Photoperiodism was first characterised in:
Photoperiodism was first characterised in: Options (a) tobacco (b) potato (c) tomato (d) cotton Correct Answer: tobacco Explanation: Photoperiodism is…
7 years ago
Photosynthesis and Plant Growth
Cyclic photophosphorylation results in the formation of
Cyclic photophosphorylation results in the formation of Options (a) ATP and NADPH (b) ATP, NADPH and O₂ (c) ATP (d)…
7 years ago
The wavelength of light absorbed by Pr form of photochrome is
The wavelength of light absorbed by Pr form of phytochrome is Options (a) 680 nm (b) 720 nm (c) 620…
7 years ago
Of the total incident solar radiation the proportion of PAR is:
Of the total incident solar radiation the proportion of PAR is: Options (a) about 70% (b) about 60% (c) less…
7 years ago
Pigment-containing membranous extension in some cyanobacteria are:
Pigment-containing membranous extensions in some cyanobacteria are: Options (a) Basal bodies (b) Pneumatophores (c) Chromatophores (d) Heterocysts Correct Answer: Chromatophores…
7 years ago
Importance of day length in flowering of plants was first shown in
Importance of day length in flowering of plants was first shown in Options (a) lemna (b) tobacco (c) cotton (d)…
7 years ago
A process that makes important difference between C and C plants is:
A process that makes important difference between C3 and C4 plants is: Options (a) Transpiration (b) Glycolysis (c) photosynthesis (d)…
7 years ago
C₄ plants are more efficient in photosynthesis than C₃ plants due to:
C₄ plants are more efficient in photosynthesis than C₃ plants due to: Options (a) Higher leaf area (b) Presence of…
7 years ago
Which one of the following is not used for ex-situ plant conservation?
Which one of the following is not used for ex-situ plant conservation? Options (a) Seed backs (b) Shifting cultivation (c)…
7 years ago
In leaves of C₄ plants malic acid synthesis during CO₂ fixation occurs in
In leaves of C₄ plants malic acid synthesis during CO₂ fixation occurs in Options (a) epidermal cells (b) mesophyll cells…
7 years ago