Botany MCQs

Botany MCQs

1. From the Krebs cycle, NADH is equal to:
A. 7 ATP
B. 5 ATP
C. 3 ATP
D. 9 ATP

Answer - Click Here:
C

2. What is a nucleoside?
A. Pyramidine + purine + phosphate
B. Purine + sugar + phosphate
C. purine/pyramidine + phosphate
D. purine/pyramidine + sugar

Answer - Click Here:
D

3. The final c acceptor in mitochondrial electron transport chains is:
A. NAD+
B. FAD
C. H2O
D. None of these

Answer - Click Here:
D

4. ________ includes feather stigma in it:
A. Wheat
B. Poppy
C. Pea
D. Hibiscus

Answer - Click Here:
A

5. Water movement from cell to cell through plasmadesmata is:
A. Facilitated
B. Apoplastic
C. Transmembrane
D. Symplastic

Answer - Click Here:
B

6. What is the process of water exudation through hydathodes called:
A. Evaporation
B. Bleeding
C. Guttation
D. Transpiration

Answer - Click Here:
C

7. The CO2 fixation mechanism in maize plant is known as:
A. CAM pathway
B. C3 – C4 intermediate
C. C3 pathway
D. C4 pathway

Answer - Click Here:
D

8. In which family, basal placentation is found?
A. Fabaceae
B. Asteraceae
C. Malvaceae
D. Solanaceae

Answer - Click Here:
B

9. What are the salt-loving plants called:
A. Xerophytes
B. Mesophytes
C. Glycophytes
D. Halophytes

Answer - Click Here:
D

10. Where are the insectivorous plants grow:
A. Carbohydrate-rich soil
B. Potassium deficient soil
C. Nitrogen deficient soil
D. Nitrogen-rich soil

Answer - Click Here:
C

11. The water potential of the system _________ with the addition of the solution to a liquid system:
A. Decreases
B. Increases
C. Remains variable
D. Remains stable

Answer - Click Here:
A

12. What does benthos mean in a pond ecosystem?
A. All phytoplankton’s
B. Primary consumes in the bottom of a pond
C. Large fishes eating small ones
D. Zooplanktons on a water surface

Answer - Click Here:
B