In human percent of body weight of carbohydrates, lipids and proteins respectively is
Options
(a) 1, 15, 17 (b) 15, 17, 7 (c) 7, 17, 15 (d) 17, 15, 7
Correct Answer:
1, 15, […]
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 […]
In higher plants, continuity of cytoplasm from one cell to its neighbouring cells is established through
Options
(a) apoplast (b) chloroplast (c) leucoplast (d) symplast
Correct Answer:
symplast
Explanation:
No explanation available. Be the […]
In germinating seed food supply is done by
Options
(a) auxin (b) gibberellin (c) cytokinin (d) ethylene
Correct Answer:
gibberellin
Explanation:
Gibberelin promotes seeds germination. During seed germination, especially of cereals, gibberelins stimulate the […]
In flagellar membrane which enzyme catalyses ATP?
Options
(a) cytoplasmic dynein (b) as conic dynein (c) kinesis (d) myosin
Correct Answer:
as conic dynein
Explanation:
No explanation available. Be the first to write the […]
In cockroach, the ootheca is formed by the secretion of
Options
(a) phallic gland (b) collaterial gland (c) mushroom gland (d) conglobate gland
Correct Answer:
collaterial gland
Explanation:
No explanation available. Be the first […]
In cell cycle, during which phase, chromosomes are arranged in equatorial plate?
Options
(a) telophase (b) prophase (c) metaphase (d) anaphase
Correct Answer:
metaphase
Explanation:
No explanation available. Be the first to write the […]
In C₄- plants, the carbon dioxide fixation occurs in
Options
(a) guard cells (b) spongy cells (c) palisade cells (d) bundle sheath cells
Correct Answer:
bundle sheath cells
Explanation:
In C₄-plants, bundle sheath chloroplast […]
In C₄ plants, the bundle sheath cells
Options
(a) have thin walls to facilitate gaseous exchange (b) have large intercellular spaces (c) are rich in PEP carboxylase (d) have a high density of chloroplasts
In bacterial photosynthesis, photosystem involved is/are
Options
(a) Only PS-I (b) Only PS-II (c) Both PS-I and PS-II (d) Either PS-I or PS-II
Correct Answer:
Either PS-I or PS-II
Explanation:
In bacteria only one […]
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