Latest AP DSC School Assistant Biological Science Exam Question (Objective Questions), MCQ in English
Subjects : General Knowledge and Current Affairs, Perspectives in Education, Classroom Implications of Educational Psychology, Biological Science, Methodology
Question Bank AP DSC School Assistant (Biological Science) Exam - English
Where was the first session of the Indian National Congress held?
A
Calcutta
B
Madras
C
Bombay
D
Allahabad
Question 3Single Answer
Who presided over the first session of the Indian National Congress?
A
Gopal Krishna Gokhale
B
Badruddin Tyabji
C
W.C. Bonnerjee
D
Pherozeshah Mehta
Question 4Single Answer
Who was popularly known as the Grand Old Man of India?
A
Bal Gangadhar Tilak
B
Dadabhai Naoroji
C
Mahatma Gandhi
D
Lala Lajpat Rai
Question 5Single Answer
Which freedom fighter declared that Swaraj was his birthright?
A
Bal Gangadhar Tilak
B
Bipin Chandra Pal
C
Aurobindo Ghosh
D
C.R. Das
Question 6Single Answer
Who founded the Servants of India Society in 1905?
A
Gopal Krishna Gokhale
B
Mahatma Gandhi
C
M.G. Ranade
D
Dadabhai Naoroji
Question 7Single Answer
Which movement was launched against the partition of Bengal in 1905?
A
Swadeshi Movement
B
Quit India Movement
C
Civil Disobedience Movement
D
Khilafat Movement
Question 8Single Answer
Who was the Viceroy of India during the partition of Bengal in 1905?
A
Lord Ripon
B
Lord Curzon
C
Lord Hardinge
D
Lord Minto
Question 9Single Answer
Who founded the Home Rule League in Madras in 1916?
A
Annie Besant
B
Sarojini Naidu
C
Madam Bhikaji Cama
D
Kamaladevi Chattopadhyay
Question 10Single Answer
The Lucknow Pact of 1916 was signed between which organizations?
A
Indian National Congress and Muslim League
B
Congress and Hindu Mahasabha
C
Muslim League and Justice Party
D
Congress and Ghadar Party
Question 11Single Answer
In which year did Mahatma Gandhi return to India from South Africa?
A
1913
B
1914
C
1917
D
1915
Question 12Single Answer
Which was Gandhi's first major Satyagraha in India?
A
Kheda Satyagraha
B
Ahmedabad Mill Strike
C
Bardoli Satyagraha
D
Champaran Satyagraha
Question 13Single Answer
Champaran Satyagraha was associated with the grievances of which farmers?
A
Cotton farmers
B
Indigo cultivators
C
Tea growers
D
Wheat cultivators
Question 14Single Answer
In which year was the Rowlatt Act passed?
A
1919
B
1917
C
1921
D
1923
Question 15Single Answer
Where did the Jallianwala Bagh massacre take place?
A
Lahore
B
Delhi
C
Kanpur
D
Amritsar
Question 16Single Answer
Who ordered troops to fire at Jallianwala Bagh in 1919?
A
Lord Chelmsford
B
Brigadier-General Reginald Dyer
C
Lord Irwin
D
Michael O'Dwyer
Question 17Single Answer
Which commission investigated the Jallianwala Bagh massacre?
A
Simon Commission
B
Hunter Committee
C
Butler Committee
D
Sadler Commission
Question 18Single Answer
In which year did Gandhi launch the Non-Cooperation Movement?
A
1924
B
1918
C
1922
D
1920
Question 19Single Answer
Which incident led Gandhi to withdraw the Non-Cooperation Movement?
A
Chauri Chaura Incident
B
Jallianwala Bagh Massacre
C
Kakori Incident
D
Bardoli Satyagraha
Question 20Single Answer
In which year did the Chauri Chaura incident occur?
A
1919
B
1922
C
1921
D
1920
Perspectives in Education
Question 21Single Answer
What was the main objective of education during the Vedic period?
A
Industrial development
B
Moral, spiritual and intellectual development
C
Physical training only
D
Commercial training
Question 22Single Answer
Which educational system involved students living with their teachers?
A
Correspondence Education
B
Distance Education
C
Gurukula System
D
Open Schooling
Question 23Single Answer
Which language was primarily used for Vedic education?
