Which among the following is not an Enzyme?
(A) Trypsin
(B) Gastrin
(C) Pepsin
(D) Rennin
The ambient air is stable when the ambient lapse rate is
(A) Neutrally stable
(B) Hyper-adiabatic
(C) Sub-adiabatic
(D) Super-adiabatic
Which one of the following does not form oxyacid?
(A) Sulphur
(B) Chlorine
(C) Nitrogen
(D) Fluorine
The nuclear particle having no mass and no charge, but only spin is
(A) proton
(B) neutron
(C) meson
(D) electron
When Arsenic atoms are added to Germanium Lattice it becomes a/an
(A) Insulator
(B) Superconductor
(C) Intrinsic semiconductor
(D) Extrinsic semiconductor
Persons suffering from myopia are advised to use
(A) Convex lens
(B) Concave lens
(C) Plano-convex lens
(D) Plano-concave lens
It is possible to store pollen grains of a large number of species for year’s in-
(A) Liquid hydrogen
(B) Liquid oxygen
(C) Solid hydrogen
(D) Liquid nitrogen
Once the mass of a solid is doubled, its density is-
(A) will be four times
(B) will be doubled
(C) will be halved
(D) will remain unchanged
A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?
(A) Spore
(B) Sporocyst
(C) Pollen
(D) Sperm
The mass density of Kerosene is:
(A) Less than water
(B) Same as water
(C) Greater than water
(D) None of these
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