Constellations referred to as zodiac, are__________
(A) Imaginary regions that encompass the path of the planets
(B) Signs of Roman gods
(C) A group of stars
(D) None of these
‘Black holes’ refers to_______________
(A) Holes occurring in heavenly bodies
(B) Bright spots on the sun
(C) Collapsing object of high density
(D) Collapsing object of low density
The phases of the moon are partially the result of the____________
(A) Changes in the shape of the moon
(B) Revolution of the moon around the earth
(C) Variations in the moon’s gravitation
(D) Variations in the speed of rotation of the moon
The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it
(A) 10%
(B) 20%
(C) 30%
(D) 50%
What is the temperature at the center of the Sun
(A) 6 million °C
(B) 10 million °C
(C) 15 million °C
(D) 20 million °C
What is the mass of the Sun
(A) 1.5×10 Power 30 Kg
(B) 1.98×10 Power 30 Kg
(C) 4.5×10 Power 30 Kg
(D) 8×10 Power 30 Kg
Pollutants that are introduced into the environment by human activity are called as ___________
(A) Qualitative pollutants
(B) Quantitative pollutants
(C) Anthropogenic pollutants
(D) All of Above
Basidiospores are considered to be a major source of ___________
(A) airborne allergens
(B) water borne allergens
(C) animal faeces
(D) bio-weapon
Most important effect of the moon on earth is that it___________
(A) Causes weather change
(B) Causes earthquakes
(C) Causes solar and lunar eclipse
(D) Effects tides of the ocean