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NEET Biology RE-NEET 2026 PYQs
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90 questions in RE-NEET 2026
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.
Show explanation
In gymnosperms, both male and female gametophytes develop within the sporangia, and their seeds are naked (not enclosed in fruits).
Match List-I with List-II.
List-I
List-II
A. Spherical
I. Vibrio
B. Rod
II. Cocci
C. Comma
III. Spirilla
D. Spirillum
IV. Bacilli
Choose the correct answer from the options given below:
A
A-I, B-III, C-II, D-IV
B
A-III, B-II, C-I, D-IV
C
A-II, B-I, C-IV, D-III
D
A-II, B-IV, C-I, D-III
Show explanation
Spherical bacteria are cocci, rod-shaped are bacilli, comma-shaped are vibrio and spiral-shaped are spirilla.
Which of the following are characteristic features of Solanaceae family?
A
(a), (b) and (c) only
B
(d) only
C
(a) and (b) only
D
(b), (c) and (d) only
Show explanation
Solanaceae flowers are bisexual, actinomorphic, pentamerous, epipetalous and possess a superior ovary.
Select the correct sequence of experiments that led to a gradual understanding of photosynthesis in green plants.
A
Absorption spectra of chlorophyll a and b → production of glucose → release of oxygen → role of air
B
Role of air → release of oxygen → production of glucose → absorption spectra of chlorophyll a and b
C
Release of oxygen → production of glucose → absorption spectra of chlorophyll a and b → role of air
D
Production of glucose → role of air → release of oxygen → absorption spectra of chlorophyll a and b
Show explanation
The understanding of photosynthesis progressed from proving the role of air, to oxygen evolution, carbohydrate formation and finally pigment absorption studies.
The number of action potentials generated by sino-arterial node (SAN) in a healthy human is _______ per minute.
A
28 – 30
B
70 – 75
C
100 – 110
D
120 – 140
Show explanation
The sinoatrial (SA) node normally generates 70–75 action potentials per minute and acts as the natural pacemaker of the human heart.
How many turns of Calvin cycle are required for the formation of three molecules of glucose?
A
6
B
3
C
1
D
18
Show explanation
Six turns of the Calvin cycle produce one glucose molecule. Therefore, three glucose molecules require 18 turns.
Which of the following statements is incorrect?
A
Blood coagulates in response to an injury
B
Blood clot consists of fibrins
C
Fibrin is produced from fibrinogen
D
Fibrinogen is produced from fibrin
Show explanation
Fibrin is formed from fibrinogen during blood clotting, not the other way around.
Match List-I with List-II.
List-I
List-II
A. Family
I. Sapindales
B. Genus
II. Dicotyledonae
C. Class
III. Anacardiaceae
D. Phylum
IV. Angiospermae
E. Order
V. Mangifera
Choose the correct answer from the options given below:
A
A-I, B-V, C-II, D-IV, E-III
B
A-II, B-I, C-III, D-IV, E-V
C
A-II, B-III, C-V, D-I, E-IV
D
A-III, B-V, C-II, D-IV, E-I
Show explanation
Anacardiaceae is the family, Mangifera is the genus, Dicotyledonae is the class, Angiospermae is the phylum (division), and Sapindales is the order.
Arrange the following taxonomic categories in ascending order.
A
(g), (a), (e), (c), (b), (d), (f)
B
(a), (c), (d), (g), (f), (b), (e)
C
(g), (c), (d), (b), (e), (a), (f)
D
(f), (c), (b), (g), (d), (e), (a)
Show explanation
The ascending taxonomic hierarchy is Species → Genus → Family → Order → Class → Phylum → Kingdom.
Match List-I with List-II.
List-I
List-II
A. Marginal placentation
I. Argemone
B. Axile placentation
II. Tomato
C. Parietal placentation
III. Primrose
D. Free central placentation
IV. Pea
Choose the correct answer from the options given below:
A
A-II, B-IV, C-I, D-III
B
A-IV, B-II, C-III, D-I
C
A-IV, B-III, C-I, D-II
D
A-IV, B-II, C-I, D-III
Show explanation
Pea shows marginal placentation, tomato axile, Argemone parietal and Primrose free central placentation.
