கேள்வி 6: பின்வரும் வாக்கியத்தில் உள்ள பெயரடையைக் கண்டறியவும்:
அழகான மலர்கள் பூத்திருக்கின்றன.
A
அழகான
B
மலர்கள்
C
பூத்திருக்கின்றன
D
இவற்றில் எதுவுமில்லை
Question 27Single Answer
பின்வரும் வாக்கியத்தில் உள்ள பெயரடையின் வகையைக் கண்டறியவும்:
A
தரம் குறிக்கும் பெயரடை
B
தன்மை குறிக்கும் பெயரடை
C
எண்ணிக்கை குறிக்கும் பெயரடை
D
இவற்றில் எதுவுமில்லை
Question 28Single Answer
பின்வரும் வாக்கியத்தில் உள்ள பெயரடையை உருவாக்கப்பட்ட விதத்தைக் கண்டறியவும்:
தங்கத்தாலான நகை.
A
மூலப்பெயரிலிருந்து உருவாக்கப்பட்ட பெயரடை
B
வினைச்சொல்லிலிருந்து உருவாக்கப்பட்ட பெயரடை
C
பிற பெயரடைகளிலிருந்து உருவாக்கப்பட்ட பெயரடை
D
இவற்றில் எதுவுமில்லை
Question 29Single Answer
வினைச்சொல்லின் காலத்தைக் குறிப்பிடும் சொல் எது ?
A
காலம்
B
வினைப்பகுதி
C
எச்சம்
D
இவற்றில் எதுவுமில்லை
Question 30Single Answer
தமிழில் எத்தனை காலங்கள் உள்ளன ?
A
மூன்று
B
நான்கு
C
ஐந்து
D
ஆறு
Botany
Question 31Single Answer
Which of the following contain enzymes for cellular respiration ?
A
Dictyosomes
B
Endoplasmic reticulum
C
lysosomes
D
Mitochondria
Question 32Single Answer
Which one among the following nutrients is a strctural
A
Cell membrane
B
Plasma membrane
C
Cell wall
D
Nucleus
Question 33Single 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 34Single 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 35Single Answer
For which among the following is not a true fruit ?
A
Apple
B
Date
C
Grape
D
Plum
Question 36Single Answer
Which one of the following is not a constituent of cell membrane ?
A
Cholesterol
B
Glycoplids
C
Proline
D
Phospholipids
Question 37Single Answer
The replication of DNA is a pre-requisite for a eukaryotic cell to undergo division. During the cell cycle, the DNA replicates in
A
S–phase
B
G1–phase
C
G2–phase
D
M-phase
Question 38Single Answer
During which stage of mitosis does cytokinesis usually occur in animals ?
A
Phophase
B
Metaphase
C
Anaphase
D
Telophase
Question 39Single Answer
Lysosome arises from
A
endoplasmic reticulum
B
golgi apparatus
C
nucleus
D
mitochondria
Question 40Single Answer
The correct sequence of cell cycle is
A
S, G1, G2, M
B
S, M, G1, G2
C
G1, S, G2, M
D
M, G1, G2, S
Question 41Single Answer
Biological membranes are composed of
A
40% proteins and 60% lipids
B
50% proteins and 50% lipids
C
70% proteins and 30% lipids
D
60% proteins and 40% lipids
Question 42Single Answer
F1 particles / oxysome / elementary particles are present in
A
endoplasmic reticulum
B
chloroplast
C
mitochondria
D
golgi complex
Question 43Single Answer
"Endomitosis" refers to
A
division of nucleus without chromosomal division
B
division of chromosome without nuclear division
C
division of cytoplasm
D
None of the above
Question 44Single Answer
When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be
A
hypertonic
B
isotonic
C
hypotonic
D
None of these
Question 45Single Answer
The function of nucleous is the synthesis of
A
DNA
B
m - RNA
C
r- RNA
D
t - RNA
Question 46Single Answer
Mesosome in a bacterial cell is
A
plasmid
B
connection between two cells
C
plasma membrane infolded for respiration
D
None of these
Question 47Single Answer
In living cels synthesis of ribonoucleic acid (RNA) takes place in :
A
Cytoplasm
B
Nucleus
C
Golgi body
D
Nephron
Question 48Single Answer
The cell organelle storing substances like starch, oil and proteins is
A
Vacuole
B
Lysosome
C
Plastid
D
Golgi body
Question 49Single Answer
Organisms lacking nuclear membrane and cell organelles is called as :
A
Prokaryotes
B
Eukaryotes
C
Protozoa
D
Virus
Question 50Single Answer
Cell organelles that are involved in the waste disposal system of the cell are :
A
Golgi apparatus
B
Lysosomes
C
Chromosomes
D
Ribosomes
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Botany
Question 51Single Answer
Which one of the following is an organelle that is NOT found in prokaryotic cells ?
