Q. 106. Which of the following is not an example of recyclable resources?
(A) Fossil fuel
(B) Wind
(C) Water
(D) Metals
Answer:
(A) Fossil fuel
Explanation:
Fossil fuels (coal, oil, natural gas) are non-renewable and non-recyclable resources that take millions of years to form and are consumed permanently upon use.
Q. 107. Which of the following is a major cause of land degradation in Punjab?
(A) Intense Cultivation
(B) Over irrigation
(C) Deforestation
(D) Overgrazing
Answer:
(B) Over irrigation
Explanation:
In states like Punjab and Haryana, over-irrigation has caused severe waterlogging, which leads to an increase in salinity and alkalinity in the soil, resulting in land degradation.
Q. 108. Pink head duck is an example of:
(A) Extinct species
(B) Rare species
(C) Endemic species
(D) Vulnerable species
Answer:
(A) Extinct species
Explanation:
The pink-headed duck is widely considered an extinct species as it has not been conclusively sighted in the wild since the 1930s.
Q. 109. Black soil is good for growing:
(A) Rice
(B) Wheat
(C) Cotton
(D) Sugar cane
Answer:
(C) Cotton
Explanation:
Black soil, also known as ‘regur’ soil, is exceptionally well-suited for cotton cultivation due to its high moisture-retention capacity.
Q. 110. Which of the following countries is the largest consumer of coal in the world?
(A) India
(B) Russia
(C) Canada
(D) China
Answer:
(D) China
Explanation:
China is by far the largest consumer and producer of coal in the world, primarily using it to generate electricity and fuel its vast industrial sector.
