Biology

Ribosomes are classified according to their

Ribosomes are classified according to their Options (a) sedimation rate (b) size (c) weight (d) volume Correct Answer: sedimation rateExplanation:No…

Ribosome is made up of

Ribosome is made up of Options (a) DNA+protein (b) RNA+protein (c) RNA+lipid (d) RNA+phosphate Correct Answer: RNA+proteinExplanation:No explanation available. Be…

Rhizocalin is a additional hormonal substance which is secreted by

Rhizocalin is a additional hormonal substance which is secreted by Options (a) Cotyledons (b) Roots (c) Leaves (d) Stem Correct…

Response to contact is known as

Response to contact is known as Options (a) galvanotaxis (b) thigmotaxis (c) thermotaxis (d) rheotaxis Correct Answer: thigmotaxisExplanation:Thigmotropism is a…

Removal of seed coat in dormant seeds by mechanical methods is called

Removal of seed coat, in dormant seeds, by mechanical methods is called Options (a) separation (b) emasculation (c) venalization (d)…

Reduction of NADP takes place in

Reduction of NADP takes place in Options (a) cyclic photophosphorylation (b) non-cyclic photophosphorylation (c) oxidative photophosphorylation (d) non-oxidative photophosphorylation Correct…

Radial conduction of water takes place by

Radial conduction of water takes place by Options (a) vessels (b) vessels and tracheids (c) phloem (d) ray parenchyma cells…

Rackers particles are found in

Rackers particles are found in Options (a) chromosome (b) mitochondria (c) nucleus (d) Golgi body Correct Answer: mitochondriaExplanation:No explanation available.…

Purkinje fibre is found in

Purkinje fibre is found in Options (a) nephrons of kidneys (b) conduction system of heart (c) brain (d) sensation of…

Purines possess nitrogen at

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…