Latest MPESB Lab Assistant Exam Question (Objective Questions), MCQ in English
Subjects : General Knowledge, General Hindi, General English, General Mathematics, General Reasoning Ability, General Science, General Computer Knowledge, Lab Assistant
Kurukshetra a journal on rural development is published by
A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 3Single Answer
Devaluation of a currency means
A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market
Question 4Single Answer
In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry
A
1 and 3
B
2 and 3
C
1 and 2
D
1,2 and 3
Question 5Single Answer
Which of the following programmes aims at the promotion of savings among rural women
A
Rashtriya Mahila Kosh
B
Indira Mahila Yojna
C
Jawahar Rozgar Yojna
D
Mahila Samridhi Yojna
Question 6Single Answer
What is Net National Product
A
the money value of final goods and services produced annually in the economy
B
the money value of annual service generation in the economy
C
the money value of tangible goods produced annually in the economy
D
The money value of tangible goods available in the economy
Question 7Single Answer
National income is the
A
net national product at market price
B
net national product at factor cost
C
net domestic product at market price
D
net domestic product at factor cost
Question 8Single Answer
Chelliah Committee of 1992 deals with the overhauling of our
A
financial system
B
tax system
C
patents and copyrights
D
Public sector undertakings
Question 9Single Answer
When was the Constituent Assembly of India formed?
A
1946
B
1947
C
1948
D
1950
Question 10Single Answer
Which ancient city in Madhya Pradesh was a significant cultural and political center during the Maurya and Gupta periods?
A
Indore
B
Bhopal
C
Ujjain
D
Gwalior
Question 11Single Answer
The Parmar dynasty was primarily associated with which region of Madhya Pradesh?
A
Bundelkhand
B
Malwa
C
Baghelkhand
D
Mahakoshal
Question 12Single Answer
The famous temples of Khajuraho were built by which dynasty?
A
Parmar
B
Gupta
C
Chandela
D
Maurya
Question 13Single Answer
What astronomical discovery was announced by astronomers in March 2026?
A
New planet in solar system
B
Discovery related to 1,900 light-years away (specific object)
C
Black hole merger
D
Exoplanet with life signs
Question 14Single Answer
On what date in March 2026 did Prime Minister Narendra Modi become India’s longest-serving head of government?
A
15 March
B
20 March
C
22 March
D
25 March
Question 15Single Answer
What major infrastructure project was inaugurated by PM Narendra Modi on 28 March 2026?
A
Mumbai Trans Harbour Link
B
Atal Tunnel
C
Noida International Airport
D
Chenab Bridge
General Hindi
Question 16Single Answer
शुद्ध वर्तनी का चयन कीजिए
A
अधम्र
B
अध्रम
C
अधर्म
D
अध्रिम
Question 17Single Answer
शुद्ध वर्तनी का चयन कीजिए
A
स्थायि
B
स्थायी
C
स्थाई
D
स्थाइ
Question 18Single Answer
वर्तनी की दृष्टि से सही शब्द है?
A
महत्व
B
महतव
C
महत्तव
D
महतत्व
Question 19Single Answer
निम्नलिखित में से शुद्ध छांटिए?
A
आयुष्मान
B
आयुश्मान
C
आयुशमान
D
आयुश्यमान
Question 20Single Answer
शुद्ध शब्द नहीं हैं?
A
कवियत्री
B
कौसल्या
C
एश्वर्य
D
श्रृंगार
Question 21Single Answer
शुद्ध वर्तनी है -
A
पूज
B
पुजय
C
पूज्य
D
पुज्य
Question 22Single Answer
शुद्ध वर्तनी है -
A
अनुसरण
B
अनूशरणन
C
अनुशरण
D
अणुशर
Question 23Single Answer
किस क्रमांक में सभी शुद्ध हैं?
A
एक्य,साप्ताहिक
B
आजीविका,आशीर्वाद
C
आर्शिवाद ,अनूकूल
D
निरिक्षण ,कृपालु
Question 24Single Answer
'उज्वल' शब्द का शुद्ध रूप है ?
A
उज्जव
B
उज्ज्ल
C
उज्ज्वल
D
उजवल
Question 25Single Answer
निम्नलिखित प्रश्न में चार वैकल्पिक वर्तनियाॅ दी गई है?
A
जागृत
B
जाग्रति
C
जाग्रित
D
जाग्रत
Question 26Single Answer
निम्नलिखित प्रश्न में चार वैकल्पिक वर्तनियाॅ दी गई है?
A
उन्नति
B
उनति
C
उन्ती
D
उनती
Question 27Single Answer
निम्नलिखित प्रश्न मे चार वैकल्पिक वर्तनियाॅ दी गई है?
