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NAT – IIB Botany (Bio Science)

NAT-IIB Test is for Students Who have Completed their 14 Years Education in Medical (Bio) Sciences and are looking for confirmation in College/University for Masters Degree.


Botany Sample Questions

1. The leaves of a plant living in arid conditions are needle-like in order to reduce water loss.
Which of the following organs of such plant perform photosynthesis instead of leaves?
A. Roots
B. Stem
C. Leaf hair
D. Flowers

2. Which of the following molecules is/are involved in oxidation-reduction reactions of
III. Plastoquinane
A. Only I
B. Only II
C. Both I & II
D. Both II & III

3. Which of the following has a pair of Alleles on its chromosomes?
A. Pollen grain
B. Embryonic sac
C. Human gamete
D. Bryophyte space

4. In the temperature ecosystem, the growth of plants and trees fall during:
A. Summer
B. Winter
C. Spring
D. Autumn

5. Of the following types of Ecosystem, which one would be biologically the most productive:
A. Ordinary agriculture lands
B. Shallow lakes
C. Coastal seas
D. Alluvial plains


(1) Stem
(2) Both II & III
(3) Embryonic sac
(4) Winter
(5) Alluvial plains

6. Sugarcane ( Saccharum officinarum) belongs to:
A. Gramineae
B. Leguminasea
C. Compositeae
D. Solanaceae

7. The botanical name of Kachnar is:
A. Saraca indica
B. Parkinsonia aculeate
C. Bauhinia variegatea
D. None of the above

8 NADH from the Krebs cycle is approximately equal to:
(a) 2 ATP
(b) 3 ATP
(c) 4 ATP
(d) 6 ATP
(e) None of these

9 In mitochondrial electron transport chains, the final c acceptor is:
(a) H2O
(b) H2O2
(c) NAD+
(d) FAD
(e) None of these

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10 The movement of water from cell to cell via plasmadesmata is called:
(a) Symplastic
(b) Transmembrane
(c) Apoplastic
(d) Facilitated
(e) None of these


(6) Gramineae
(7) Bauhinia variegatea
(8) 3 ATP
(9) None of these
(10) Apoplastic

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