(A) 32.3
(B) 11.5
(C) 20
(D) 10.4
Author:
The chief atmospheric layer present near the surface of the earth is?
(A) Ionosphere
(B) Mesosphere
(C) Troposphere
(D) Stratosphere
A specie that can inhabit different geographical areas is known as?
(A) Allopatric
(B) Sympatric
(C) Sibling
(D) Biospecie
Polymorphism is a characteristic of phylum?
(A) Cnidaria
(B) Nematoda
(C) Annelida
(D) None of the above
Savannah are?
(A) Tropical rain forest
(B) Dense forest with closed canopy
(C) Grassland with scattered trees
(D) Grassland with closely grown trees
Identify the pollutant responsible for the curling of leaves?
(A) O3
(B) CO
(C) H2S
(D) SO2
Terrestrial biodiversity is found to be greater near the __.
(A) North pole
(B) South pole
(C) Equator
(D) Tropics of cancer
___ gland is pea sized.
(A) Adrenal
(B) Pituitary
(C) Hypothalamus
(D) Pancrease