A
अनुशहरण
B
अनोसरण
C
अनुसरन
D
अनुसरण
Question 28Single Answer
'पृथ्वीराज रासो' किस काल की रचना है ?
A
आदिकाल
B
रीतिकाल
C
भक्तिकाल
D
आधुनिक काल
Question 29Single Answer
हिन्दी की उत्पत्ति किस भाषा से हुई है?
A
प्राकृत
B
संस्कृत
C
शौरसैनी अपभ्रंश
D
मागधी
Question 30Single Answer
राजभाषा आयोग के प्रथम अध्यक्ष थे ?
A
बी. जी. खरे
B
राजा लक्ष्मण सिंह
C
प्रताप नारायण मिश्र
D
इंशाअल्ला खा
General English
Question 31Single Answer
I go to Madurai by —– Vaigai Express
A
a
B
an
C
some
D
the
Question 32Single Answer
Have the car stolen!
A
Steal the car
B
You should have the stolen car
C
Get someone to steal the car
D
They have stolen the car
Question 33Single Answer
The payment was collected by the hardworking salesman.
A
The hardworking salesman collected the payment.
B
the salesman who worked heard was able to collect the payment.
C
to collect the payment the salesman had to work hard.
D
The hardworking salesman was able to collect the payment.
Question 34Single Answer
I had to stop all my work to complete this project.
A
All other work had to be stopped to complete this project by me
B
For completing this project all other work must be stopped
C
For completing this project I had to stop all my work
D
To complete this project all other work had been stopped by me
Question 35Single Answer
They have published the names of all the successful candidates.
A
The candidates who have succeeded their names they had published.
B
The names of all the successful candidates have been published by them
C
The candidates who have succeeded their names have been published by them.
D
The names of all the successful candidate were published by them.
Question 36Single Answer
The online shopping site lowered the prices.
A
Lowering of the prices was done by the online shopping site
B
The prices were lowered by the online shopping site
C
The prices had been lowered by the online shopping site
D
The prices have been lowered by the online shopping site
Question 37Single Answer
Passage :
Direction : Question below has two blanks, each blank indicting that some thing has been omitted. Choose the word for each blank which best fits the meaning of the sentence as a whole.
The Finance Department has ……………a centralized online databank system for all statutory government bodies to …………an eye on their assets and liabilities.
A
presented , stay
B
introduced , keep
C
announce , make
D
created , let
E
proclaimed , hold
Question 38Single Answer
Passage :
Direction : The five items in this section consists of a word or group of words followed by four words as (a), (b), (c) and (d). Select the word which is nearly opposite to the meaning of the original word or group of words and mark your response as (a), (b), (c) and (d), as the case may be, in your Answer Sheet.
Assets
A
liabilities
B
responsibilities
C
estates
D
profits
Question 39Single Answer
Passage :
Direction : In the question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Affidavit
A
Affirmation
B
Slander
C
Oath
D
Testimony
Question 40Single Answer
Passage :
Direction: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Hollow
A
Alveolate
B
Cleft
C
Cavernous
D
Solid
Question 41Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Cosset
A
Ignoreb
B
Close
C
Caress
D
Fondle
Question 42Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Ogle
A
Leer
B
Gaze
C
Ignore
D
Gawk
Question 43Single Answer
Passage :
Directions:In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Intrinsic
A
Elemental
B
Innate
C
Connate
D
Acquired
Question 44Single Answer
Passage :
Direction : In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Coalesce
A
Separate
B
Adhere
C
Cleave
D
Amalgamate
Question 45Single Answer
Passage :
Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it
Loiter
A
lag
B
Hasten
C
Amble
D
Loii
General Mathematics
Question 46Single Answer
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
A
51:52
B
52:53
C
51:53
D
52:55
Question 47Single Answer
Which of the following numbers is irrational ?
A
√49
B
0.125
C
√2
D
22/7
Question 48Single Answer
356 x 936 – 356 x 836 = ?
A
35600
B
34500
C
9630
D
93600
Question 49Single Answer
Arrange in descending order: 5/8, 7/10, 3/4
A
3/4 > 7/10 > 5/8
B
7/10 > 3/4 > 5/8
C
3/4 > 5/8 > 7/10
D
5/8 > 7/10 > 3/4
Question 50Single Answer
What is (3^{4} times 9^{2}) ?
A
36
B
38
C
310
D
96
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General Mathematics
Question 51Single Answer
If 34X-2 = 729, then find the value of X.
A
4
B
3
C
2
D
5
Question 52Single Answer
Convert 0.6 into fraction ?
A
3/5
B
2/3
C
4/5
Question 53Single Answer
The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?
A
169
B
36
C
196
D
Can not say
Question 54Single Answer
If a and b are positive integers, such that ab = 125, then (a-b)a+b-4 = ?
