Questions

Deciduous forests are characterised by

Deciduous forests are characterised by Options (a) presence of a variety of grasses growing together (b) presence of a variety…

Food and space, the major limiting factors of an animal population, operate

Food and space, the major limiting factors of an animal population, operate through which of the following determinants to bring…

Identify the plant belonging to the reed-swamp stage in hydrarch succession.

Identify the plant belonging to the reed-swamp stage in hydrarch succession. Options (a) Juncus (b) Sagittaria (c) Salix (d) Trapa…

A hormone delaying sencescence is

A hormone delaying sencescence is Options (a) auxin (b) cytokinin (c) ethylene (d) gibberellin Correct Answer: cytokininExplanation:No explanation available. Be…

Auxanometer is used to detect

Auxanometer is used to detect Options (a) respiration (b) transpiration (c) plant movement (d) growth Correct Answer: growthExplanation:No explanation available.…

Cytokinin synthesis is maximum in

Cytokinin synthesis is maximum in Options (a) leaves (b) roots (c) fruit (d) shoot tip Correct Answer: rootsExplanation:No explanation available.…

Foolish seedling disease of rice led to the discovery of

Foolish seedling disease of rice led to the discovery of Options (a) abscisic acid (b) cytokinin (c) 2,4-D (d) gibberellin…

Bone marrow is absent in

Bone marrow is absent in Options (a) fishes (b) birds (c) reptilia (d) amphibia Correct Answer: birdsExplanation:No explanation available. Be…

Liver and pancreas of frog and rabbit are derived from

Liver and pancreas of frog and rabbit are derived from Options (a) ectoderm (b) mesoderm (c) endoderm (d) mesoderm and…

The excretory material of marine bony fish is

The excretory material of marine bony fish is Options (a) ammonia (b) amino acid (c) urea (d) protein Correct Answer:…