ECG is used to study the disease related to ________.
(A) Blood
(B) Kidney
(C) Heart
(D) Brain
The mass density of Kerosene is:
(A) Less than water
(B) Same as water
(C) Greater than water
(D) None of these
Optics is the study of:
(A) Atmosphere
(B) Nature & Properties of light
(C) Insects
(D) Disease
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 pH of acid rain is
(A) More than 8
(B) 7
(C) Less than 5.5
(D) None
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
How many bones are found in children?
(A) 206
(B) 300
(C) 304
(D) 305
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
X-rays are _________ waves.
(A) Transverse
(B) Longitudinal
(C) Elastic
(D) Electromagnetic
When Arsenic atoms are added to Germanium Lattice it becomes a/an
(A) Insulator
(B) Superconductor
(C) Intrinsic semiconductor
(D) Extrinsic semiconductor
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