The first stable compound in Hatch Slack pathway is
Options
(a) phosphoglyceric acid (b) lactic acid (c) oxalo acetic acid (d) none of the above
Correct Answer:
oxalo acetic acid
Explanation:
No explanation […]
The first stable compound formed during C₃ cycle is
Options
(a) glycolate (b) formaldehyde (c) phosphoglyceric acid (d) phosphoglyceraldehyde
Correct Answer:
phosphoglyceric acid
Explanation:
In C₃ plants, the carbon dioxide combines with ribulose […]
The First reaction in photorespiration is
Options
(a) carboxylation (b) oxygenation (c) decarboxylation (d) phosphorylation
Correct Answer:
oxygenation
Explanation:
While doing studies on plant productivity it was found that a considerable proportion of […]
The first action spectrum of photosynthesis which was described by Engelmann was related
Options
(a) Algae (b) Mint plant (c) Bacteria (d) Bryophytes
Correct Answer:
Algae
Explanation:
Algae (Cladophora). TW Engelmann (1843-1909) did […]
The first acceptor of carbondioxide in C₄ plants is
Options
(a) malic acid (b) oxaloacetic acid (c) aspartic acid (d) phosphoenol pyruvic acid
Correct Answer:
phosphoenol pyruvic acid
Explanation:
No explanation available. Be […]
The factor most important in regulating transpiration is
Options
(a) temperature (b) light (c) wind (d) relative humidity
Correct Answer:
temperature
Explanation:
Temperature is the most important factor that regulates transpiration. Transpiration takes […]
The F₀ – F₁ sub unit combination of particles borne by the inner membrane of mitochondria function as
Options
(a) glycolytic enzymes (b) ATP synthetase (c) mRNA (d) circular DNA
Correct Answer:
ATP […]
The enzymes ribulose biphosphate carboxylase-oxygenase and phosphoenol pyruvate carboxylase are activated by
Options
(a) Mg (b) Zn (c) Mo (d) Mn
Correct Answer:
Mg
Explanation:
No explanation available. Be the first to write […]
The electron lost by P₆₈₀ in the light reaction of photosynthesis is finally gained by
Options
(a) NADP (b) NADPH (c) ATP (d) ADP
Correct Answer:
NADPH
Explanation:
In noncyclic photophosphorylation electrons liberated […]
The degree of opening of stomata is determined by
Options
(a) Porometer (b) Calorimeter (c) Potometer (d) Porometer & Calorimeter & Potometer
Correct Answer:
Porometer & Calorimeter & Potometer
Explanation:
No explanation available. […]
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