A
Cell wall
B
Mitochondria
C
Plasma membrane
D
Ribosome
Question 52Single Answer
Which one of the following cell organelles mainly functions as storehouse of digestive enzymes ?
A
Desmosome
B
Ribosome
C
Lysosome
D
Vacuoles
Question 53Single Answer
Cell wall of any fungus is different from plant in having
A
cellulose
B
chitin
C
cholesterol
D
glycogen
Question 54Single Answer
In prokaryotic organisms, nuclear region is not surrounded by a membrane.This undefined nuclear region is known as
A
Nucleic acid
B
Nucleoid
C
Nucleolus
D
Nucleosome
Question 55Single Answer
Which one of the following functions is not carried out by smooth endoplasmic reticulum ?
A
Transport of materials
B
Synthesis of lipid
C
Synthesis of protein
D
Synthesis of steroid hormone
Question 56Single Answer
Which of the following is the cellular respiratory centre ?
A
Nucleus
B
Mitochondria
C
Ribosome
D
Golgi body
Question 57Single Answer
Which one of the following cell organelles contains DNA ?
A
Golgi apparatus
B
Mitochondrion
C
Lysosome
D
Endoplasmic reticulum
Question 58Single Answer
Movement of materials to different parts of cytoplasm and nucleus is generall carried out by
A
Ribosomes
B
Mitochondria
C
Lysosomes
D
Endoplasmic reticulum
Question 59Single Answer
In mitochondria, ATP synthesizing chemical reactions take place in the
A
Outer membrane
B
Matrix
C
Inner membrane
D
DNA of mitochondria
Question 60Single Answer
Cell wall is not present in cells of
A
Bacteria
B
Plants
C
Fungi
D
Humans
Question 61Single Answer
Which cell organelles have their own DNA and Ribosomes ?
A
Golgi body and Endoplasmic Reticulum
B
Mitochondria and Plastids
C
Lysosome and Golgi body
D
Vacuole and Plastids
Question 62Single Answer
Osmosis is the process of movement of water molecules from its
A
higher concentration to its lower concentration through a cell wall
B
lower concentration to its higher concentration through a fully permeable membrane
C
higher concentration to its lower concentration through a fully permeable membrane
D
higher concentration to its lower concentration through a semi - permeable membrane
Question 63Single Answer
Cell were first discovered by
A
Robert Hooke
B
Leeuwenhoek
C
Purkinje
D
Virchow
Question 64Single Answer
The plasma membrane is
A
permeable
B
impermeable
C
selectively permeable
D
both (a) and (b)
Question 65Single Answer
Nuclear material without cover is found in
A
mycoplasma and green algae
B
bacteria and fungi
C
bacteria and blue green algae
D
none of the above
Question 66Single Answer
The work 'prokaryote' means a cell
A
with many nuclei
B
with one nucleus
C
with diffused nucleus
D
without chloroplast
Question 67Single Answer
Minute structures on bacterial cell are called
A
hair
B
cilia
C
flagella
D
pili
Question 68Single Answer
Cell theory was proposed by
A
Schleiden and Schwann
B
Robert Brown
C
Leeuwenhoek
D
Purkinje
Question 69Single Answer
The undefined nuclear region in a bacteria is
A
nucleoid
B
nucleus
C
chromosome
D
nucleolus
Question 70Single Answer
Nucleus plays a crucial part in
A
metabolism
B
cellular reproduction
C
lipid synthesis
D
protein synthesis
Question 71Single Answer
Which of the following is not present in prokaryotes ?