A
Persian
B
Sanskrit
C
Pali
D
English
Question 24Single Answer
What was the primary method of teaching in the early Vedic period?
A
Written examinations
B
Oral instruction and memorization
C
Computer-based learning
D
Printed textbooks
Question 25Single Answer
Which ceremony traditionally marked the beginning of a student's formal Vedic education?
A
Upanayana
B
Vivaha
C
Samavartana
D
Antyeshti
Question 26Single Answer
What does the term Brahmacharya primarily represent in ancient Indian education?
A
Military administration
B
Agricultural education
C
Student life characterized by discipline and self-control
D
Commercial activities
Question 27Single Answer
Which institution was a famous centre of Buddhist education?
A
Fort William College
B
Nalanda Mahavihara
C
Presidency College
D
Hindu College
Question 28Single Answer
Which language was widely associated with early Buddhist religious literature and learning?
A
Pali
B
French
C
Portuguese
D
Latin
Question 29Single Answer
Who was primarily responsible for teaching students in a Gurukula?
A
District Collector
B
Village Officer
C
Education Inspector
D
Guru
Question 30Single Answer
Which characteristic was particularly important in traditional Gurukula education?
A
Standardized online examinations
B
Personal interaction between teacher and student
C
Centralized school boards
D
Digital attendance
Classroom Implications of Educational Psychology
Question 31Single Answer
What is the main meaning of individual differences in educational psychology?
A
Differences in school buildings
B
Variations among individuals in psychological characteristics
C
Differences in examination schedules
D
Variations in textbook prices
Question 32Single Answer
Which type of individual difference refers to variations between two students?
A
Intra-individual difference
B
Inter-individual difference
C
Institutional difference
D
Environmental uniformity
Question 33Single Answer
Intra-individual differences refer to variations in which aspect?
A
Different abilities within the same individual
B
Abilities of different schools
C
Educational policies of different states
D
Achievement of different teachers
Question 34Single Answer
Which factor contributes to individual differences?
A
Only heredity
B
Both heredity and environment
C
Only school uniforms
D
Only classroom furniture
Question 35Single Answer
Which classroom practice best addresses individual differences?
A
Using differentiated instruction
B
Providing identical tasks regardless of ability
C
Ignoring learning difficulties
D
Teaching exclusively through lectures
Question 36Single Answer
Who developed the theory of multiple intelligences?
A
Charles Spearman
B
Howard Gardner
C
Alfred Binet
D
Edward Thorndike
Question 37Single Answer
Which intelligence involves effective use of language?
A
Bodily-kinesthetic intelligence
B
Spatial intelligence
C
Linguistic intelligence
D
Naturalistic intelligence
Question 38Single Answer
Which intelligence is mainly associated with logical reasoning and numerical ability?
A
Musical intelligence
B
Interpersonal intelligence
C
Linguistic intelligence
D
Logical-mathematical intelligence
Question 39Single Answer
A student who accurately interprets maps and diagrams demonstrates which intelligence?
A
Intrapersonal intelligence
B
Visual-spatial intelligence
C
Musical intelligence
D
Verbal intelligence
Question 40Single Answer
Which intelligence is especially useful in recognizing plant and animal species?
A
Musical intelligence
B
Naturalistic intelligence
C
Existential intelligence
D
Linguistic intelligence
Biological Science
Question 41Single Answer
Which of the following nutrients is the primary source of energy for the human body?
A
Vitamins
B
Carbohydrates
C
Minerals
D
Water
Question 42Single Answer
Which nutrient is mainly responsible for the growth and repair of body tissues?
A
Proteins
B
Minerals
C
Carbohydrates
D
Fats
Question 43Single Answer
Which chemical is commonly used to test the presence of starch in food?
A
Iodine solution
B
Benedict's solution
C
Biuret reagent
D
Ethanol
Question 44Single Answer
Which colour indicates the presence of starch when iodine solution is added?
A
Blue-black
B
Yellow
C
Green
D
Red
Question 45Single Answer
Which vitamin is essential for normal blood clotting?
A
Vitamin A
B
Vitamin D
C
Vitamin C
D
Vitamin K
Question 46Single Answer
Deficiency of Vitamin A primarily causes which disease?
