Botany-CPMT MCQ Question and Answer
Botany-CPMT MCQ Question and Answer
11. Which of the following respiratory substrates has the highest value of respiratory quotient ?
- Glucose
- Protein
- Fats
- Malic acid
13. Which of the following statements is/are correct regarding microtubules ?
- They are about 200 A° to 270 A° in external diameter having an electron dense wall some 50A° to 70A° thick
- They can be considered as the universal components of eukaryotic cells
- They are usually found in rotating conditions
- All of the above statements are correct
14. The term ‘chromatophore’ was coined by—
- Garner and Allard
- W. Pfeffer
- Nawaschin
- Schmitz
15. 16. Phytotron is a device by which—
- Plants are grown in controlled environment
- Leaf fall occurs on abscission layer
- Mutations are produced in plants especially during spores formation
- Protons are liberated after photosynthesis
16. Annual (growth) rings are formed by the activity of—
- Xylem
- Phloem
- Both (A) and (B)
- Cambium
17. The chief components of Hill’s reaction used in Blackmann’s reactions are—
- ATP and ADP
- ATP and NADPH2
- NADP and ADP
- ATP and NADH2
18. The process of the escape of liquid from the tip of uninjured leaf is called—
- Transpiration
- Osmosis
- Guttation
- Evaporation
19. The primitive type of stomata are found in—
- Leaves of moss plants
- Xerophytic leaves
- Apophysis of capsule
- Dorsiventral leaves of monocot
20. Long dark periods of short day plants (SDPs), if interrupted by a brief exposure of red light (660 μ) the flowering is—
- Inhibited
- Vigorous
- Promoted
- None of the above