A
Ribosomes
B
Cell wall
C
Plasma membrane
D
Nuclear membrane
Question 72Single Answer
Chemical nature of carrier molecules facilitating transport across plasma membrane is
A
starchy
B
sugary
C
proteinaceous
D
fatty acidic
Question 73Single Answer
ER remains associated with
A
dictyosomes
B
mitochondria
C
karyotheca
D
chloroplast
Question 74Single Answer
Vacuole is surrounded by
A
plasmalemma
B
cell wall
C
tonoplast
D
plasmodesmata
Question 75Single Answer
The organisms that lack membranes are
A
Viruses
B
Bacteria
C
protozoans
D
Fungi
Question 76Single Answer
The organelle attached to the ER is
A
ribosomes
B
lysosomes
C
golgi bodies
D
proteins
Question 77Single Answer
Golgi bodies help in
A
excertion of steroids
B
storage and secretion
C
translation
D
trnascription
Question 78Single Answer
According to fluid mosaic model plasma membrane is composed of
A
phospholipids, extrinsic and intrinsic proteins
B
phospholipids and oligosaccharides
C
phospholipids and hemicellulose
D
phospholipids and integral glycoproteins
Question 79Single Answer
The presence of .............. organelle is only revealed by electron microscope .
A
chloroplast
B
mitochondria
C
Golgi bodies
D
lysosome
Question 80Single Answer
One of these is the smallest in size
A
Ribosome
B
Lysosome
C
Mitochondria
D
Chloroplast
Question 81Single Answer
The SER helps in building the cell membrane. This process is called
A
protein synthesis
B
membrane abiogenesis
C
membrane biogenesis
D
glycogenesis
Question 82Single Answer
Golgi apparatus is involved in the formation of :
A
lysosome
B
vacuoles
C
plastids
D
mitochondria
Question 83Single Answer
DNA is a component of
A
mitochondria
B
chloroplast
C
cytoplasm
D
(a) and (b) both
Question 84Single Answer
One of these is double membrane organelle
A
lysosome
B
mitochondria
C
nucleus
D
endoplasmic reticulum
Question 85Single Answer
The cell organelle containing the flatterned membrane bounded cisternae are located near the nucleus is
A
mitochondria
B
Golgi
C
centioles
D
nucleous
Question 86Single Answer
The entry of mineral ions in a plant cell during absorption is
A
passive absorption
B
active absorption
C
osmosis
D
encocytosis
Question 87Single Answer
The suicide bags of the cells are
A
mitochondria
B
plastids
C
golgi complex
D
ribosomes
Question 88Single Answer
When gene targeting involving gene amplification is attempted in a person’s tissue to treat disease, it is known as :
A
Safety testing
B
Biopiracy
C
Gene therapy
D
Molecular diagnosis
Question 89Single Answer
Vesicles are essential for the normal functioning of the golgi apparatus because
A
they provide energy for chemical reactions
B
they move proteins and lipids between different parts of the organelle
C
they contribute to the structural integrity of the organelle
D
they produce the sugars that are aded to proteins
Question 90Single Answer
Amino Acid chains built by the ribosomes then move to the
A
golgie apparatus
B
lysosome
C
endoplasmic reticulum
D
mitochondria
Question 91Single Answer
Simple tissues are
A
parenchyma, xylem and collenchyma
B
parenchyma, collenchyma and collenchyma
C
parenchyma, collecnhyma and sclerenchyma
D
parenchyma, xylem and phloem
Question 92Single Answer
The living cells providing tensile strength are
A
parenchyma
B
collenchyma
C
sclerenchyma
D
sclerotic cells
Question 93Single Answer
The energy currency of the cell is
A
ADP
B
ATP
C
NADP
D
FADP
Question 94Single Answer
Consider the following statement and choose the correct code .
