Compensation point is
Options
(a) Where there is neither photosynthesis nor respiration (b) When rate of photosynthesis is equal to the rate of respiration (c) When entire food synthesized into photosyntiesis remain utilized […]
CAM helps the plants in
Options
(a) Conserving water (b) Secondary growth (c) Disease resistance (d) Reproduction
Correct Answer:
Conserving water
Explanation:
Crassulacean acid metabolism (CAM) is photosynthesis by the C₄ pathway in […]
Calvin cycle occur in
Options
(a) Chloroplasts (b) Cytoplasm (c) Mitochondria (d) Glyoxysomes
Correct Answer:
Chloroplasts
Explanation:
Calvin cycle occurs in the stroma of chloroplasts where the products of light reaction (assimilatory power […]
Beat defined function of manganese in green plants is
Options
(a) Photolysis of water (b) Calvin cycle (c) Nitrogen fixation (d) Water absorption
Correct Answer:
Photolysis of water
Explanation:
Manganese (Mn²⁺) is used […]
A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rate of photosynthesis at high temperature and has improved efficiency of nitrogen utilization. In which of the following physiological groups […]
Who first demonstrated that light absorption by chloroplast releases oxygen?
Options
(a) Hill (b) Ingenhousz (c) Blackman (d) Englemann
Correct Answer:
Hill
Explanation:
No explanation available. Be the first to write the explanation […]
Who discovered that CO₂ is taken in and O₂ is released by green plants?
Options
(a) Meyer (b) Ingenhousz (c) Senebier (d) Priestly
Correct Answer:
Ingenhousz
Explanation:
No explanation available. Be the first […]
Which plants exhibits Kranz anatomy?
Options
(a) C₅ plants (b) C₃ plants (c) C₂ plants (d) C₄ plants
Correct Answer:
C₄ plants
Explanation:
Kranz anatomy is the characteristic of C₄ plants. The vertical […]
Which pigment of the plant takes part in light reaction of photosynthesis?
Options
(a) Xanthophyll (b) chlorophyll-a (c) carotene (d) phycoxanthin
Correct Answer:
chlorophyll-a
Explanation:
Chlorophyll a is present in all photosynthetic plants […]
Which of the following with respect to early experiments of photosynthesis is wrongly matched?
Options
(a) Joseph Priestley- Showed that plants release O₂ (b) Jan Ingenhousz – Showed that sunlight is essential for […]
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