Nine-tenth of all photosynthesis in the world (85-90%) is carried out by
Options
(a) large trees with millions of branches and leaves (b) algae of the ocean (c) chlorophyll containing ferns of forest […]
Night blindness is caused due to the deficiency of
Options
(a) vitamin K (b) vitamin B (c) vitamin E (d) vitamin A
Correct Answer:
vitamin A
Explanation:
Peyer’s patches are the aggregation of […]
Necrosis, or death of tissue particularly leaf tissue, is due to the deficiency of
Options
(a) N,K,S (b) N,K,Mg and Fe (c) Mn,Zn and Mo (d) Ca,Mg, Cu and K
Correct Answer:
Ca,Mg, […]
Naked DNA without histones is found in
Options
(a) prokaryotes (b) eukaryotes (c) Protozova (d) Coelenterta
Correct Answer:
prokaryotes
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Na⁺/K⁺ pumb is associated with
Options
(a) passive transport (b) active transport (c) osmosis (d) imbibition
Correct Answer:
active transport
Explanation:
No explanation available. Be the first to write the explanation for this […]
Movements of molecules of gases, liquids and solutes from a region of higher concentration to a region of lower concentration is termed as
Options
(a) evaporation (b) osmosis (c) transpiration (d) diffusion
Correct […]
Movement of touch is called
Options
(a) lithotropism (b) thigmotropism (c) phototropism (d) thermotropism
Correct Answer:
thigmotropism
Explanation:
Thigmotropism is a directional curvature movement of growth which is produced in response to the […]
Movement of stomatal opening and closing and opening of Oxalis flower share the common feature that both are
Options
(a) photonastic (b) thigmonastic (c) seismonastic (d) thermonastic
Correct Answer:
photonastic
Explanation:
Photonastic movement […]
Movement of Drosera is
Options
(a) thermonastic (b) seismonastic (c) photonastic (d) thigmonastic
Correct Answer:
thigmonastic
Explanation:
Thigmonastic movement due to touch. In Drosera movement is induced by contact of insect hence thigmonastic.
Most of the hydrolytic enzymes of lysosomes function at
Options
(a) neutral pH (b) basic pH (c) acidic pH (d) all of these
Correct Answer:
acidic pH
Explanation:
No explanation available. Be the […]
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