Assertion (A) : A true nucleus is absent in E. coli and other prokaryotes.
Reason (R) : An undifferentiated, unorganised filbrillar chromosome exists inside the prokayotic cells.
Code :
A
Both (A) and (R) are true and (R) is the correct explanation of (A)
B
Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C
(A) is true, but (R) is false
D
(A) is false, but (R) is true
Question 95Single Answer
Match List – I with List – II and select the correct answer by using the codes given below :
List I List II
A. Ribosome 1. Suidical bag of cell
B. lysosome 2. Protein factory of cells
C. Mitochondria 3. Controller of cell
D. Nucleus 4. Power house of cell
Code :
A B C D
A
2 1 4 3
B
4 3 2 1
C
1 4 2 1
D
3 2 1 4
Question 96Single Answer
Which of the following is the correct sequence of the different phase of cell division ?
1. Anaphase
2. Telophase
3. Prophase
4. Metaphase
Code :
A
1 2 3 4
B
1 3 2 4
C
3 1 4 2
D
3 4 1 2
Question 97Single Answer
Match List – I with List – II and select the correct answer by using the codes given below :
List - I List - II
(physiological processes) (Cell organelles)
A. Photosynthesis 1.Plasma membrane
B. Mineral uptake 2. Chloroplast
C. Respiration 3. Mitochondria
D. Protein synthesis 4. Ribosomes
Code :
A B C D
A
1 2 3 4
B
1 2 4 3
C
2 1 3 4
D
2 1 4 3
Question 98Single Answer
Which of the following is not a true statement about chloroplast and mitochondria ?
A
Each contains a small amount of DNA
B
Neither are componmnents of the endomembrane system
C
Both are membrane less organelles
D
Mitochondria do not synthesise all their proteins
Question 99Single Answer
With reference to the animal cell, which of the following statement are correct ?
1. There is no cell wall in animal cell but the cell is coveredby plasma membrane.
2. Chlorophyll is not found in animal cells.
3. Lysosome occurs in plant cells.
4. Almost in all animal cells, centioles exist.
A
2 and 3 only
B
1, 2 and 3 only
C
1, 2 and 4
D
All of the above
Question 100Single Answer
Consider the following statements rearding osmosis in animal cells :
1. If the water potential of the solution surrounding the cell is o high, the cell shrinks.
2. If the water potential of the solution surrounding the cell is too low, the cell swells and bursts.
3. It is important to maintain a constant water potential inside the animal body.
4. In animal cells, water potential far exceeds the solute potential.
Which of the statements given above is /are correct ?
A
1 and 2
B
3 only
C
4 only
D
2 and 3
Question 101Single Answer
The living content of cell is called protoplasm It is composed of :
A
Cytoplasm only
B
Cytoplasm and meloplasm
C
Nucleoplasm only
D
Cytoplasm, mucleoplasm and other organelles
Question 102Single Answer
Certain parts of a plant can be bent easily without breaking. This flexibility in certain parts, like leaf and stem, can be attributed to the abundance of
A
parenchyma
B
collenchyma
C
sclerenchyma
D
xylem and phloem
Question 103Single Answer
In which one of the following antibody formations takes place ?
A
RBCs
B
Blood Platelets
C
Blood Plasma cells
D
Donnan's membrane
Question 104Single Answer
Average life span of human R.B.C is
A
100 days
B
90 days
C
120 days
D
None of these
Question 105Single Answer
Cells which takes part in secondary growth are named as
A
phloem
B
xylem
C
cambium
D
medullary ray
Question 106Single Answer
Blood and lymph are types of
A
muscular tissue
B
epithelial tissue
C
connective tissue
D
permanent tissue
Question 107Single Answer
pH of human blood is
A
7.4
B
6.2
C
9.0
D
7.5 – 8.0
Question 108Single Answer
The camel's hump is composed of a tissue. It is a type of
A
skeletal tissue
B
areolar tissue
C
adipose tissue
D
muscular tissue
Question 109Single Answer
A drop of blood contains .
