Enzymes of TCA cycle are present in
Options
(a) Chloroplast (b) Mitochondria (c) Ribosomes (d) Nucleus
Correct Answer:
Mitochondria
Explanation:
The Kreb’s cycle is also named as citric acid or tricarboxylic acid (TCA) […]
Entry of mineral ions in plant root cells by diffusion is
Options
(a) Passive absorption (b) Active absorption (c) Osmosis (d) Endocytosis
Correct Answer:
Passive absorption
Explanation:
This type of absorption is carried […]
Energy released by carbohydrate, fats, protein is
Options
(a) 4.1, 9.45, 5.65 (b) 4.1, 5.65, 9.40 (c) 5.4, 6.5, 8.9 (d) 5.0, 7.8, 10.5
Correct Answer:
4.1, 9.45, 5.65
Explanation:
Carbohydrate and fats […]
Energy for nerve conduction is provided by
Options
(a) ATP (b) Na+ (c) Ca++ (d) creatinine
Correct Answer:
ATP
Explanation:
Energy for nerve impulse conduction is provided by hydrolysis of ATP by ATPase […]
Endosperm is consumed by developing embryo in the seed of
Options
(a) Pea (b) Maize (c) Coconut (d) Castor
Correct Answer:
Pea
Explanation:
In some seeds, during the process of the development of […]
End products of areobic respiration are
Options
(a) Sugar and oxygen (b) Water and energy (c) Carbon dioxide, water and energy (d) Carbon dioxide and energy
Correct Answer:
Carbon dioxide, water and energy
End product of citric acid/Krebs cycle is
Options
(a) Citric acid (b) Lactic acid (c) Pyruvic acid (d) CO ₂+H₂O
Correct Answer:
CO ₂+H₂O
Explanation:
The two molecules of pyruvate are completely degraded […]
Emerson’s enhancement effect and Red drop have been instrumental in the discovery of
Options
(a) Photophosphorylation and non-cyclic electron transport (b) Two photosystems operating simultaneously (c) Photophosphorylation and cyclic electron transport (d) Oxidative […]
Electron microscopic studies of the sarcomeres have revealed that during muscle contraction
Options
(a) The width of A-band remains constant (b) The width of the H-zone becomes smaller (c) The width of I-band […]
Electroencephalography is used to map regions of brain activity associated with
Options
(a) tumours (b) trauma (c) epilepsy (d) all of these
Correct Answer:
all of these
Explanation:
EEG is an non-invasive electrically […]
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