A
16
B
25
C
28
D
30
Question 55Single Answer
If x*y = x2 + y2 – xy, then value of 9*11 is
A
93
B
103
C
60.5
D
121
Question 56Single Answer
Which is greater ?
A
15/16
B
17/18
C
Equal
D
Cannot compare
Question 57Single Answer
If sum of two numbers is 42 and their product is 437, then find their difference.
A
3
B
4
C
5
D
7
Question 58Single Answer
Write the 44000 in Roman numerals
A
XLI
B
XLVI
C
XLIV
D
XLVIC
Question 59Single Answer
Convert 0.0909… into fraction ?
A
1/11
B
9/11
C
1/9
D
9/10
Question 60Single Answer
What is (98 times 102) ?
A
9996
B
10000
C
10096
D
10196
General Reasoning Ability
Question 61Single Answer
How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?
A
Two
B
Three
C
Five
D
Four
E
None of these
Question 62Single Answer
Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is
A
True
B
False
C
Uncertain
D
None
Question 63Single Answer
If it is possible to make only one meaningful word with the second, the third, the sixth and the eight letters of the word FRAGMENT using each only once, which of the following will be the third letter of that word ? If no such word can be formed, give ‘X’ as the answer and if more than one such word can be formed, give ‘Y’ as the answer.
A
A
B
E
C
T
D
X
E
Y
Question 64Single Answer
How many such letters are there in the word ORIENTAL each of which is as far away from the beginning of the word as when they are arranged alphabetically?
A
None
B
One
C
Two
D
Three
E
More than three
Question 65Single Answer
How many such pairs of letters in the word CREDIT each of which has as many letters between them in the word as in the English alphabet?
A
None
B
One
C
Two
D
Three
E
More than three
Question 66Single Answer
How many meaningful words can be made from the letters ‘LMEA’ using each letter only once in each word?
A
None
B
One
C
Two
D
Three
E
More than three
Question 67Single Answer
Passage :
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z .
Which letter in this alphabet is the eighth letter to the right of the letter and which is tenth letter to the left of the last but one letter of the alphabet ?
A
X
B
W
C
I
D
H
Question 68Single Answer
Passage :
Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If the third alphabet of each of the words is changed to the next alphabet in the English alphabetical series, which of the following will form a meaningful English word?
A
SUM
B
BIG
C
Both BIG and THE
D
FOR
E
Both FOR and BIG
Question 69Single Answer
Passage :
Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be second from the right ?
A
AND
B
FOR
C
THE
D
BIG
E
SUM
Question 70Single Answer
Passage :
Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed ?
A
None
B
One
C
Two
D
Three
E
Four
Question 71Single Answer
Passage :
Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
How many letters are there in the English alphabetical series between the second letter of the word which is second from the right and the second letter of the word which is second from the left of the given words?
A
Two
B
Five
C
Six
D
Nine
E
Three
Question 72Single Answer
Passage :
Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If in each of the given words, each of the consonant is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will no vowels appear?
A
None
B
One
C
Two
D
Three
E
More than three
Question 73Single Answer
Passage :
Direction : Following question is based on five words given below: BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)
If the third alphabet in each of the words is changed to the next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed?
A
None
B
One
C
Two
D
Three
E
Four
Question 74Single Answer
Passage :
Direction : Following question is based on five words given below: BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)
If the position of the first and the second alphabets of each of the words are interchanged, which of the following will form a meaningful English word?
A
Both CAT and OWN
B
Both BRU and INK
C
Only CAT
D
Only INK
E
Only LEG
Question 75Single Answer
Passage :
Direction: Following question is based on five words given below: BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)
If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be exactly in the middle of the five words?
A
OWN
B
LEG
C
BRU
D
CAT
E
INK
General Science
Question 76Single Answer
Temperature can be expressed as derived quantity in terms of
A
length and mass
B
mass and time
C
length, mass and time
D
None of these
Question 77Single Answer
Electron volt is a unit of
A
potential difference
B
charge
C
energy
D
capacity
Question 78Single Answer
Dimensions of impulse are
A
[MLT –1]
B
[MLT²]
C
[MT–2]
D
[ML–1T–3]
Question 79Single Answer
Potential is measured in
A
joule/coulomb
B
watt/coulomb
C
newton–second
D
None of these
Question 80Single Answer
One Nanometer is equal to
A
10–9m
B
10–6m
C
10–10m
D
10–3m
Question 81Single Answer
Which of the following is not a synthetic fibre:
A
Anygora
B
Rayon
C
Nylon
D
Polyster
Question 82Single Answer
Which one of the following is not contained in Portland cement ?
A
Ca3Al2O6
B
Ca3SiO5
C
Ca2SiO4
D
Ca3(PO4)2
Question 83Single Answer
What is the reson for white cement to be white ?