A
about 10,000 cells
B
about 100,000 cells
C
several million cells
D
less than 25,000 cells
Question 110Single Answer
Human blood contains ................ plasma .
A
35%
B
40%
C
50%
D
55%
Question 111Single Answer
Assertion (A) : Red blood cells burst when placed in water.
Reason (R): Due to osmosis, water enters into red blood cells.
In the light of the above statement, choose the correct answer from the options given below :
A
Both (A) and (R) are true and (R) is the correct explanation of (A)
B
Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C
(A) is true, but (R) is false
D
(A) is false, but (R) is true
Question 112Single Answer
The main function of the inner bark of a woody plant is to
A
transport minerals and water from the roots to the leaves
B
act as a membrane impermeable to water and gas
C
transport food from the leaves to the other part of the plant
D
protect the plant from herbivorous animals
Question 113Single Answer
Which one of the following is modification of parenchyma ?
A
Fibres found in phloem
B
Tracheids
C
Vessel
D
Chlorenchyma
Question 114Single Answer
Which one disease of wheat causes a restriction in the export of wheat from India ?
A
Powdery mildew
B
Karnal bunt
C
Black rust
D
Flag smut
Question 115Single Answer
The study of bones is done under the branch of science called
A
Orology
B
Oseology
C
Sermology
D
Geology
Question 116Single Answer
In human the thickest skin is present in
A
palm
B
sole
C
neck
D
head
Question 117Single Answer
Which of the following is not the vestigial human organ ?
A
Tailbone
B
Eardrum muscles
C
Frontal teeth
D
Appendix
Question 118Single Answer
The total number of bones found in newly born human body ?
A
212
B
206
C
202
D
300
Question 119Single Answer
The bone of the which organ is the longest in the human body ?
A
Spinal cord
B
Thigh
C
Rib cage
D
Ankle - bone
Question 120Single Answer
Contractile proteins are found in
A
bones
B
blood
C
muslces
D
cartilage
Question 121Single Answer
Bone matrix is rich in
A
Fluoride and calcium
B
calcium and phosphorus
C
calcium and potassium
D
phosphorus and potassium
Question 122Single Answer
Which one among the following animal tissues transport hormones and heat and maintains water balance ?
A
Connective tissue
B
Muscular tissue
C
Blood
D
Nervous tissue
Question 123Single Answer
Our skin becomes dark in colour when exposed to excess of sunlight . It is due to the presence of :
A
Carotene
B
Melanin
C
Flavoxanthin
D
Haemotoxylene
Question 124Single Answer
Which one of the following statements about phloem is correct ?
A
Phloem transports water and minerals
B
Phloem transports photosynthetic products
C
Phloem is a simple tissue
D
Phloem gives support to the plant
Question 125Single Answer
Mature sclerenchyma cells have
A
cellulose wall and are living
B
lighnified wall and are living
C
suberized wall and are dead
D
lignified wall and are dead
Question 126Single Answer
Which one of the following is used for storing biological tissues ?
A
Liquid nitrogen
B
Liquid helium
C
Liquid argon
D
Liquid bromine
Question 127Single Answer
Squamous epithelial cells are found in the inner lining of
A
Oesophagus
B
Small intestine
C
Ducts of salivary gland
D
Kidney
Question 128Single Answer
Transformation of meristematic cells into specific permanent tissues occurs by the process of
A
Cell differentiation
B
Cell division
C
Cell multiplication
D
Cell regeneration
Question 129Single Answer
If human blood is placed in a 2% detergent solution, what will happen to the RBC ?
A
The RBC will shrink
B
The RBC will swell and become turgid
C
The RBC will swell and burst
D
The RBC will lyse
Question 130Single Answer
Which of the following are energy foods ?
A
Carbohydrates and fats
B
Proteins and mineral salts
C
Vitamins and minerals
D
Water and roughage
Question 131Single Answer
In which mode of nutrition an organism de-rives its food from the body of anothe r living organism without killing it ?
