Ascent of high mountains may cause altitude sickness in man. Prime csuse of this is
Options
(a) Excess of CO₂ in blood (b) Decreased efficiency of haemoglobin (c) Decreased partial pressure of oxygen […]
As compared to rods the cones are….times less sensitive
Options
(a) 100 (b) 200 (c) 300 (d) 400
Correct Answer:
300
Explanation:
No explanation available. Be the first to write the explanation for […]
Artificial system of plant classification was proposed by
Options
(a) de Candolle (b) Engler & Prantle (c) Theophrastus (d) Bentham & Hooker
Correct Answer:
Theophrastus
Explanation:
The artificial systems of classification were based […]
Aroids store food in
Options
(a) Inflorescence (b) Enlarged root (c) Leaf bases (d) Swollen stem
Correct Answer:
Swollen stem
Explanation:
They store food material in the basal portion and formed new corms […]
Argentaffin cells are found in
Options
(a) Pancreas (b) Internal ear (c) Gastric glands (d) Liver
Correct Answer:
Gastric glands
Explanation:
Argentaffin cells are generally located at the base of gastric glands and […]
Aqueous and vitreous humour are divided by
Options
(a) lens (b) iris (c) retina (d) optic nerve
Correct Answer:
lens
Explanation:
Lens is a transparent,elastic and biconvex solid structure held in position by […]
Aquatic reptiles are
Options
(a) Ammonotelic (b) Ureotelic over land (c) Ureotelic (d) Ureotelic in water
Correct Answer:
Ureotelic
Explanation:
Ureotelic animals include mainly amphibians and mammals besides its annelids (earthworm) elasmo branch […]
Apical dominance is not affected by
Options
(a) Indole acetic acid (b) Gibberellic acid (c) Indole acetaldehyde (d) Indole butyric acid
Correct Answer:
Gibberellic acid
Explanation:
GA promote only plant elongation but the […]
Any damage to the prefrontal lobes of cerebrum will predominantly affect
Options
(a) personality (b) posture (c) speech (d) hearing
Correct Answer:
posture
Explanation:
The prefrontal lobes of cerebrum receives information on the […]
Antigens are present
Options
(a) Inside nucleus (b) On cell surface (c) Inside cytoplasm (d) On nuclear membrane
Correct Answer:
On cell surface
Explanation:
Antigen are present on cell surface and cause the […]
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