A
It does not contain carbon
B
It does not contain silicon
C
It does not contain iron
D
It does not contain calcium
Question 84Single Answer
Which fertilizer is assimilated directly by the plant ?
A
Super phosphate
B
Nitrolim
C
Muriate of Potash
D
Humus
Question 85Single Answer
Which of the following chemicals is used in foam fire extinguishers ?
A
Aluminium sulphate
B
Copper sulphate
C
Cobalt sulphate
D
Nickel sulphate
Question 86Single Answer
Which of the following contain enzymes for cellular respiration ?
A
Dictyosomes
B
Endoplasmic reticulum
C
lysosomes
D
Mitochondria
Question 87Single Answer
Which one among the following nutrients is a strctural
A
Cell membrane
B
Plasma membrane
C
Cell wall
D
Nucleus
Question 88Single Answer
Which one among the following nutrients is a structural component of the cell wall of plants ?
A
Manganese
B
Potassium
C
Phosphorus
D
Calcium
Question 89Single Answer
Which of the following groups is present in animal cells ?
A
Mitochondria, Cell membrane, Cell wall, Cytoplasm
B
Chloroplasts, Cytoplasm, Vacuole, Nucleus
C
Nucleus, Cell membrane, Mitochondria, Cytoplasm
D
Vacuole, cell membrane, Nucleus, Mitochondria
Question 90Single Answer
For which among the following is not a true fruit ?
A
Apple
B
Date
C
Grape
D
Plum
General Computer Knowledge
Question 91Single Answer
Which Windows interface element typically appears to display information, a warning, an error message, or a request for confirmation?
A
Window
B
Pop-up menu
C
Message box
D
Taskbar
Question 92Single Answer
What is active desktop ?
A
a term that is synonymous with viewing your desktop as web page
B
a feature to customize your desktop to display informating you can update from the internet
C
both a and b above mentioned
D
A software
E
None of these
Question 93Single Answer
What is meant by an active window?
A
A window that is minimized
B
The window currently receiving user input
C
Any window currently open
D
The window opened first
Question 94Single Answer
What was America Online (AOL) primarily known for during the early popularization of consumer Internet access?
A
An online service providing Internet access and proprietary online content
B
A computer operating system
C
A spreadsheet application
D
A database management system
Question 95Single Answer
An application is
A
word processing, accounting and engineering programs are example of application programs
B
computer program designed to enable users to perform specific job functions
C
Both a and b above mentioned
D
a document
E
None of these
Question 96Single Answer
Which of the following programs enables you to calculate numbers related to rows and columns?
A
Window program
B
Spreadsheet program
C
Graphics program
D
Word program
E
None of these
Question 97Single Answer
The term Briefcase is used for
A
a special folder on the windows desktop used to keep documents up to date when shared between computers
B
a window that us currently open
C
A folder which keeps deleted, files for a while and can be retrieved from it
D
All of the above
E
None of these
Question 98Single Answer
In a graphical user interface, what is a button primarily used for?
A
Executing a command or initiating an action
B
Permanently storing data
C
Displaying the computer's IP address
D
Formatting a disk automatically
Question 99Single Answer
A channel (in windows terminology) is
A
a widely used online service that offers access to the internet
B
a specialized web site designed to work with the windows 98 subscribing feature to automatically download information from the internet and store it on your computer for later viewing
C
an area on the computer memory where text or graphics can be temporarily stored
D
All of the above
E
None of these
Question 100Single Answer
What does a checked checkbox generally indicate in a graphical user interface?
A
The associated option is enabled or selected
B
The application has closed
C
The file has been deleted
D
The computer is offline
Lab Assistant
Question 101Single Answer
Which cellular organelle is primarily responsible for the modification and packaging of proteins for secretion?
A
Rough endoplasmic reticulum
B
Golgi apparatus
C
Mitochondria
D
Lysosomes
Question 102Single Answer
The primary function of gap junctions in epithelial tissue is to:
A
Anchor cells to the extracellular matrix
B
Facilitate communication via ion and molecule exchange
C
Provide structural support to the tissue
D
Synthesize extracellular proteins
Question 103Single Answer
Which type of epithelial tissue is found in the laryngopharynx?
A
Simple squamous epithelium
B
Nonkeratinized stratified squamous epithelium
C
Pseudostratified columnar epithelium
D
Transitional epithelium
Question 104Single Answer
The ground substance in connective tissue primarily consists of:
A
Glycosaminoglycans and proteoglycans
B
Collagen fibers and elastic fibers
C
Reticular fibers and fibroblasts
D
Adipocytes and macrophages
Question 105Single Answer
Which type of cartilage is characterized by a dense network of elastic fibers and is found in the external ear?
