Class 8 Exam  >  Class 8 Tests  >  Science Class 8  >  Important Questions Test: Conservation of Plants & Animals - Class 8 MCQ

Important Questions Test: Conservation of Plants & Animals - Class 8 MCQ


Test Description

20 Questions MCQ Test Science Class 8 - Important Questions Test: Conservation of Plants & Animals

Important Questions Test: Conservation of Plants & Animals for Class 8 2024 is part of Science Class 8 preparation. The Important Questions Test: Conservation of Plants & Animals questions and answers have been prepared according to the Class 8 exam syllabus.The Important Questions Test: Conservation of Plants & Animals MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions Test: Conservation of Plants & Animals below.
Solutions of Important Questions Test: Conservation of Plants & Animals questions in English are available as part of our Science Class 8 for Class 8 & Important Questions Test: Conservation of Plants & Animals solutions in Hindi for Science Class 8 course. Download more important topics, notes, lectures and mock test series for Class 8 Exam by signing up for free. Attempt Important Questions Test: Conservation of Plants & Animals | 20 questions in 20 minutes | Mock test for Class 8 preparation | Free important questions MCQ to study Science Class 8 for Class 8 Exam | Download free PDF with solutions
Important Questions Test: Conservation of Plants & Animals - Question 1

What is the variety of life and the diversity of genes, species and ecosystems of a region and their inter connectedness called?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 1

The diversity of genes, species and ecosystems of a region is called biodiversity.

Important Questions Test: Conservation of Plants & Animals - Question 2

Which of the following is/are caused due to uncontrolled deforestation?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 2

Uncontrolled deforestation leads to destruction of habitats, soil erosion, flash floods, increase of carbon dioxide in the air and global warming.

1 Crore+ students have signed up on EduRev. Have you? Download the App
Important Questions Test: Conservation of Plants & Animals - Question 3

Which of the following is the result of drought?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 3

Drought which is caused due to lack of rains results in decreased food production.

Important Questions Test: Conservation of Plants & Animals - Question 4

Which of the following includes all living organisms and all life- supporting regions of the Earth?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 4

Biosphere is the name given to the region that include all living organisms and all life supporting regions of the earth.

Important Questions Test: Conservation of Plants & Animals - Question 5

Which of the following shows a modern technology measure that helps preserve and conserve the environment?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 5

By recycling resources, we can prevent overexploitation of resources and conserve the resources and in turn conserve the environmen

Important Questions Test: Conservation of Plants & Animals - Question 6

Which of the following is an abiotic component?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 6

The non-living or abiotic components of an ecosystem are air, water, temperature, soil etc.

Important Questions Test: Conservation of Plants & Animals - Question 7

Which of the following must be practiced to preserve and conserve the environment?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 7

Conservation involves keeping the natural environment in its balanced state. Preservation involves keeping some of the earth's resources for future generations.

Important Questions Test: Conservation of Plants & Animals - Question 8

Which of the following is the result of the introduction of exotic species?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 8

The introduction of exotic species into an area disturbs the natural ecology balance. They compete with the native species for nutrients, shelter and spread new diseases.

Important Questions Test: Conservation of Plants & Animals - Question 9

Which of the following is/are advantage(s) of forests?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 9

Forests stop soil erosion, provide shelter and thus prevent floods. Forests provide us with oxygen and rainfall.

Important Questions Test: Conservation of Plants & Animals - Question 10

In which of the following agricultural practices is a part of a forest cleared for cultivation and then moving on to a new part for cultivation?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 10

Shift cultivation is a type of agricultural method in which farmer clears the land by burning forest and cultivate that land for short period of time. Once the soil becomes infertile farmer again clear the another land for cultivation. It is also called as jhum cultivation.

Important Questions Test: Conservation of Plants & Animals - Question 11

Which of the following are the uses of IUCN Red List?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 11

IUCN red list is a book which keeps the record of all the endangered plants and animals.

Important Questions Test: Conservation of Plants & Animals - Question 12

Which of these animal projects protect endangered species?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 12

There are various projects taken up by the Government which have helped in restoring the wildlife. Ban on hunting and sale of products from wildlife, afforestation, declaring forests as reserved areas, establishing national parks and sanctuaries are the steps, helpful in restoring the wildlife.

Important Questions Test: Conservation of Plants & Animals - Question 13

What prevents soil erosion?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 13

The root system of many plants especially grasses, have high soil binding capacity and thus help in the prevention of soil erosion.

Important Questions Test: Conservation of Plants & Animals - Question 14

Which of the following is caused by deforestation?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 14

Deforestation causes soil erosion causes desertification and floods. It can be prevented by afforestation, proper land management and preventing overgrazing.

Important Questions Test: Conservation of Plants & Animals - Question 15

What is the main aim of conserving living organisms?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 15

Conservation helps to prevent extinction of endangered species

Important Questions Test: Conservation of Plants & Animals - Question 16

Which of the following are living resources in nature?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 16

Plants known as flora and animals, Fauna are living resources in nature.

Important Questions Test: Conservation of Plants & Animals - Question 17

What is an endangered animal?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 17

An animal on the verge of extinction is called an endangered animal.

Important Questions Test: Conservation of Plants & Animals - Question 18

Which of the following is/are factors that pose a great threat to biodiversity?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 18

Habitat destruction, over use of natural resources and manss interference with nature pose a threat to biodiversity.

Important Questions Test: Conservation of Plants & Animals - Question 19

Which of the following is the consequence of man's interference with nature?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 19

Biological imbalance is a consequence of man's interference with nature.

Important Questions Test: Conservation of Plants & Animals - Question 20

Which of the following practices helps in the conservation of forests and wildlife?

Detailed Solution for Important Questions Test: Conservation of Plants & Animals - Question 20

- Establishing wildlife sanctuaries is key to conserving forests and wildlife.
- Sanctuaries protect natural habitats, allowing ecosystems to thrive without human interference.
- They provide a safe haven for endangered species, aiding in their recovery and preventing extinction.
- Sanctuaries also support biodiversity by preserving different species and their habitats.
- By maintaining ecological balance, they contribute to sustainable environmental health.

91 videos|273 docs|44 tests
Information about Important Questions Test: Conservation of Plants & Animals Page
In this test you can find the Exam questions for Important Questions Test: Conservation of Plants & Animals solved & explained in the simplest way possible. Besides giving Questions and answers for Important Questions Test: Conservation of Plants & Animals, EduRev gives you an ample number of Online tests for practice

Top Courses for Class 8

91 videos|273 docs|44 tests
Download as PDF

Top Courses for Class 8