This set of Class 12 Biology Chapter 16 Multiple Choice Questions & Answers (MCQs) focuses on “Environmental Issues – Deforestation”.
1. What is the process of removal of forest cover of an area called?
a) Afforestation
b) Deforestation
c) Pollution
d) Greenhouse effect
View Answer
Explanation: The process of removal of forest covers of an area that is the conversion of forested areas to non-forested ones is known as deforestation. Almost 40 percent of forests in the tropics compared 1 percent in the temperate region have been lost due to this.
2. By the end of the twentieth century what percent of the land of India was covered by forests?
a) 19.4 %
b) 30.3 %
c) 50.5 %
d) 56.8 %
View Answer
Explanation: Almost 30 percent of the land in India was covered by forests at the beginning of the twentieth century. This was reduced to 19.4 percent at the end of the century. The main reason for this depletion was increasing deforestation due to the increase in the human population.
3. In which of the following process the farmers cut down the trees of the forest and burn the plant remains?
a) Room cultivation
b) Jhum cultivation
c) Crop cultivation
d) Afforestation
View Answer
Explanation: The process of growing crops by cutting down the trees and vegetation of the forest and burning the plant remains for agriculture is known as jhum cultivation. It is also known as the slash and burn agriculture and is mostly practiced in the north-eastern states of India.
4. Which one of the following is known as the slash and burn agriculture?
a) Afforestation
b) Crop cultivation
c) Room cultivation
d) Jhum cultivation
View Answer
Explanation: The slash and burn agriculture includes growing crops by cutting down the trees and vegetation of the forest and burning the plant remains for agricultural use. It is also known as the jhum cultivation and is mostly practiced in the north-eastern states of India.
5. What is the process of re-growing a forest that once existed but was cut-down in the past called?
a) Deforestation
b) Jhum cultivation
c) Reforestation
d) Greenhouse effect
View Answer
Explanation: The process of restoring or re-growing a forest that once existed but was removed or cut-down in the past is known as the reforestation. It is also known as afforestation. It may occur naturally but the process can be sped up by planting more trees.
6. For what reason was the Chipko Movement launched?
a) Protection of humans
b) Protection of forest
c) Protection of ponds and lakes
d) Protection of animals
View Answer
Explanation: The Chipko Movement was a non-violent social and ecological movement by rural villagers launched for the protection of forests. It was done in 1974 in the Garhwal Himalayas.
7. Which award is given to the individuals or communities from rural areas that have shown a significant contribution and dedication in the protection of wildlife in the Country?
a) Arjuna Award
b) Padma Bhushan Award
c) Rajiv Gandhi Wildlife Conservation Award
d) Amrita Devi Bishnoi Wildlife Protection Award
View Answer
Explanation: The individuals or communities from rural areas that have shown extraordinary courage, a significant contribution, and dedication in the protection of wildlife in the Country are awarded by the Amrita Devi Bishnoi Wildlife Protection Award. Along with this a cash award of rupees, one lakh is also given to that individual/community.
Sanfoundry Global Education & Learning Series – Biology – Class 12.
To practice all chapters and topics of class 12 Biology, here is complete set of 1000+ Multiple Choice Questions and Answers.
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- Check Class 12 - Biology Books
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