A
Hyaline cartilage
B
Fibrocartilage
C
Elastic cartilage
D
Calcified cartilage
Question 106Single Answer
The process by which osteoblasts become osteocytes is known as:
A
Entrapment in lacunae
B
Osteogenesis
C
Ossification
D
Mineralization
Question 107Single Answer
Which ion is critical for the release of neurotransmitters at the synaptic cleft?
A
Sodium
B
Potassium
C
Calcium
D
Chloride
Question 108Single Answer
The glycocalyx on the surface of cells primarily functions to:
A
Regulate ion transport
B
Synthesize ATP
C
Facilitate cell-to-cell adhesion
D
Protect the cell membrane from enzymatic degradation
Question 109Single Answer
The primary source of energy for cardiac muscle cells during prolonged activity is:
A
Glucose metabolism
B
Glycogenolysis
C
Amino acid breakdown
D
Fatty acid oxidation
Question 110Single Answer
Which cellular junction is responsible for preventing leakage between adjacent epithelial cells in the small intestine?
A
Tight junctions
B
Desmosomes
C
Gap junctions
D
Adherens junctions
Question 111Single Answer
The process of programmed cell death is regulated by:
A
Actin and myosin filaments
B
Caspases and Bcl-2 proteins
C
Sodium-potassium pumps
D
Glycolipids and glycoproteins
Question 112Single Answer
Which type of connective tissue is characterized by a liquid matrix?
A
Adipose tissue
B
Dense regular connective tissue
C
Blood
D
Cartilage
Question 113Single Answer
The primary function of microtubules in a cell is to:
A
Synthesize proteins
B
Store genetic information
C
Facilitate intracellular transport and maintain cell shape
D
Produce ATP
Question 114Single Answer
Which tissue type contains fibroblasts, chondroblasts, and osteoblasts?
A
Connective tissue
B
Epithelial tissue
C
Muscle tissue
D
Nervous tissue
Question 115Single Answer
Which organelle is responsible for detoxifying harmful substances in hepatocytes?
A
Smooth endoplasmic reticulum
B
Rough endoplasmic reticulum
C
Peroxisomes
D
Lysosomes
Question 116Single Answer
The primary component of the extracellular matrix in bone tissue is:
A
Keratin
B
Elastin
C
Collagen type I
D
Reticular fibers
Question 117Single Answer
Which type of epithelial tissue is specialized for stretching, as found in the urinary bladder?
A
Transitional epithelium
B
Stratified squamous epithelium
C
Simple squamous epithelium
D
Pseudostratified columnar epithelium
Question 118Single Answer
The process of facilitated diffusion across a cell membrane requires:
A
Protein carriers or channels
B
Direct ATP hydrolysis
C
A lipid-soluble molecule
D
An impermeable membrane
Question 119Single Answer
Which type of muscle tissue contains intercalated discs?
A
Skeletal muscle
B
Smooth muscle
C
Cardiac muscle
D
Visceral muscle
Question 120Single Answer
The primary function of the centrosome in a cell is to:
A
Organize microtubules during cell division
B
Synthesize ribosomal RNA
C
Degrade waste materials
D
Produce ATP
Question 121Single Answer
Which tissue type is avascular and relies on diffusion for nutrient supply?
A
Epithelial tissue
B
Muscle tissue
C
Connective tissue
D
Nervous tissue
Question 122Single Answer
The process of pinocytosis involves:
A
Engulfing large particles by the cell
B
Transport of ions against their gradient
C
Release of cellular waste products
D
Uptake of extracellular fluid and solutes
Question 123Single Answer
Which type of connective tissue is found in lymph nodes and contains reticular fibers?
A
Dense irregular connective tissue
B
Adipose tissue
C
Reticular connective tissue
D
Hyaline cartilage
Question 124Single Answer
The resting membrane potential of a neuron is primarily maintained by:
A
The uptake of glucose
B
The influx of calcium ions
C
The efflux of chloride ions
D
The leakage of potassium ions
Question 125Single Answer
Which organelle is responsible for synthesizing ribosomal RNA?