A
Rickets
B
Scurvy
C
Night blindness
D
Beriberi
Question 47Single Answer
Which mineral is required for the synthesis of thyroid hormones?
A
Sodium
B
Iron
C
Calcium
D
Iodine
Question 48Single Answer
Which disease is commonly caused by a deficiency of Vitamin C?
A
Pellagra
B
Scurvy
C
Rickets
D
Beriberi
Question 49Single Answer
Which vitamin is synthesized in human skin through exposure to sunlight?
A
Vitamin B12
B
Vitamin C
C
Vitamin D
D
Vitamin K
Question 50Single Answer
Which of the following is considered a protective food?
A
Green leafy vegetables
B
Butter
C
Cooking oil
D
Refined sugar
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Biological Science
Question 51Single Answer
Which disease is associated with a deficiency of Vitamin B1?
A
Rickets
B
Scurvy
C
Beriberi
D
Goitre
Question 52Single Answer
Which mineral is an essential component of haemoglobin?
A
Calcium
B
Iron
C
Potassium
D
Magnesium
Question 53Single Answer
Which condition is commonly associated with insufficient dietary iron?
A
Iron-deficiency anaemia
B
Goitre
C
Night blindness
D
Dental fluorosis
Question 54Single Answer
Which food component primarily helps prevent constipation?
A
Glucose
B
Dietary fibre
C
Cholesterol
D
Saturated fat
Question 55Single Answer
Which type of nutrient provides approximately 9 kilocalories of energy per gram?
A
Fats
B
Proteins
C
Carbohydrates
D
Dietary fibre
Question 56Single Answer
Which type of malnutrition results from a severe deficiency of protein despite relatively adequate energy intake?
A
Rickets
B
Scurvy
C
Goitre
D
Kwashiorkor
Question 57Single Answer
Which condition is characterized by severe wasting resulting from prolonged energy deficiency?
A
Marasmus
B
Pellagra
C
Beriberi
D
Xerophthalmia
Question 58Single Answer
Which nutrient serves as a major structural component of cell membranes?
A
Starch
B
Glycogen
C
Phospholipids
D
Cellulose
Question 59Single Answer
Which of the following is a water-soluble vitamin?
A
Vitamin C
B
Vitamin A
C
Vitamin D
D
Vitamin E
Question 60Single Answer
Which vitamin deficiency commonly leads to rickets in children?
A
Vitamin B6
B
Vitamin K
C
Vitamin D
D
Vitamin C
Question 61Single Answer
Which plant part primarily absorbs water and dissolved minerals from the soil?
A
Flower
B
Root
C
Fruit
D
Stem apex
Question 62Single Answer
Which structure is the principal site of photosynthesis in most green plants?
A
Root cap
B
Cork
C
Flower petal
D
Leaf
Question 63Single Answer
Which plant tissue transports water and minerals from roots to other parts?
A
Xylem
B
Phloem
C
Epidermis
D
Collenchyma
Question 64Single Answer
Which plant tissue mainly transports sugars from source regions to sink regions?
A
Phloem
B
Sclerenchyma
C
Xylem
D
Cork
Question 65Single Answer
Which of the following plants has a taproot system?
A
Wheat
B
Mustard
C
Rice
D
Maize
Question 66Single Answer
Which of the following plants typically possesses a fibrous root system?
A
Gram
B
Pea
C
Mango
D
Wheat
Question 67Single Answer
Which part of a typical flower develops into the fruit after fertilization?
A
Stigma
B
Ovary
C
Style
D
Anther
Question 68Single Answer
Which part of an ovule usually develops into the seed coat?
A
Nucellus
B
Embryo sac
C
Funicle
D
Integuments
Question 69Single Answer
Which arrangement of leaf veins is commonly found in monocot plants?
A
Reticulate venation
B
Dichotomous venation
C
Parallel venation
D
Palmate reticulate venation
Question 70Single Answer
Which of the following is an example of a modified stem used for food storage?
A
Potato
B
Radish
C
Sweet potato
D
Carrot
Question 71Single Answer
Which of the following organisms exhibits autotrophic nutrition?
A
Mushroom
B
Green algae
C
Tapeworm
D
Amoeba
Question 72Single Answer
Which pigment is chiefly responsible for capturing light energy during photosynthesis in green plants?
A
Anthocyanin
B
Haemoglobin
C
Chlorophyll
D
Melanin
Question 73Single Answer
Which gas is absorbed by green plants during photosynthesis?
A
Carbon dioxide
B
Oxygen
C
Nitrogen
D
Hydrogen
Question 74Single Answer
Which gas is released during oxygenic photosynthesis?
A
Methane
B
Carbon monoxide
C
Nitrogen
D
Oxygen
Question 75Single Answer
Which cell organelle is the main site of photosynthesis in plants?
A
Mitochondrion
B
Chloroplast
C
Ribosome
D
Lysosome
Question 76Single Answer
Which substance provides the oxygen released during photosynthesis?
A
Glucose
B
Carbon dioxide
C
Atmospheric oxygen
D
Water
Question 77Single Answer
Which of the following is an insectivorous plant?
A
Cuscuta
B
Rose
C
Nepenthes
D
Hibiscus
Question 78Single Answer
Which organism obtains nutrients from living host plants through a parasitic mode of nutrition?
A
Moss
B
Spirogyra
C
Cuscuta
D
Fern
Question 79Single Answer
Which of the following organisms commonly exhibits saprotrophic nutrition?
A
Mango plant
B
Mushroom
C
Grass
D
Neem tree
Question 80Single Answer
Which association is commonly observed between certain fungi and the roots of higher plants?
A
Predation
B
Parasitism only
C
Mycorrhiza
D
Competition only
Question 81Single Answer
Which bacteria commonly occur in root nodules of leguminous plants?
A
Lactobacillus
B
Vibrio
C
Salmonella
D
Rhizobium
Question 82Single Answer
Which mineral element is particularly important for chlorophyll synthesis and the central structure of chlorophyll molecules?
A
Zinc
B
Copper
C
Magnesium
D
Sodium
Question 83Single Answer
Which of the following is the principal function of stomata?
A
Absorption of soil minerals
B
Gas exchange and regulation of transpiration
C
Formation of seeds
D
Transportation of food through roots
Question 84Single Answer
Which cells regulate the opening and closing of stomatal pores?
A
Companion cells
B
Sieve tube cells
C
Root cap cells
D
Guard cells
Question 85Single Answer
Which process involves the loss of water vapour from aerial parts of plants?
A
Guttation
B
Germination
C
Translocation
D
Transpiration
Question 86Single Answer
Which of the following is an example of a plant with a heterotrophic nutritional adaptation?
A
Sunflower
B
Rice
C
Coconut
D
Dodder
Question 87Single Answer
Which is the main photosynthetic carbohydrate initially synthesized through the Calvin cycle?
A
Glyceraldehyde-3-phosphate
B
Cellulose
C
Sucrose
D
Glycogen
Question 88Single Answer
Which of the following is essential for photosynthesis but is not a direct raw material consumed in the overall chemical reaction?
A
Water
B
Carbon dioxide
C
Hydrogen carbonate
D
Sunlight
Question 89Single Answer
Which form of nutrition is exhibited by most green flowering plants?
A
Photoautotrophic nutrition
B
Parasitic nutrition
C
Saprotrophic nutrition
D
Holozoic nutrition
Question 90Single Answer
Which organism is an example of a partial parasite containing chlorophyll?
A
Viscum
B
Mushroom
C
Amoeba
D
Cuscuta
Question 91Single Answer
Which process involves the ingestion, digestion, absorption and assimilation of solid food?
A
Chemosynthetic nutrition
B
Autotrophic nutrition
C
Holozoic nutrition
D
Saprotrophic nutrition
Question 92Single Answer
Which structure helps Amoeba capture and engulf its food?
A
Cilia
B
Flagella
C
Pseudopodia
D
Tentacles
Question 93Single Answer
In Amoeba, intracellular digestion mainly occurs inside which structure?
A
Contractile vacuole
B
Nucleus
C
Food vacuole
D
Plasma membrane
Question 94Single Answer
Which mode of nutrition is followed by human beings?
A
Holozoic
B
Saprotrophic
C
Parasitic
D
Autotrophic
Question 95Single Answer
In which part of the human alimentary canal does digestion of starch begin?
A
Large intestine
B
Stomach
C
Mouth
D
Rectum
Question 96Single Answer
Which enzyme begins the chemical digestion of starch in the human mouth?
A
Pepsin
B
Lipase
C
Salivary amylase
D
Trypsin
Question 97Single Answer
Which organ produces bile in human beings?
A
Pancreas
B
Stomach
C
Liver
D
Gallbladder
Question 98Single Answer
Which organ stores and concentrates bile?
A
Liver
B
Pancreas
C
Gallbladder
D
Duodenum
Question 99Single Answer
Which component of bile helps in the emulsification of dietary fats?
A
Pepsin
B
Bile salts
C
Amylase
D
Trypsin
Question 100Single Answer
Which acid is secreted by the human stomach?
A
Hydrochloric acid
B
Sulphuric acid
C
Acetic acid
D
Nitric acid
Question 101Single Answer
Which enzyme begins significant protein digestion in the human stomach?
A
Maltase
B
Salivary amylase
C
Pepsin
D
Lactase
Question 102Single Answer
Which of the following protects the stomach lining against digestive acid?
A
Bile
B
Insulin
C
Saliva
D
Mucus
Question 103Single Answer
Which organ secretes pancreatic digestive enzymes into the duodenum?
A
Pancreas
B
Liver
C
Spleen
D
Gallbladder
Question 104Single Answer
Which enzyme is responsible for breaking down lactose into glucose and galactose?
A
Lactase
B
Maltase
C
Sucrase
D
Pepsin
Question 105Single Answer
Which part of the digestive system is the principal site of nutrient absorption?
A
Stomach
B
Large intestine
C
Oesophagus
D
Small intestine
Question 106Single Answer
Which structures increase the absorptive surface area of the small intestine?
A
Gastric pits
B
Intestinal villi
C
Nephrons
D
Tracheal rings
Question 107Single Answer
Which type of movement propels food through the alimentary canal?
A
Peristalsis
B
Diffusion
C
Osmosis
D
Filtration
Question 108Single Answer
Which part of the alimentary canal primarily absorbs the remaining water and electrolytes from undigested material?
A
Large intestine
B
Stomach
C
Oesophagus
D
Mouth
Question 109Single Answer
Which structure prevents food from entering the trachea during swallowing?
A
Uvula
B
Tongue
C
Epiglottis
D
Diaphragm
Question 110Single Answer
Which digestive enzyme breaks down triglycerides into fatty acids and monoglycerides?
A
Amylase
B
Pepsin
C
Lipase
D
Maltase
Question 111Single Answer
Which chamber of the stomach in ruminants is primarily involved in microbial fermentation?
A
Abomasum
B
Rumen
C
Omasum
D
Reticulum
Question 112Single Answer
Which chamber of the ruminant stomach is called the true stomach?
A
Abomasum
B
Reticulum
C
Rumen
D
Omasum
Question 113Single Answer
Which microorganisms play a major role in cellulose digestion in cattle?
A
Only viruses
B
Symbiotic microorganisms
C
Only disease-causing fungi
D
Only photosynthetic algae
Question 114Single Answer
What is the process of bringing partially digested food back to the mouth for rechewing called?
A
Peristalsis
B
Absorption
C
Rumination
D
Egestion
Question 115Single Answer
Which compound is the final major end product of complete aerobic oxidation of glucose along with water?
A
Ethanol
B
Carbon dioxide
C
Lactic acid
D
Acetic acid
Question 116Single Answer
Which cell organelle is the principal site of aerobic ATP production in eukaryotic cells?
A
Golgi apparatus
B
Ribosome
C
Lysosome
D
Mitochondrion
Question 117Single Answer
Which process breaks glucose into pyruvate in the cytoplasm?
A
Krebs cycle
B
Beta-oxidation
C
Electron transport
D
Glycolysis
Question 118Single Answer
What is the net ATP gain during glycolysis from one glucose molecule?
A
4 ATP
B
6 ATP
C
8 ATP
D
2 ATP
Question 119Single Answer
Which of the following is the main energy currency of a living cell?
A
DNA
B
ATP
C
RNA
D
NADP+
Question 120Single Answer
Which type of respiration requires molecular oxygen as the final electron acceptor?
A
Alcoholic fermentation
B
Lactic acid fermentation
C
Anaerobic respiration
D
Aerobic respiration
Methodology
Question 121Single Answer
Which characteristic of science emphasizes that scientific conclusions must be based on observable evidence?
A
Intuition
B
Authority
C
Empiricism
D
Tradition
Question 122Single Answer
Which component of science includes its concepts, principles, laws, and theories?
A
Syntactic structure
B
Psychological structure
C
Administrative structure
D
Substantive structure
Question 123Single Answer
Which structure of science deals with methods of inquiry and validation of scientific knowledge?
A
Social structure
B
Substantive structure
C
Syntactic structure
D
Institutional structure
Question 124Single Answer
Which ancient Indian scholar is particularly associated with the systematic description of surgical procedures?
A
Sushruta
B
Brahmagupta
C
Aryabhata
D
Varahamihira
Question 125Single Answer
What is the primary purpose of scientific inquiry?
A
To develop explanations supported by evidence
B
To preserve traditional beliefs
C
To memorize scientific definitions
D
To establish permanent and unchangeable opinions
Question 126Single Answer
Which feature of scientific knowledge indicates that explanations may change when new evidence becomes available?
A
Rigidity
B
Permanence
C
Absoluteness
D
Tentativeness
Question 127Single Answer
Which ancient Indian scholar is traditionally associated with the Charaka Samhita?
A
Charaka
B
Kanada
C
Panini
D
Patanjali
Question 128Single Answer
Which branch of science deals with living organisms and their life processes?
A
Geology
B
Astronomy
C
Meteorology
D
Biology
Question 129Single Answer
What is meant by the interdisciplinary nature of biological science?
A
Integrating biology with knowledge from related disciplines
B
Studying biology without reference to other subjects
C
Restricting biological knowledge to classroom teaching
D
Excluding mathematics from biological investigations
Question 130Single Answer
Which feature most clearly distinguishes scientific explanations from unsupported opinions?
A
Systematic verification through evidence
B
Historical importance
C
Personal belief
D
Popular acceptance
Question 131Single Answer
Who is widely associated with establishing modern binomial nomenclature?
A
Charles Darwin
B
Carl Linnaeus
C
Gregor Mendel
D
Louis Pasteur
Question 132Single Answer
Which scientific process involves proposing a testable explanation for an observation?
A
Hypothesis formation
B
Measurement
C
Classification
D
Documentation
Question 133Single Answer
Which statement correctly explains the relationship between science and technology?
A
Science and technology are completely independent
B
Science and technology influence each other's development
C
Technology has no connection with scientific discoveries
D
Scientific knowledge develops only after technological inventions
Question 134Single Answer
Which activity illustrates the application of biological science in agriculture?
A
Developing disease-resistant crop varieties
B
Calculating earthquake intensity
C
Measuring atmospheric pressure
D
Studying planetary motion
Question 135Single Answer
Which ancient Indian philosophical school is associated with the atomistic ideas of Kanada?
A
Vedanta
B
Yoga
C
Vaisheshika
D
Mimamsa
Question 136Single Answer
Which scientist is most closely associated with the theory of evolution by natural selection?
A
Robert Hooke
B
Charles Darwin
C
Gregor Mendel
D
William Harvey
Question 137Single Answer
What is the main purpose of controlling variables during a scientific experiment?
A
To investigate the effect of a selected independent variable
B
To avoid recording observations
C
To guarantee that a hypothesis is correct
D
To prevent comparison of results
Question 138Single Answer
Which aspect of science involves the logical procedures used to test and evaluate explanations?
A
Literary structure
B
Syntactic structure
C
Administrative structure
D
Economic structure
Question 139Single Answer
Which scientific process involves grouping organisms according to shared characteristics?
A
Extrapolation
B
Prediction
C
Experimentation
D
Classification
Question 140Single Answer
Which statement correctly describes the scope of biological science?
