1. Which one of the following
energy is most utilized in biomass?
a) Atomic energy
b) Solar energy
c) Geothermal energy
d) Tidal energy
✔️b)
Solar energy
2. Consider the following
statements:
Assertion (A): Ecological productivity decreases from the equator towards
the poles.
Reason (R): Insolation rapidly decreases from the equator towards the
poles.
Select the correct answer from the
codes given below:
Codes:
a) Both A and R are true and R is the
correct explanation of A.
b) Both A and R are true but R is not
the correct explanation of A.
c) A is true but R is false.
d) A is false but R is true.
✔️a)
Both A and R are true and R is the correct explanation of A.
3. It is suggested by the doctors
that the person suffering from prostrates in the kidney or gallbladder should not consume excessively
the food stuffs like tomatoes, eggs, milk etc which are the major causes of the
crystal formation as the prostrates, which is made of:
a) Calcium phosphate
b) Calcium oxalate
c) Calcium chloride
d) Calcium sulphate
✔️b)
Calcium oxalate
4. In a forest, deer, raccoons,
squirrels, and other animals eat and find shelter. A detritus food web occurs
as their wastes accumulate on the forest floor. In this detritus web:
a) Deer and raccoons function as the
producers
b) Fungi and earthworms function as
producers
c) Decomposers function as consumers
d) The deer and raccoons represent
decomposers
✔️c)
Decomposers function as consumers
5. A sample of chloroform before
using as an anaesthetic, is tested by
a) Fehling’s solution
b) Ammonical cuprous chloride
c) Ammonical silver nitrate solution
d) Silver nitrate solution after
boiling with alcoholic KOH
✔️c) Ammonical silver nitrate solution
6. In a rural hilly district in
Himachal Pradesh, a land developer uses bulldozers to clear all but the largest
trees and cleans up a nearby stream, lining the bottm of the stream with pretty
park-like setting around his home. We expect that in this cleared yard, there
will be:
a) More species of invertebrates in the
stream and on the land but fewer species of vertebrates and plants everywhere
b) More mammal and plant species, but
fewer birds and invertebrates on the land and in the stream
c) Fewer species of vertebrates and
plants everywhere but more invertebrates in the stream
d) Fewer species of plants,
invertebrates, and vertebrates everywhere
✔️b)
More mammal and plant species, but fewer birds and invertebrates on the land
and in the stream
7. Living in the atmosphere of CO
is dangerous because it
a) Reduces organic matter of tissues
b) Dries up the blood
c) Combined with O2 present inside to
form CO2
d) Combines with haemoglobin and makes
it incapable of absorbing oxygen
✔️d)
Combines with haemoglobin and makes it incapable of absorbing oxygen
8. The partnership for Action on
Green Economy (PAGE), a UN mechanism to assist countries transition towards
greener and more inclusive economies, emerged at
a) The Earth Summit on Sustainable
Development 2002, Johannesburg
b) The United Nations Conference on
Sustainable Development 2012, Rio de Janeiro
c) The United Nations Framework
Convention on Climate Change 2015, Paris
d) The world Sustainable Development
Summit 2016, New Delhi
✔️b)
The United Nations Conference on Sustainable Development 2012, Rio de Janeiro
9. The target to reduce Infant
Mortality Rate [IMR] during eleventh plan period was kept at
a) 27 per 1000 live birth
b) 28 per 1000 live birth
c) 29 per 1000 live birth
d) 30 per 1000 live birth
✔️b)
28 per 1000 live birth
10. Which one of the following
adopted “Agenda 21”?
a) First Earth Summit
b) Summit on Sustainable Development
c) Montreal Protocol
d) Kyoto Protocol
✔️a) First Earth Summit