A
Nucleolus
B
Rough endoplasmic reticulum
C
Golgi apparatus
D
Mitochondria
Question 126Single Answer
The primary function of desmosomes in epithelial tissue is to:
A
Anchor cells to each other
B
Facilitate ion exchange
C
Prevent leakage between cells
D
Synthesize extracellular matrix
Question 127Single Answer
The process of transcription in a cell involves:
A
Degradation of RNA
B
Translation of mRNA into proteins
C
Replication of DNA
D
Synthesis of mRNA from a DNA template
Question 128Single Answer
The tunica media of blood vessels primarily consists of:
A
Smooth muscle and elastic fibers
B
Collagen fibers and fibroblasts
C
Endothelial cells and basement membrane
D
Adipocytes and macrophages
Question 129Single Answer
The "lub" sound in the cardiac cycle is caused by:
A
Turbulence in the ventricles
B
Closure of the semilunar valves
C
Closure of the atrioventricular valves
D
Opening of the aortic valve
Question 130Single Answer
The QRS complex in an ECG represents:
A
Ventricular repolarization
B
Atrial depolarization
C
Ventricular depolarization
D
Atrial repolarization
Question 131Single Answer
The primary factor affecting stroke volume is:
A
Preload
B
Afterload
C
Heart rate
D
Blood viscosity
Question 132Single Answer
The diameter of capillaries is approximately:
A
5–10 µm
B
18–20 µm
C
30–50 µm
D
100 µm
Question 133Single Answer
The primary function of precapillary sphincters is to:
A
Prevent backflow of blood
B
Regulate blood flow into capillary beds
C
Synthesize clotting factors
D
Facilitate lymph drainage
Question 134Single Answer
The condition caused by complete loss of blood is termed:
A
Thrombosis
B
Ischemia
C
Infarction
D
Exsanguination
Question 135Single Answer
The T wave in an ECG represents:
A
Atrial repolarization
B
Atrial depolarization
C
Ventricular depolarization
D
Ventricular repolarization
Question 136Single Answer
The tunica externa of blood vessels is primarily composed of:
A
Smooth muscle cells
B
Collagen and elastic fibers
C
Endothelial cells
D
Reticular fibers
Question 137Single Answer
The normal duration of the QT interval in an ECG is:
A
0.40–0.43 seconds
B
0.12–0.20 seconds
C
0.08–0.10 seconds
D
0.32 seconds
Question 138Single Answer
The primary pacemaker of the heart is the:
A
Bundle of His
B
Atrioventricular (AV) node
C
Purkinje fibers
D
Sinoatrial (SA) node
Question 139Single Answer
The condition of hypertension is characterized by a systolic blood pressure of:
A
140–159 mmHg or higher
B
120–139 mmHg
C
90–110 mmHg
D
80–90 mmHg
Question 140Single Answer
The second heart sound ("dub") is caused by:
A
Closure of the semilunar valves
B
Closure of the atrioventricular valves
C
Turbulence in the atria
D
Opening of the pulmonary valve
Question 141Single Answer
The primary function of the coronary arteries is to:
A
Supply blood to the heart muscle
B
Drain deoxygenated blood from the heart
C
Regulate systemic blood pressure
D
Facilitate lymph circulation
Question 142Single Answer
The cardiac output is calculated as:
A
Stroke volume × Heart rate
B
Blood pressure × Stroke volume
C
Heart rate × Blood volume
D
Stroke volume ÷ Heart rate
Question 143Single Answer
The end-diastolic volume is primarily influenced by:
A
Heart rate
B
Arterial pressure
C
Venous return
D
Blood viscosity
Question 144Single Answer
The primary function of the chordae tendineae is to:
A
Prevent eversion of the atrioventricular valves
B
Anchor the semilunar valves
C
Regulate blood flow into the aorta
D
Facilitate ventricular contraction
Question 145Single Answer
The condition caused by a blood clot obstructing a vessel is termed:
A
Embolism
B
Thrombosis
C
Aneurysm
D
Infarction
Question 146Single Answer
The intrinsic conduction system of the heart includes:
A
Aorta and pulmonary veins
B
Coronary arteries and veins
C
Chordae tendineae and papillary muscles
D
SA node, AV node, and Purkinje fibers
Question 147Single Answer
The primary source of energy for cardiac muscle contraction is:
A
Glucose from glycolysis
B
ATP from oxidative phosphorylation
C
Amino acids from protein breakdown
D
Glycogen from glycogenolysis
Question 148Single Answer
The P wave in an ECG represents:
A
Ventricular depolarization
B
Atrial depolarization
C
Atrial repolarization
D
Ventricular repolarization
Question 149Single Answer
The primary function of the pericardium is to:
A
Regulate blood flow into the heart
B
Protect and anchor the heart
C
Synthesize clotting factors
D
Facilitate lymph drainage
Question 150Single Answer
The condition of hemophilia B is caused by a deficiency in:
A
Clotting factor IX
B
Clotting factor VIII
C
Platelets
D
Fibrinogen
Question 151Single Answer
The primary function of the pulmonary veins is to:
A
Regulate blood pressure in the lungs
B
Carry deoxygenated blood to the lungs
C
