In purple and green bacteria, oxygen is not evolved during photosynthesis because hydrogen donor is
Options
(a) H₂O (b) NH₃ (c) H₂S (d) CH₄
Correct Answer:
H₂S
Explanation:
Purple and green bacteria are photoautotrophic […]
In photosynthesis energy from light reaction to dark reaction is transferred in the form of
Options
(a) ADP (b) ATP (c) RuDP (d) Chlorophyll
Correct Answer:
ATP
Explanation:
No explanation available. Be the first […]
In photosynthesis, oxygen comes from
Options
(a) soil (b) atmosphere (c) water (d) carbon dioxide
Correct Answer:
water
Explanation:
During non-cyclic photophosphorylation photolysis of water, release of O₂ and formation of NADPH takes place, […]
In photosystem, antennae comprises of all pigments except
Options
(a) chlorophyll-a (b) chlorophyll-b (c) carotenoids (d) xanthophyll
Correct Answer:
chlorophyll-a
Explanation:
Light Harvesting Complex includes: Antenna Molecule-The antenna molecule absorb light of various wavelengths […]
In maize, PEP -carboxylation reaction takes place in
Options
(a) epidermis (b) bundle sheath cells (c) mesophyll cells (d) bundle sheath and cortex
Correct Answer:
mesophyll cells
Explanation:
No explanation available. Be the first […]
In mesophyll of C₄ plants cells which of the following cycle takes place?
Options
(a) C₁ (b) C₃ (c) C₂ (d) C₄
Correct Answer:
C₄
Explanation:
No explanation available. Be the first to write […]
All life on earth derive its energy directly or indirectly from sun except
Options
(a) Mushroom and mould (b) Chemosynthetic bacteria (c) Symbiotic bacteria (d) Pathogenic bacteria
Correct Answer:
Chemosynthetic bacteria
Explanation:
Chemosynthetic bacteria […]
Emerson effect is associated with
Options
(a) respiration (b) transpiration (c) salt absorption (d) photosynthesis
Correct Answer:
photosynthesis
Explanation:
Emerson (1943) discovered the existence of two photosystems (PSI and PSII). Emerson conducted experiments where […]
Electro-osmotic theory for translocation of solutes was proposed by
Options
(a) Spanner (b) Bose (c) Watson (d) Deurjes
Correct Answer:
Spanner
Explanation:
No explanation available. Be the first to write the explanation for this […]
In higher plants, the shape of the chloroplast is
Options
(a) discoid (b) cup-shaped (c) girdle-shaped (d) reticular
Correct Answer:
discoid
Explanation:
In higher plants, the shape of the chloroplast is discoid. Chloroplast are […]
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