Year-wise Biology practice
RE-NEET 2026 Biology PYQs Check your understanding, bookmark questions and revisit your mistakes.
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90 questions in this collection · Page 1 of 9
Human Health And Disease
Mad cow disease is caused by
A Prions B Viroids C Aspergillus sp. D Mycoplasma sp.
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Mad cow disease (Bovine Spongiform Encephalopathy) is caused by infectious protein particles called prions. They do not contain nucleic acids and induce abnormal folding of normal proteins.
Photosynthesis In Higher Plants
Which pigment has absorption peak at 700 nm in the photosynthetic reaction centre PS I (P700)?
A Chlorophyll b B Chlorophyll a C Xanthophylls D Carotenoids
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The reaction centre of Photosystem I is P700, a special form of chlorophyll a that absorbs light maximally at 700 nm.
Breathing And Exchange Of Gases
In water, frogs respire using ________.
A skin B buccal cavity C lungs D trachea
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During aquatic life frogs mainly perform cutaneous respiration through their moist skin.
Locomotion And Movement
Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans?
A Femur-tibia-patella-tarsal B Patella-femur-tibia-tarsal C Femur-patella-tibia-tarsal D Femur-tarsal-patella-tibia
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The lower limb consists of femur, patella, tibia-fibula and then the tarsal bones of the foot.
Morphology Of Flowering Plants
Phyllotaxy is the pattern of arrangement of _________.
A leaves B flowers C fruits D sepals
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Phyllotaxy refers to the arrangement of leaves on the stem or branch of a plant.
Biomolecules
Match List-I with List-II.
List-I
List-II
A. Starch
I. Fights infection
B. Antibody
II. Energy storage
C. Concanavalin A
IV. Lectin
D. Glut-4
III. Glucose transport
Choose the correct answer from the options given below:
A A-I, B-II, C-III, D-IV B A-II, B-I, C-IV, D-III C A-II, B-I, C-III, D-IV D A-I, B-II, C-IV, D-III
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Starch is an energy storage polysaccharide, antibodies fight infection, Concanavalin A is a lectin, and GLUT-4 transports glucose.
Animal Kingdom
Given below are two statements:
A Both Statement I and Statement II are correct B Both Statement I and Statement II are incorrect C Statement I is correct but Statement II is incorrect D Statement I is incorrect but Statement II is correct
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Adult echinoderms are radially symmetrical, whereas larvae are bilaterally symmetrical.
Cell The Unit Of Life
Endomembrane system includes _______.
A endoplasmic reticulum, Golgi complex, lysosomes and vacuole B endoplasmic reticulum, chloroplast, peroxisomes and vacuole C mitochondria, chloroplast, peroxisomes and vacuole D Golgi complex, chloroplast, peroxisomes and vacuole
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The endomembrane system comprises the endoplasmic reticulum, Golgi apparatus, lysosomes and vacuoles.
Respiration In Plants
How many molecules of pyruvic acid are produced at the end of glycolysis from 206 molecules of glucose?
A 206 B 309 C 103 D 412
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Each molecule of glucose produces two molecules of pyruvic acid during glycolysis. Therefore, 206 glucose molecules produce 412 pyruvic acid molecules.
Plant Growth And Development
Which of the following plant growth regulators is used as herbicide?
A 2,4-D B Kinetin C Abscisic acid D Gibberellin
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2,4-D is a synthetic auxin widely used as a selective herbicide for controlling broad-leaved weeds.
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