A
Saprotrophic nutrition
B
Parasitic nutrition
C
Holozoic nutrition
D
Saprotrophic nutrition
Question 132Single Answer
The mode of nutrition found in fungi is :
A
Parasitic nutrition
B
Holozoic nutrition
C
Autotrophic nutrition
D
Saprotrophic nutrition
Question 133Single Answer
Roots of the plants absorb water from the soil through the process of :
A
diffusion
B
transpiration
C
osmosis
D
None of these
Question 134Single Answer
The site of photosynthesis in the cells of a leaf is
A
chloroplast
B
mitochondria
C
cytoplasm
D
protoplasm
Question 135Single Answer
In amoeba, food is digested in the :
A
food vacuole
B
mitochondria
C
pseudopodia
D
chloroplast
Question 136Single Answer
Which of the following events in the mouth cavity will be affected if salivary amaylase is lacking in the saliva ?
A
Starch
B
Proteins breaking down into sugars
C
Absorption of vitamins
D
Fats breaking down into fatty acids and glycerol
Question 137Single Answer
Which region ofthe alimentary canal absorbs the digested food ?
A
Stomach
B
Small intestine
C
Large intestine
D
Liver
Question 138Single Answer
The contraction and expansion movement of the walls of the food pipe is called :
A
translocation
B
transpiration
C
peristaltic movement
D
digestion
Question 139Single Answer
When a few drops of iodine solution are added to rice water, the solution turns blue – black in colour. This indicates that rice water contains :
A
fats
B
complex proteins
C
starch
D
simple proteins
Question 140Single Answer
The exit of unabsorbed food material is regulated by
A
liver
B
anus
C
small intestine
D
anal sphincter
Question 141Single Answer
What are the products obtained by anaerobic respiration in plants ?
A
Lactic acid + Energy
B
Carbon dioxide + Water + Energy
C
Ethanol + Carbon dioxide + Energy
D
Pyruvate
Question 142Single Answer
The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in
A
cytoplasm
B
mitochondria
C
chloroplast
D
nucleus
Question 143Single Answer
Glycolysis process occurs in which part of the cell ?
A
Cytoplasm
B
Nucleus
C
Mitochondria
D
Chloroplast
Question 144Single Answer
Name the substances whose build up in the muslces
A
Ethanol + Carbon dioxide + Energy
B
Lactic acid + Energy
C
Carbon dioxide + Water + Energy
D
Pyruvate
Question 145Single Answer
Name the pores in a leaf through which respi-ratory exchange of gases takes place .
A
Lenticels
B
Vacuoles
C
Xylem
D
Stomata
Question 146Single Answer
The respiratory pigment in human beings is :
A
carotene
B
chlorophyll
C
haemoglobin
D
mitochondria
Question 147Single Answer
Which plant tissue transports water and min-erals from the roots to the leaf ?
A
Xylem
B
Phloem
C
Paranchyma
D
Collenchyma
Question 148Single Answer
The movement of food in phloem is called :
A
transpiration
B
translocation
C
respiration
D
evaporation
Question 149Single Answer
A blood vessel which pumps the blood from the heart to the entire body :
A
artery
B
capillary
C
Vein
D
Haemoglobin
Question 150Single Answer
Name a circulatory fluid in the human body other than blood .
A
Platelets
B
RBC
C
Lymph
D
Plasma
Question 151Single Answer
Single circulation, i.e, blood flows through the heart only once during one cycle of passage through the body, is exhibited by which of the following :
A
hyla, rana, draco
B
whale, dolphin, turtle
C
labeo, chameleon, salamander
D
hippocampus, exocoetus, anabas
Question 152Single Answer
Name the tube which connects the kidneys to the urinary bladder .
A
Urethra
B
Nephron
C
Tubule
D
Ureter
Question 153Single Answer
Which part of nephron allows the selective reabsorption of useful substance like glucose, amino acids, salts and water into the blood capillaries ?
A
Tubule
B
Glomerulus
C
Bowman's capsule
D
Ureter
Question 154Single Answer
Where is the dirty blood in our body filtered ?
A
Heart
B
Lungs
C
Ureter
D
Kidneys
Question 155Single Answer
The procedure used for cleaning the blood of a person by separating urea from it is called :
A
Osmosis
B
filtration
C
dialysis
D
double circulation
Question 156Single Answer
Which is the correct sequence of body parts in the human alimentary canal ?
