Ribosomes are classified according to their
Options
(a) sedimation rate (b) size (c) weight (d) volume
Correct Answer:
sedimation rate
Explanation:
No explanation available. Be the first to write the explanation for this […]
Ribosome is made up of
Options
(a) DNA+protein (b) RNA+protein (c) RNA+lipid (d) RNA+phosphate
Correct Answer:
RNA+protein
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Rhizocalin is a additional hormonal substance which is secreted by
Options
(a) Cotyledons (b) Roots (c) Leaves (d) Stem
Correct Answer:
Leaves
Explanation:
Rhizocaline is also called as root forming hormone and it […]
Response to contact is known as
Options
(a) galvanotaxis (b) thigmotaxis (c) thermotaxis (d) rheotaxis
Correct Answer:
thigmotaxis
Explanation:
Thigmotropism is a directional curvature movement of growth which is produced in response to […]
Removal of seed coat, in dormant seeds, by mechanical methods is called
Options
(a) separation (b) emasculation (c) venalization (d) scarification
Correct Answer:
scarification
Explanation:
Scarification is rupturing of seed coats by abrasion […]
Reduction of NADP takes place in
Options
(a) cyclic photophosphorylation (b) non-cyclic photophosphorylation (c) oxidative photophosphorylation (d) non-oxidative photophosphorylation
Correct Answer:
non-cyclic photophosphorylation
Explanation:
Phosphorylation takes place in two ways-cyclic and noncyclic. In […]
Radial conduction of water takes place by
Options
(a) vessels (b) vessels and tracheids (c) phloem (d) ray parenchyma cells
Correct Answer:
ray parenchyma cells
Explanation:
Ray parenchyma cells are the living components […]
Rackers particles are found in
Options
(a) chromosome (b) mitochondria (c) nucleus (d) Golgi body
Correct Answer:
mitochondria
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Purkinje fibre is found in
Options
(a) nephrons of kidneys (b) conduction system of heart (c) brain (d) sensation of skin
Correct Answer:
conduction system of heart
Explanation:
Atrioventricular node (AV node) is […]
Purines possess nitrogen at
Options
(a) 1,2,4 and 6 positions (b) 1,3,5 and 7 positions (c) 1,3,7 and 9 positions (d) 1,2,6 and 8 positions
Correct Answer:
1,3,7 and 9 positions
Explanation:
No […]
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