Carry oxygenated blood to the left atrium
D
Facilitate gas exchange in the alveoli
Question 152Single Answer
The Frank-Starling mechanism describes:
A
Increased stroke volume with increased preload
B
Decreased heart rate with increased afterload
C
Increased blood pressure with decreased venous return
D
Decreased cardiac output with increased preload
Question 153Single Answer
The primary function of the aortic valve is to:
A
Facilitate atrial contraction
B
Regulate blood flow into the pulmonary artery
C
Anchor the chordae tendineae
D
Prevent backflow from the aorta to the left ventricle
Question 154Single Answer
The condition of an aneurysm is characterized by:
A
Excessive bleeding from a vessel
B
A blood clot obstructing a vessel
C
Tissue death due to lack of blood supply
D
A weakened blood vessel wall
Question 155Single Answer
The primary function of the Purkinje fibers is to:
A
Conduct electrical impulses to the ventricles
B
Regulate atrial contraction
C
Synthesize clotting factors
D
Facilitate lymph drainage
Question 156Single Answer
The normal blood pressure in an elderly individual is approximately:
A
140–150/90–100 mmHg
B
90–110/60–80 mmHg
C
120–130/80–85 mmHg
D
160–180/100–110 mmHg
Question 157Single Answer
The primary function of the lymphatic system in relation to the cardiovascular system is to:
A
Return interstitial fluid to the bloodstream
B
Synthesize red blood cells
C
Regulate blood pressure
D
Facilitate gas exchange
Question 158Single Answer
The condition of infarction is caused by:
A
Excessive bleeding from a vessel
B
A weakened blood vessel wall
C
A blood clot obstructing a vessel
D
Tissue death due to lack of blood supply
Question 159Single Answer
The primary function of the sinoatrial node is to:
A
Initiate the cardiac cycle
B
Regulate blood flow into the ventricles
C
Synthesize clotting factors
D
Facilitate lymph drainage
Question 160Single Answer
The voltage generated by the T wave in an ECG is approximately:
A
2.0–3.0 mV
B
0.5–1.0 mV
C
1.0–1.5 mV
D
0.1–0.3 mV
Question 161Single Answer
The primary function of the endocardium is to:
A
Regulate blood flow into the aorta
B
Anchor the heart to surrounding structures
C
Line the inner surface of the heart
D
Synthesize clotting factors
Question 162Single Answer
The condition of ischemia is characterized by:
A
A weakened blood vessel wall
B
Complete loss of blood
C
Reduced blood flow to a tissue
D
Excessive bleeding from a vessel
Question 163Single Answer
The primary function of the bundle of His is to:
A
Conduct impulses from the AV node to the ventricles
B
Initiate atrial contraction
C
Regulate blood pressure
D
Facilitate lymph drainage
Question 164Single Answer
The primary function of the coronary sinus is to:
A
Facilitate gas exchange in the lungs
B
Supply oxygenated blood to the heart
C
Regulate blood flow into the aorta
D
Drain deoxygenated blood from the heart muscle
Question 165Single Answer
The condition of murmurs in the heart is caused by:
A
Normal ventricular contraction
B
Closure of the semilunar valves
C
Opening of the atrioventricular valves
D
Turbulent blood flow
Question 166Single Answer
The primary function of the pulmonary artery is to:
A
Facilitate lymph drainage
B
Carry oxygenated blood to the left atrium
C
Regulate blood pressure in the lungs
D
Carry deoxygenated blood to the lungs
Question 167Single Answer
The primary factor regulating cardiac output is:
A
Lymph flow and capillary filtration
B
Blood viscosity and arterial pressure
C
Venous return and blood volume
D
Heart rate and stroke volume
Question 168Single Answer
Which type of joint allows movement around one axis only?
A
Ball-and-socket joint
B
Hinge joint
C
Gliding joint
D
Saddle joint
Question 169Single Answer
The primary component of the sarcomere responsible for muscle contraction is:
A
Sarcoplasmic reticulum
B
Collagen and elastin fibers
C
Actin and myosin filaments
D
T-tubules
Question 170Single Answer
The primary function of the epimysium is to:
A
Surround the entire skeletal muscle
B
Anchor muscle fibers to bones
C
Regulate calcium release
D
Facilitate nerve impulse transmission
Question 171Single Answer
Which bone is part of the axial skeleton?
A
Femur
B
Humerus
C
Vertebral column
D
Scapula
Question 172Single Answer
The process of muscle contraction is initiated by:
A
Breakdown of glucose in the mitochondria
B
Release of calcium from the sarcoplasmic reticulum
C
Synthesis of collagen in the extracellular matrix
D
Release of sodium from the T-tubules
Question 173Single Answer
The primary function of the periosteum is to:
A
Facilitate nerve impulse transmission
B
Synthesize bone marrow
C
Regulate calcium storage
D
Provide attachment for tendons and ligaments
Question 174Single Answer
Which type of joint is found between the tarsal bones?
