(A) Deficiency Diseases
(B) Infectious Diseases
(C) Physiological Diseases
(D) None of these
The answer is (B) Infectious Disease
Biosphere is defined as:
(A) Part of the earth, water and atmosphere inhabited by living organism
(B) Part of Soil inhabited by animals and Plants
(C) Atmosphere in which life exists
(D) None of these
The answer is (A) Part of the Earth, Water and Atmosphere inhabited by Living Organism
In which layer of the atmosphere are most of the clouds formed?
In which layer of the atmosphere are most of the clouds formed?
(A) Mesosphere
(B) Troposphere
(C) Stratosphere
(D) None of these
The answer is (B) Troposhpere
The hardness of a hammer made of aluminum is due to the presence of
(A) Ionic Bond
(B) Covalent Bond
(C) Metallic Bond
(D) None of these
The answer is (C) Metallic Bond
The extraction of metal from the ore is done by Smelting which involves:
(A) Heating and Chemical Reduction
(B) Heating and Oxidation
(C) Heating and Electrolysis
(D) None of these
The answer is (A) Heating and Chemical Reduction
Why does the sky appear blue?
(A) Due to scattering of light from atmosphere
(B) Due to color of cans in the atmosphere
(C) Due to the reflection from Earth’s Surface
(D) None of these
The answer is (A) Due to scattering of light from atmosphere
The term Light year refers to:
(A) Time that earth takes to complete one revolution around the Sun
(B) Distance of earth from the sun at which intensity of light is maximum
(C) Speed of light expressed in miles per year
(D) None of these
The answer is (D) None of these (Unit of Distance)
Contour is a measure of?
(A) Topography
(B) Rain Fall
(C) Temperature
(D) Pressure
The answer is (A) Topography
Deficiency of Vitamin-A results in ___?
(A) Night Blindness
(B) Rickets
(C) Scurvy
(D) Hair Fall
The answer is (A) Night Blindness
Solid which undergoes sublimation is?
(A) Argon
(B) Iodine
(C) Sodium Chloride
(D) Water
The answer is (B) Iodine