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Test: Forests Our Lifeline - UPSC MCQ


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10 Questions MCQ Test Old & New NCERTs for IAS Preparation (Must Read) - Test: Forests Our Lifeline

Test: Forests Our Lifeline for UPSC 2024 is part of Old & New NCERTs for IAS Preparation (Must Read) preparation. The Test: Forests Our Lifeline questions and answers have been prepared according to the UPSC exam syllabus.The Test: Forests Our Lifeline MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Forests Our Lifeline below.
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Test: Forests Our Lifeline - Question 1

Which of the following is not a forest product?

Detailed Solution for Test: Forests Our Lifeline - Question 1

Kerosene is derived from petroleum and is a combustible hydro-carbon in liquid state. It is not derived from forests and so is not a forest product.

Forest products are materials that are derived from forests and forestry either for direct consumption or for commercial use. Gum, plywood and sealing wax are all obtained from forests for different purposes and so are categorized as forest products.

Test: Forests Our Lifeline - Question 2

Microorganisms act upon the dead plants to produce

Detailed Solution for Test: Forests Our Lifeline - Question 2

Microorganisms act upon the dead plants to produce humus the increase the fertility of soil.

Test: Forests Our Lifeline - Question 3

Trees and vegetation act as wind breakers and prevents

Detailed Solution for Test: Forests Our Lifeline - Question 3
Importance of trees and vegetation as wind breakers:

  • Preventing dust storms: Trees and vegetation act as barriers that help reduce the speed and impact of winds, preventing the blowing of dust and sand which can cause dust storms.

  • Preventing soil erosion: Trees and vegetation help hold the soil in place with their roots, preventing erosion caused by wind. This is crucial for maintaining fertile soil for agriculture and preventing landslides.

  • Regulating oxygen and carbon dioxide levels: Trees play a vital role in the carbon cycle by absorbing carbon dioxide during photosynthesis and releasing oxygen. This helps maintain a balance in the levels of these gases in the atmosphere.

  • Promoting biodiversity: Trees and vegetation provide habitats for a variety of wildlife, contributing to biodiversity and ecosystem health.

  • Improving air quality: Trees help filter pollutants from the air, improving air quality and creating a healthier environment for humans and animals.

Test: Forests Our Lifeline - Question 4

What do mushrooms and other micro-organisms feed on?

Detailed Solution for Test: Forests Our Lifeline - Question 4

mushrooms and other micro-organisms feed on dead plant and animal tissues, playing a significant role in decomposing organic matter and recycling nutrients in the ecosystem. They do not feed on living animals, sunlight, or use water as a primary nutrient source. 

Test: Forests Our Lifeline - Question 5

Where is humus found in the soil?

Detailed Solution for Test: Forests Our Lifeline - Question 5

Humus is found in the top layer of the soil.

Test: Forests Our Lifeline - Question 6

Process of eating and being eaten is called

Detailed Solution for Test: Forests Our Lifeline - Question 6

The process of eating and being eaten is called as food chain to transfer energy from one organism to other organism.

Test: Forests Our Lifeline - Question 7

Which of the following substance is not made of forest product?

Detailed Solution for Test: Forests Our Lifeline - Question 7

Wooden door, windows and chair are made of timber obtained from forest while polythene is manmade product.

Test: Forests Our Lifeline - Question 8

Which one is not obtained from plants?

Detailed Solution for Test: Forests Our Lifeline - Question 8

Medicine, furniture and paper are obtained from plants but petrol is obtained from petroleum.

Test: Forests Our Lifeline - Question 9

Plants convert CO2 into O2 during

Detailed Solution for Test: Forests Our Lifeline - Question 9

Plants convert CO2 into O2 during photosynthesis. Exchange of gases takes place through stomata.

Test: Forests Our Lifeline - Question 10

Mountains appear green due to

Detailed Solution for Test: Forests Our Lifeline - Question 10

Mountain appears green due to presence of plants on it in form of herb, shrub and tree.

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