A
Pivot joint
B
Hinge joint
C
Ball-and-socket joint
D
Gliding joint
Question 175Single Answer
The primary source of ATP for muscle contraction during short bursts of activity is:
A
Creatine phosphate
B
Oxidative phosphorylation
C
Glycolysis
D
Fatty acid oxidation
Question 176Single Answer
The primary function of the osteoclasts is to:
A
Synthesize bone matrix
B
Resorb bone tissue
C
Store calcium in the bone
D
Facilitate nerve impulse transmission
Question 177Single Answer
The sliding filament theory explains:
A
The shortening of sarcomeres during muscle contraction
B
The synthesis of collagen in bones
C
The release of calcium from bones
D
The transmission of nerve impulses
Question 178Single Answer
The primary function of the synovial fluid in joints is to:
A
Lubricate and reduce friction
B
Synthesize cartilage
C
Regulate blood flow to the joint
D
Facilitate nerve impulse transmission
Question 179Single Answer
Which bone is part of the appendicular skeleton?
A
Sternum
B
Humerus
C
Ribs
D
Vertebrae
Question 180Single Answer
The primary function of the sarcoplasmic reticulum in muscle cells is to:
A
Store and release calcium ions
B
Synthesize ATP
C
Anchor actin filaments
D
Facilitate nerve impulse transmission
Question 181Single Answer
The primary function of the perimysium is to:
A
Regulate calcium release
B
Anchor muscles to bones
C
Surround bundles of muscle fibers
D
Facilitate nerve impulse transmission
Question 182Single Answer
Which type of joint allows for the greatest range of motion?
A
Ball-and-socket joint
B
Hinge joint
C
Gliding joint
D
Pivot joint
Question 183Single Answer
The primary function of the neuromuscular junction is to:
A
Store calcium in muscle cells
B
Synthesize ATP for muscle contraction
C
Transmit nerve impulses to muscle fibers
D
Anchor muscles to bones
Question 184Single Answer
The primary component of bone matrix is:
A
Reticular fibers
B
Collagen type II
C
Elastin
D
Hydroxyapatite
Question 185Single Answer
The primary function of the T-tubules in muscle cells is to:
A
Conduct action potentials into the cell interior
B
Store ATP for contraction
C
Anchor actin filaments
D
Synthesize myosin proteins
Question 186Single Answer
The primary function of the osteocytes is to:
A
Resorb bone tissue
B
Maintain bone matrix
C
Synthesize bone marrow
D
Facilitate nerve impulse transmission
Question 187Single Answer
The primary function of the endomysium is to:
A
Surround individual muscle fibers
B
Anchor muscles to bones
C
Regulate calcium release
D
Facilitate nerve impulse transmission
Question 188Single Answer
Which type of muscle is responsible for peristalsis in the digestive tract?
A
Cardiac muscle
B
Skeletal muscle
C
Smooth muscle
D
Striated muscle
Question 189Single Answer
The primary function of the diaphysis in long bones is to:
A
Store calcium
B
Produce red blood cells
C
Provide structural support
D
Facilitate joint movement
Question 190Single Answer
The primary neurotransmitter at the neuromuscular junction is:
A
Dopamine
B
Acetylcholine
C
Serotonin
D
GABA
Question 191Single Answer
The primary function of the epiphyseal plate is to:
A
Facilitate bone growth in length
B
Synthesize bone marrow
C
Anchor tendons to bones
D
Regulate calcium storage
Question 192Single Answer
The primary function of the myofibrils in muscle cells is to:
A
Store ATP
B
Facilitate muscle contraction
C
Synthesize actin proteins
D
Regulate calcium release
Question 193Single Answer
The primary function of the articular cartilage is to:
A
Synthesize bone marrow
B
Reduce friction in joints
C
Anchor tendons to bones
D
Facilitate nerve impulse transmission
Question 194Single Answer
The primary function of the motor unit is to:
A
Store calcium
B
Synthesize ATP
C
Coordinate muscle contraction
D
Anchor muscles to bones
Question 195Single Answer
The primary function of the compact bone is to:
A
Produce red blood cells
B
Provide structural strength
C
Store calcium
D
Facilitate joint movement
Question 196Single Answer
The primary function of the troponin complex in muscle contraction is to:
A
Anchor actin filaments
B
Synthesize ATP
C
Bind calcium to initiate contraction
D
Facilitate nerve impulse transmission
Question 197Single Answer
The primary function of the spongy bone is to:
A
Facilitate nerve impulse transmission
B
Provide structural strength
C
Anchor tendons to bones
D
House bone marrow and reduce bone weight
Question 198Single Answer
Which type of joint is found in the elbow?
A
Saddle joint
B
Ball-and-socket joint
C
Gliding joint
D
Hinge joint
Question 199Single Answer
The primary function of the sarcolemma is to:
A
Anchor muscles to bones
B
Store calcium ions
C
Synthesize actin proteins
D
Enclose the muscle fiber and conduct action potentials
