set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

More than 70% of world’s freshwater is contained in

a) glaciers and mountains

b) antarctica

c) polar ice

d) greenland

Question : 2

Which most often limits the primary productivity of the ecosystem ?

a) Oxygen

b) Consumers

c) Solar radiation/light

d) Nitrogen

Question : 3

10% law of flow of energy in ecosystem was proposed by

a) Carl Mobius

b) Tansley

c) Lindeman

d) Darwin

Question : 4

Which constituent of the atmosphere is likely to change if the forest cover is removed ?

a) CO₂ level is increased

b) O₂ level is significantly increases

c) O₂ level is increased

d) CO₂ level is significantly decreased

Question : 5

Which National park is the new home of the Indian onehorned rhinoceros ?

a) Jim Corbett

b) Kanha

c) Dudhwa

d) Bandhavgarh

Question : 6

Human population growth ________.

a) is currently in a logistic phase

b) is currently exponential

c) has an S-shaped curve

d) has reached carrying capacity