A
Mouth → stomach → small intestine → large intestine → large intestine
B
Mouth → oesophagus → stomach → small intestine → large intestine
C
Mouth → stomach → oesophagus → small intestine → large intestine
D
Mouth → oesophagus → stomach → large intestine → small intestine
Question 157Single Answer
Identify the correct parth of urine in the human body .
A
Kidney → urinary bladder → urethra → ureter
B
Urinary bladder → ureter → kidney → urethra
C
Kidney → ureter → urethra → urinary bladder
D
Kidney → ureter → urinary bladder → plastids
Question 158Single Answer
The organelle that is present only in plant cells is
A
mitochondria
B
endoplasmic reticulum
C
ribosomes
D
plastids
Question 159Single Answer
Quiscent centre is found in
A
root tip
B
cambium
C
shoot tip
D
lead tip
Question 160Single Answer
The conducting cells o xylem are
A
tracheary elements
B
Sieve elments
C
companion cells
D
all the above
Question 161Single Answer
The chief function of vessels in the plant body is
A
to translocate food material
B
to conduct water and mineral salts
C
to support living cells
D
all the above
Question 162Single Answer
Inner surface of falopian tubes, bronchi and bronchioles are lined by
A
squamous epithelium
B
ciliated epitherlium
C
columnar epithelium
D
cubical epithelium
Question 163Single Answer
The organellses that contain their own genetic material are
A
Mitochondria, vacuoles
B
Plastids, Golgi complex
C
Mitochondria, Plastids
D
Ribosomes, Nucleous
Question 164Single Answer
The photosynthetic pigments is
A
chlorophyll
B
chronophyll
C
xanthophyll
D
fucoxanthin
Question 165Single Answer
Average life span of human R.B.C. is
A
100 days
B
90 days
C
120 days
D
80 days
Question 166Single Answer
Which set clearly identify striated muscles ?
A
Cylindrical, syncytial and unbranched
B
Spindle, unbranched and uninculeated
C
Cylindrical, stripped and nucleated
D
Cylindrical, striped and branched
Question 167Single Answer
Cardiac muslce cells are cylindrical branched
A
uninucleate and voluntary
B
uninucleate and involutuntary
C
multinucleate and voluntary
D
multinucleate and involuntary
Question 168Single Answer
Blood, phloem and muscle are
A
tissues
B
organs
C
cells
D
organ system
Question 169Single Answer
Certain specific regions where grown takes place in plants is called
A
perisperm
B
endosperm
C
meristem
D
stele
Question 170Single Answer
The fibrous tissue which connects the two bone is
A
connective tissue
B
tendon
C
ligament
D
adipose tissue
Question 171Single Answer
Largest number of cell bodies of neuron in our body are found in
A
retina
B
spinal cord
C
brain
D
tongue
Question 172Single Answer
Which of the following are the smallest organisms that cause disease in plants ?
A
Viruses
B
Fungi
C
Bacteria
D
Mycoplasma
Question 173Single Answer
Collar cells occur in
A
sponges
B
hydra
C
sandworm
D
starfish
Question 174Single Answer
Bacteria are (were) considered more as plants than animals because of the presence of
A
small nucleus
B
plasma membrane
C
cell wall
D
spore formation
Question 175Single Answer
Book lungs occur in
A
earthworms
B
insects
C
arachnids
D
mammals
Question 176Single Answer
What is the common name of Panthera tigris
A
Cat
B
Tiger
C
Lion
D
Dog
Question 177Single Answer
Which of the following class of animals has coelomic cavity filled with blood ?
A
Nemaoda
B
Annelida
C
Arthropoda
D
Mollusca
Question 178Single Answer
Lichen is a composite combination of two organisms .
A
Fungi and Bryophyte
B
Fungi and Fern
C
Algae and Bryphyta
D
Algae and Fungi
Question 179Single Answer
The litmus paper utilized in the chemical laboratories is made of :
