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 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 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 multicellular organisms, the 70S ribosomes are found in which parts of the cell
Options
(a) lysosomes (b) mitochondria (c) nucleus (d) endoplasmic reticulum
Correct Answer:
mitochondria
Explanation:
No explanation available. Be the first […]
In mitochondria, cristae act as sites for
Options
(a) protein synthesis (b) breakdown of macromolecules (c) oxidation – reduction reaction (d) phosphorylation and flavoproteins
Correct Answer:
oxidation – reduction reaction
Explanation:
No explanation available. […]
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 […]
In mammals, the digestion of starch starts from
Options
(a) mouth (b) oesophagus (c) stomach (d) duodenum
Correct Answer:
mouth
Explanation:
The digestion of starch (carbohydrate) is initiated in mouth due to the action […]
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 Kreb’s cycle, energy is
Options
(a) energy is stored in the form of ATP (b) energy is stored in the form of ADP (c) energy is liberated from ATP (d) energy is liberated […]
In hypertonic solution, the water potential of a cell
Options
(a) decreases (b) increases (c) first increases and then decreases (d) doesn’t change
Correct Answer:
decreases
Explanation:
No explanation available. Be the first to […]
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