Explore Exams
Login Signup
Sign in Open App
CBSE Class 7  >  Class 7 Test  >  Science (Old NCERT)  >  Test: Forests Our Lifeline - Class 7 MCQ

Forests Our Lifeline - Class 7 Science Free MCQ Test with solutions


MCQ Practice Test & Solutions: Test: Forests Our Lifeline (10 Questions)

You can prepare effectively for Class 7 Science Class 7 (Old NCERT) with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Forests Our Lifeline". These 10 questions have been designed by the experts with the latest curriculum of Class 7 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 10

Sign up on EduRev for free to attempt this test and track your preparation progress.

Test: Forests Our Lifeline - Question 1
Save

Which of the following is not a forest product?

Detailed Solution: 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
Save

Microorganisms act upon the dead plants to produce

Detailed Solution: Question 2

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

Clear all your doubts with EduRev
Test: Forests Our Lifeline - Question 3
Save

How do trees and plants help our environment?

Detailed Solution: Question 3

The correct answer is d) All of the above.

Explanation:

  • Stopping dust storms: Trees and plants act as windbreakers, reducing the speed of the wind, which helps prevent dust storms.
  • Preventing soil erosion: The roots of trees and plants hold the soil together, preventing it from being washed away by rain or blown away by wind.
  • Balancing oxygen and carbon dioxide: Trees absorb carbon dioxide and release oxygen through photosynthesis, helping to maintain a balance in the atmosphere.

Thus, trees and plants provide all these important benefits to the environment.


     

Test: Forests Our Lifeline - Question 4
Save

What do mushrooms and other micro-organisms feed on?

Detailed Solution: 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
Save

Where is humus found in the soil?

Detailed Solution: Question 5

Humus is primarily located in the top layer of soil.

  • It is formed from the decomposition of organic matter.
  • This layer is crucial for plant growth and soil health.
  • Humus improves soil structure and nutrient retention.

Test: Forests Our Lifeline - Question 6
Save

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

Detailed Solution: Question 6

- The question asks for a substance that is not derived from forest products.
- Among the options, wooden doors, windows, and chairs are crafted from timber, which comes from trees.
- Polythene, on the other hand, is a synthetic material made from petrochemicals and does not originate from forests.
- Therefore, polythene is the correct answer as it is manmade and not a forest product.

Test: Forests Our Lifeline - Question 7
Save

Which one is not obtained directly from plants?

Detailed Solution: Question 7

  • Furniture: Made from wood, which is a direct product of trees.
  • Medicines: Many are derived from plant extracts and compounds.
  • Petrol: Not obtained directly from plants. It is a fossil fuel formed from ancient organic matter, including both plants and animals, after millions of years under heat and pressure.
  • Paper: Produced from wood pulp, directly sourced from trees.

Petrol is the correct answer, as it is not directly obtained from plants but through geological processes over time.

Test: Forests Our Lifeline - Question 8
Save

Plants convert CO2 into O2 during

Detailed Solution: Question 8

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

Test: Forests Our Lifeline - Question 9
Save

What happens when forests flood?

Detailed Solution: Question 9

When forests flood, they can absorb the excess water, which helps in preventing soil erosion. The trees and vegetation play a crucial role in maintaining the stability of the soil and water levels.

Test: Forests Our Lifeline - Question 10
Save

What are decomposers? Name any two of them.

Detailed Solution: Question 10

Decomposers like fungi and bacteria break down dead plant and animal matter, recycling nutrients back into the soil. This process is essential for the nutrient cycle in the forest ecosystem.

112 videos|286 docs|28 tests
Join Course
Information about Test: Forests Our Lifeline Page
In this test you can find the Exam questions for Test: Forests Our Lifeline solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Forests Our Lifeline, EduRev gives you an ample number of Online tests for practice
112 videos|286 docs|28 tests
Join Course
Download as PDF

About this Class 7 Practice Test

This test contains 10 MCQs on Forests Our Lifeline with detailed solutions for each question. It is part of the Science Class 7 (Old NCERT) course on EduRev, designed to align with the current Class 7 syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

Explore more Class 7 Study Resources

If you found this Forests Our Lifeline MCQ Test helpful, you can further enhance your Class 7 preparation with in-depth courses on EduRev, for all the subjects and topics available in Science Class 7 (Old NCERT) course. The course offers:
  • Video Lectures: covering all the topics of Science Class 7 (Old NCERT)
  • Notes for Revision: offering revision notes, important questions, summaries, flashcards, cheatsheets & more for Class 7 preparation
  • MCQ Test: variety of questions as per the pattern of Class 7 exam
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup