Total Questions: 100
Total Marks: 150
Time: 2 Hours
Negative Marking: −0.5
BOTANY (Questions 1–28)
Cell Biology
1. The phospholipid bilayer of the plasma membrane is
primarily responsible for:
A. Protein synthesis
B. Selective permeability
C. Cell division
D. Respiration
2. The membrane surrounding the vacuole is called:
A. Plasmalemma
B. Tonoplast
C. Nuclear envelope
D. Cell wall
3. Which cell organelle contains hydrolytic enzymes?
A. Ribosome
B. Lysosome
C. Chloroplast
D. Golgi apparatus
4. The rough endoplasmic reticulum is mainly involved in:
A. Lipid synthesis
B. Protein synthesis
C. ATP production
D. Photosynthesis
5. Which component of the cell wall provides rigidity to
mature plant cells?
A. Cellulose
B. Pectin
C. Lignin
D. Chitin
Plant Anatomy
6. Bicollateral vascular bundles are characteristically
found in:
A. Sunflower
B. Cucurbita
C. Maize
D. Wheat
7. Casparian strips are found in:
A. Cortex
B. Endodermis
C. Pericycle
D. Epidermis
8. The main function of xylem fibres is:
A. Water conduction
B. Food conduction
C. Mechanical support
D. Photosynthesis
9. The cork cambium gives rise to:
A. Secondary xylem
B. Phelloderm and cork
C. Phloem fibres
D. Companion cells
Plant Physiology
10. The driving force for ascent of sap is:
A. Root pressure only
B. Transpiration pull
C. Osmosis only
D. Capillary action only
11. The opening of stomata is associated with:
A. Loss of K⁺ ions
B. Gain of K⁺ ions
C. Loss of chlorophyll
D. Cell wall thickening
12. Which mineral deficiency causes chlorosis in young
leaves?
A. Nitrogen
B. Magnesium
C. Iron
D. Potassium
Photosynthesis
13. The oxygen evolved during photosynthesis comes from:
A. Carbon dioxide
B. Water
C. Glucose
D. Chlorophyll
14. Photophosphorylation is the process of:
A. Reduction of NADP⁺
B. Formation of ATP using light energy
C. CO₂ fixation
D. Breakdown of glucose
15. Rubisco acts as:
A. Oxygenase only
B. Carboxylase only
C. Both carboxylase and oxygenase
D. Hydrolase
16. CAM plants keep their stomata open during:
A. Day
B. Night
C. Afternoon
D. Morning
Respiration
17. Glycolysis converts one molecule of glucose into:
A. One pyruvate
B. Two pyruvate
C. Four pyruvate
D. Two acetyl-CoA
18. The Krebs cycle occurs in:
A. Cytoplasm
B. Mitochondrial matrix
C. Chloroplast
D. Ribosome
19. The net ATP produced in glycolysis is:
A. 2 ATP
B. 4 ATP
C. 6 ATP
D. 8 ATP
Genetics
20. The phenomenon in which one gene masks the effect of
another non-allelic gene is:
A. Codominance
B. Epistasis
C. Linkage
D. Mutation
21. Crossing over occurs during:
A. Leptotene
B. Zygotene
C. Pachytene
D. Diplotene
22. The enzyme that synthesizes RNA from DNA is:
A. DNA polymerase
B. RNA polymerase
C. Ligase
D. Helicase
Biotechnology
23. PCR consists of:
A. One step
B. Two steps
C. Three steps
D. Four steps
24. Ti plasmid is associated with:
A. Rhizobium
B. Agrobacterium tumefaciens
C. Bacillus thuringiensis
D. E. coli
Ecology
25. The ecological pyramid of energy is always:
A. Inverted
B. Upright
C. Spindle-shaped
D. Horizontal
26. The ozone layer is mainly located in:
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
27. The major reservoir of carbon is:
A. Atmosphere
B. Ocean
C. Forest
D. Soil
28. The term "Biodiversity" was popularized by:
A. Charles Darwin
B. Edward O. Wilson
C. Linnaeus
D. Watson
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Ans |
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No. |
Ans |
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1 |
B |
8 |
C |
15 |
C |
22 |
B |
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2 |
B |
9 |
B |
16 |
B |
23 |
C |
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3 |
B |
10 |
B |
17 |
B |
24 |
B |
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4 |
B |
11 |
B |
18 |
B |
25 |
B |
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5 |
C |
12 |
C |
19 |
A |
26 |
B |
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6 |
B |
13 |
B |
20 |
B |
27 |
B |
|
7 |
B |
14 |
B |
21 |
C |
28 |
B |
ZOOLOGY (Questions 29–56)
Human Physiology, Cell Biology, Genetics, Evolution,
Biotechnology & Ecology
Cell Biology
29. The fluid mosaic model of plasma membrane was proposed
by:
A. Watson and Crick
B. Singer and Nicolson
C. Schleiden and Schwann
D. Robert Hooke
30. Which organelle is known as the "powerhouse of the
cell"?
A. Golgi apparatus
B. Mitochondrion
C. Ribosome
D. Lysosome
31. The site of ATP synthesis in mitochondria is:
A. Outer membrane
B. Matrix
C. Cristae
D. Intermembrane space
Human Physiology – Digestion & Respiration
32. Which enzyme converts pepsinogen into pepsin?
A. Trypsin
B. HCl
C. Amylase
D. Lipase
33. The respiratory pigment in human blood is:
A. Haemocyanin
B. Chlorocruorin
C. Haemoglobin
D. Myoglobin
34. The exchange of gases in alveoli occurs by:
A. Active transport
B. Diffusion
C. Osmosis
D. Facilitated diffusion
Circulatory System
35. Which chamber of the heart has the thickest muscular
wall?
A. Right atrium
B. Left atrium
C. Right ventricle
D. Left ventricle
36. Which blood group is called the universal recipient?
A. O
B. A
C. AB
D. B
37. Blood clotting is mainly caused by:
A. RBCs
B. WBCs
C. Platelets
D. Plasma proteins only
Excretion
38. The functional unit of the kidney is:
A. Neuron
B. Nephron
C. Alveolus
D. Glomerulus
39. Ultrafiltration occurs in:
A. Bowman's capsule and glomerulus
B. Loop of Henle
C. Collecting duct
D. Distal convoluted tubule
Nervous System & Endocrine System
40. The functional unit of the nervous system is:
A. Nephron
B. Neuron
C. Synapse
D. Axon
41. The hormone secreted by β-cells of the pancreas is:
A. Glucagon
B. Insulin
C. Adrenaline
D. Thyroxine
42. The master gland of the endocrine system is:
A. Thyroid
B. Adrenal
C. Pituitary
D. Pineal
Reproduction
43. Fertilization in humans normally takes place in the:
A. Ovary
B. Uterus
C. Fallopian tube
D. Cervix
44. The chromosome number in a human sperm is:
A. 46
B. 23
C. 44
D. 22
Genetics
45. The "Father of Genetics" is:
A. Darwin
B. Mendel
C. Morgan
D. Watson
46. The process of copying DNA into RNA is:
A. Translation
B. Replication
C. Transcription
D. Mutation
47. The genetic material in most living organisms is:
A. RNA
B. DNA
C. Protein
D. Lipid
48. Crossing over occurs during:
A. Leptotene
B. Zygotene
C. Pachytene
D. Diplotene
Evolution
49. Natural selection was proposed by:
A. Lamarck
B. Darwin
C. Hugo de Vries
D. Mendel
50. The "survival of the fittest" concept is
associated with:
A. Darwinian evolution
B. Mutation theory
C. Germplasm theory
D. Chromosomal theory
Biotechnology
51. DNA fingerprinting was developed by:
A. Watson
B. Crick
C. Alec Jeffreys
D. Mullis
52. PCR was invented by:
A. Watson
B. Kary Mullis
C. Crick
D. Meselson
Ecology
53. The largest ecosystem on Earth is:
A. Forest
B. Ocean
C. Grassland
D. Desert
54. Which gas is primarily responsible for global warming?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen
55. The 10% law of energy transfer was proposed by:
A. Lindeman
B. Odum
C. Elton
D. Tansley
56. The Ramsar Convention is related to the conservation of:
A. Forests
B. Wetlands
C. Grasslands
D. Mangroves
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Q.
No. |
Ans |
Q.
No. |
Ans |
Q.
No. |
Ans |
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29 |
B |
36 |
C |
43 |
C |
50 |
A |
|
30 |
B |
37 |
C |
44 |
B |
51 |
C |
|
31 |
C |
38 |
B |
45 |
B |
52 |
B |
|
32 |
B |
39 |
A |
46 |
C |
53 |
B |
|
33 |
C |
40 |
B |
47 |
B |
54 |
C |
|
34 |
B |
41 |
B |
48 |
C |
55 |
A |
|
35 |
D |
42 |
C |
49 |
B |
56 |
B |
CHEMISTRY (Questions 57–84)
Higher Difficulty Level – Physical, Inorganic, Organic &
Environmental Chemistry
Physical Chemistry
57. One mole of an ideal gas at STP occupies:
A. 22.4 L
B. 24.5 L
C. 11.2 L
D. 44.8 L
58. The SI unit of molar concentration (molarity) is:
A. mol L⁻¹
B. mol m⁻³
C. g L⁻¹
D. mol kg⁻¹
59. The pH of a neutral solution at 25°C is:
A. 0
B. 5
C. 7
D. 14
60. Which law explains the relationship between pressure and
volume at constant temperature?
A. Charles' Law
B. Boyle's Law
C. Gay-Lussac's Law
D. Avogadro's Law
61. The rate of a first-order reaction depends on:
A. Concentration of one reactant
B. Temperature only
C. Catalyst only
D. Pressure only
62. Which quantity remains unchanged during a chemical
reaction?
A. Mass
B. Volume
C. Temperature
D. Pressure
63. The catalyst used in the Ostwald process is:
A. Iron
B. Platinum-Rhodium gauze
C. Nickel
D. Vanadium pentoxide
Inorganic Chemistry
64. The electronic configuration of chlorine (Z = 17) is:
A. 2,8,7
B. 2,7,8
C. 2,8,8
D. 2,6,9
65. Which of the following has the highest
electronegativity?
A. Chlorine
B. Oxygen
C. Fluorine
D. Nitrogen
66. The oxidation state of manganese in KMnO₄ is:
A. +4
B. +5
C. +6
D. +7
67. The process used for the extraction of aluminium from
alumina is:
B. Bessemer process
C. Contact process
D. Haber process
68. Which of the following is an amphoteric hydroxide?
A. NaOH
B. Ca(OH)₂
C. Al(OH)₃
D. KOH
69. The major ore of zinc is:
A. Galena
B. Zinc blende
C. Haematite
D. Bauxite
70. Bronze is an alloy of:
A. Copper and Zinc
B. Copper and Tin
C. Iron and Carbon
D. Aluminium and Copper
Organic Chemistry
71. The IUPAC name of CH₃CHO is:
A. Methanal
B. Ethanal
C. Ethanone
D. Ethanol
72. Which hydrocarbon undergoes addition reactions most
readily?
A. Methane
B. Ethane
C. Ethene
D. Benzene
73. Which functional group is present in ketones?
A. –CHO
B. –OH
C. >C=O
D. –COOH
74. The monomer of PVC is:
A. Ethene
B. Vinyl chloride
C. Styrene
D. Propene
75. Which vitamin is synthesized in the human skin in the
presence of sunlight?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
76. Which polymer is used in non-stick cookware?
A. Nylon
B. Bakelite
C. Teflon
D. PVC
77. The major constituent of natural gas is:
A. Ethane
B. Methane
C. Propane
D. Butane
Environmental Chemistry
78. The main cause of ozone depletion is:
A. SO₂
B. CFCs
C. CO₂
D. NO₂
79. Which gas is mainly responsible for acid rain?
A. CO₂
B. SO₂
C. O₂
D. H₂
80. Greenhouse gases include:
A. CO₂ and CH₄
B. O₂ and N₂
C. He and Ne
D. Ar and Kr
Applied Chemistry
81. The formula of washing soda is:
A. Na₂CO₃·10H₂O
B. NaHCO₃
C. CaCO₃
D. NaCl
82. Which acid is present in vinegar?
A. Citric acid
B. Acetic acid
C. Oxalic acid
D. Tartaric acid
83. Galvanization is the process of coating iron with:
A. Copper
B. Zinc
C. Tin
D. Aluminium
84. Which gas is evolved when dilute hydrochloric acid
reacts with zinc?
A. Oxygen
B. Chlorine
C. Hydrogen
D. Carbon dioxide
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Answer |
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No. |
Answer |
|
57 |
A |
64 |
A |
71 |
B |
78 |
B |
|
58 |
B |
65 |
C |
72 |
C |
79 |
B |
|
59 |
C |
66 |
D |
73 |
C |
80 |
A |
|
60 |
B |
67 |
A |
74 |
B |
81 |
A |
|
61 |
A |
68 |
C |
75 |
C |
82 |
B |
|
62 |
A |
69 |
B |
76 |
C |
83 |
B |
|
63 |
B |
70 |
B |
77 |
B |
84 |
C |
PEDAGOGY & EVALUATION (Questions 85–100)
Latest Odisha SSB Pattern | Higher Difficulty
Educational Psychology
85. According to Piaget, hypothetical and abstract reasoning
develops during the:
A. Sensorimotor stage
B. Pre-operational stage
C. Concrete operational stage
D. Formal operational stage
86. The concept of Zone of Proximal Development (ZPD) is
associated with:
A. Jean Piaget
B. Lev Vygotsky
C. Jerome Bruner
D. B.F. Skinner
87. Which psychologist proposed the theory of Operant
Conditioning?
A. Ivan Pavlov
B. B.F. Skinner
C. Edward Thorndike
D. Albert Bandura
88. Howard Gardner is known for the theory of:
A. Emotional Intelligence
C. Trial and Error Learning
D. Insight Learning
Learning & Teaching
89. Which learning theory emphasizes observation and
imitation?
A. Classical Conditioning
B. Social Learning Theory
C. Operant Conditioning
D. Insight Learning
90. The 5E Instructional Model begins with:
A. Explore
B. Explain
C. Engage
D. Elaborate
91. The teaching method that develops scientific attitude
and problem-solving ability most effectively is:
A. Lecture Method
B. Demonstration Method
C. Inquiry Method
D. Dictation Method
92. Which teaching aid is most suitable for demonstrating
the structure of DNA?
A. Blackboard
B. Chart
C. Three-dimensional model
D. Flash card
Assessment & Evaluation
93. Which type of assessment is conducted before instruction
to determine learners' readiness?
A. Formative Assessment
B. Diagnostic Assessment
C. Placement Assessment
D. Summative Assessment
94. Which of the following has the highest objectivity?
A. Essay Test
B. Short Answer Test
C. Multiple Choice Question
D. Long Answer Question
95. Bloom's revised taxonomy places "Create" at:
A. Lowest cognitive level
B. Middle cognitive level
C. Highest cognitive level
D. Affective domain
96. A test that gives consistent results on repeated
administration is said to have:
A. Validity
B. Reliability
C. Usability
D. Objectivity
Inclusive Education & ICT
97. Universal Design for Learning (UDL) primarily aims to:
A. Teach only gifted learners
B. Design learning suitable for all learners
C. Separate children with disabilities
D. Conduct online examinations only
98. ICT in science education is mainly used to:
A. Replace practical work completely
B. Improve visualization and interactive learning
C. Eliminate laboratory activities
D. Reduce classroom participation
NEP 2020 & Professional Ethics
99. NEP 2020 emphasizes the development of:
A. Memorization skills only
B. Competencies, critical thinking and experiential learning
C. Examination-oriented learning only
D. Teacher-centred instruction
100. An effective science teacher should:
A. Encourage curiosity, experimentation and inquiry
B. Depend only on lectures
C. Avoid student discussions
D. Discourage practical activities
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Answer |
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No. |
Answer |
|
85 |
D |
89 |
B |
93 |
C |
97 |
B |
|
86 |
B |
90 |
C |
94 |
C |
98 |
B |
|
87 |
B |
91 |
C |
95 |
C |
99 |
B |
|
88 |
B |
92 |
C |
96 |
B |
100 |
A |