A
It deals exclusively with human anatomy
B
It excludes environmental studies
C
It studies living systems from molecular to ecosystem levels
D
It studies only organisms visible to the naked eye
Question 141Single Answer
What is an essential characteristic of a scientifically testable hypothesis?
A
It must agree with every existing scientific theory
B
It must always be confirmed by experiments
C
It must permit investigation using relevant evidence
D
It must be accepted by every scientist
Question 142Single Answer
Which Western scientist formulated the classical laws of motion?
A
Isaac Newton
B
Galileo Galilei
C
Michael Faraday
D
Albert Einstein
Question 143Single Answer
Which field applies biological knowledge to develop useful products and processes?
A
Astrophysics
B
Biotechnology
C
Mineralogy
D
Seismology
Question 144Single Answer
What does objectivity in science primarily require?
A
Dependence on personal preferences
B
Interpretation based on evidence rather than personal bias
C
Acceptance of popular opinions
D
Avoidance of experimental verification
Question 145Single Answer
Which ancient Indian mathematician and astronomer wrote the Aryabhatiya?
A
Brahmagupta
B
Aryabhata
C
Varahamihira
D
Bhaskara II
Question 146Single Answer
Which characteristic of science encourages critical examination of established explanations?
A
Blind acceptance
B
Unquestioned obedience
C
Skepticism
D
Dogmatism
Question 147Single Answer
Which branch of biological science studies interactions between organisms and their environment?
A
Ecology
B
Cytology
C
Histology
D
Embryology
Question 148Single Answer
Which type of reasoning develops a general principle from several specific observations?
A
Inductive reasoning
B
Analogical reasoning
C
Deductive reasoning
D
Circular reasoning
Question 149Single Answer
Which reasoning process applies a general principle to a particular situation?
A
Observation
B
Deductive reasoning
C
Measurement
D
Classification
Question 150Single Answer
Why is reproducibility important in scientific research?
A
It allows other investigators to check scientific findings
B
It eliminates the need for detailed procedures
C
It guarantees identical measurements in every situation
D
It prevents the modification of scientific theories
Question 151Single Answer
Which scientist established fundamental principles of inheritance through experiments with pea plants?
A
Gregor Mendel
B
Robert Koch
C
Jean-Baptiste Lamarck
D
Alexander Fleming
Question 152Single Answer
Which classroom activity best reflects the empirical nature of biological science?
A
Observing seed germination under controlled conditions
B
Copying textbook diagrams
C
Memorizing scientific definitions
D
Accepting statements without investigation
Question 153Single Answer
What is the primary function of a scientific model?
A
To eliminate the need for scientific observation
B
To represent selected features of a system for explanation and prediction
C
To establish permanent scientific certainty
D
To replace all forms of experimental investigation
Question 154Single Answer
Which example represents the substantive structure of biological science?
A
Recording laboratory observations
B
Planning an experimental procedure
C
Comparing the results of investigations
D
Understanding the principles of cell theory
Question 155Single Answer
Which example represents the syntactic structure of biological science?
A
Naming the parts of a flower
B
Defining the term chlorophyll
C
Designing an experiment to investigate the effect of light on photosynthesis
D
Listing the levels of biological organization
Question 156Single Answer
Which scientific skill involves drawing a reasoned conclusion from observations?
A
Memorization
B
Inference
C
Imitation
D
Repetition
Question 157Single Answer
What is the main purpose of peer review in scientific research?
A
To guarantee that every published finding is permanently correct
B
To prevent publication of new scientific ideas
C
To obtain critical evaluation from knowledgeable specialists
D
To eliminate the need for experimental evidence
Question 158Single Answer
Which scientist demonstrated the systemic circulation of blood?
A
William Harvey
B
Robert Hooke
C
Antonie van Leeuwenhoek
D
Edward Jenner
Question 159Single Answer
Which Indian scientist received the Nobel Prize in Physics in 1930 for work on the scattering of light?
A
Satyendra Nath Bose
B
Jagadish Chandra Bose
C
Meghnad Saha
D
C. V. Raman
Question 160Single Answer
Which statement correctly distinguishes observation from inference?
A
Both are always identical scientific processes
B
Inference is necessarily obtained through direct sensory perception
C
Observation provides evidence, while inference interprets that evidence
D
Observation is always less reliable than personal opinion
