In photosynthesis oxygen comes from

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

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

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 […]

Emerson effect is associated with

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 […]

In higher plants the shape of the chloroplast is

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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