Conservation of Plants and Animals — Class 8 MCQs with Answers
Class 8 CBSE Science · Chapter 105
Pre-2026 syllabusThis chapter is from the older NCERT book. See the 2026-27 Class 8 Science chapters →
72 practice questions · 24 Easy · 24 Medium · 24 Hard · Updated
Practise the most important Class 8 CBSE Science questions from Chapter 105, "Conservation of Plants and Animals". You get 6 timed quizzes made from 72 NCERT-based MCQs, with answers and explanations. The questions are split into 24 Easy, 24 Medium and 24 Hard. Warm up on the basics, then move on to the exam-level questions that set top scorers in CBSE Board exams apart.
To score well in "Conservation of Plants and Animals", focus on clear concepts in physics, chemistry and biology basics. Each MCQ here is timed and uses exam-style marking (+4 correct, −1 wrong, 0 skipped). This trains you to stay accurate under time pressure, as real papers need. Every question has a short explanation, so a wrong answer becomes a quick lesson. It is the fastest way to fix gaps before a test.
Use this chapter for focused revision. Start with the Easy set to check your basics on Conservation of Plants and Animals, then move to Medium and Hard to practise applying them. Your accuracy, streaks and XP save automatically. This chapter also adds to your overall Class 8 Science mastery score. 14 sample questions are solved in full below, with the answer and a worked explanation. Sign in free to start practising.
Key concepts: Conservation of Plants and Animals (Class 8 Science)
This chapter covers the conservation of biodiversity — deforestation and its effects, and how protected areas safeguard plants and animals.
- Deforestation
- Clearing forests for farming, building and industry; it causes soil erosion, less rainfall and global warming.
- Biodiversity
- The variety of living organisms in an area; needs protection from habitat loss.
- Protected areas
- Wildlife sanctuaries, national parks and biosphere reserves protect flora and fauna in their natural habitat.
- Key terms
- Endemic species (found only in one area), endangered species (at risk), and the Red Data Book listing them.
Conservation of Plants and Animals — important questions & MCQs with answers (Class 8 Science)
14 solved questions from this chapter's difficulty levels, each with its answer and explanation. The other 58 are timed and scored when you sign in.
- Q1Easy
The clearing of forests for other uses is called:
A.AfforestationB.Deforestation✓ CorrectC.ReforestationD.ConservationAnswer: B. Deforestation
Explanation: Deforestation is the clearing of forests and using the land for other purposes.
- Q2Easy
The variety of plants, animals and microorganisms in an area is called:
A.MigrationB.EcosystemC.Biodiversity✓ CorrectD.PollutionAnswer: C. Biodiversity
Explanation: Biodiversity is the variety of living organisms found in a specific area.
- Q3Easy
An area reserved for the protection of wild animals where some human activities may be allowed is a:
A.National parkB.Biosphere reserveC.ZooD.Wildlife sanctuary✓ CorrectAnswer: D. Wildlife sanctuary
Explanation: A wildlife sanctuary protects animals; some limited human activity may be permitted.
- Q4Easy
The book that keeps a record of endangered species is the:
A.Green BookB.Red Data Book✓ CorrectC.Year BookD.Blue BookAnswer: B. Red Data Book
Explanation: The Red Data Book records endangered plants and animals.
- Q5Easy
Which of these is a cause of deforestation?
A.Planting treesB.ConservationC.RecyclingD.Clearing forests for farming and buildings✓ CorrectAnswer: D. Clearing forests for farming and buildings
Explanation: Forests are cleared for agriculture, houses, factories and roads — major causes of deforestation.
- Q6Easy
Species found only in a particular area and nowhere else are called:
A.Endemic✓ CorrectB.ExtinctC.MigratoryD.CommonAnswer: A. Endemic
Explanation: Endemic species are found exclusively in one particular area.
- Q7Medium
Large-scale deforestation raises the temperature of an area mainly because fewer trees mean:
A.More rainB.Less shade and transpiration cooling, and more CO2 in the air✓ CorrectC.More shadeD.Cooler airAnswer: B. Less shade and transpiration cooling, and more CO2 in the air
Explanation: Trees provide shade and cooling by transpiration and absorb CO2; removing them warms the area.
- Q8Medium
Why are endemic species especially at risk from habitat destruction?
A.They live everywhereB.They migrate easilyC.They are found only in one area, so losing that habitat can wipe them out✓ CorrectD.They are very commonAnswer: C. They are found only in one area, so losing that habitat can wipe them out
Explanation: Endemic species exist nowhere else, so destroying their only habitat can make them extinct.
- Q9Medium
How does a national park differ from a wildlife sanctuary?
A.It protects the whole ecosystem and bans human activities like grazing✓ CorrectB.It allows cultivationC.It is always smallerD.It allows cattle grazingAnswer: A. It protects the whole ecosystem and bans human activities like grazing
Explanation: A national park protects the entire ecosystem and prohibits human activities, unlike a sanctuary.
- Q10Medium
Reforestation helps reverse deforestation by:
A.Planting new trees to restore the forest✓ CorrectB.Removing treesC.Building roadsD.Hunting animalsAnswer: A. Planting new trees to restore the forest
Explanation: Reforestation restocks a cleared forest by planting trees, restoring its cover.
- Q11Medium
How does deforestation lead to soil erosion?
A.More animals arriveB.Trees add salt to soilC.Soil becomes heavierD.Tree roots that bind the soil are removed, so rain and wind wash the soil away✓ CorrectAnswer: D. Tree roots that bind the soil are removed, so rain and wind wash the soil away
Explanation: Roots hold soil together; without trees, the topsoil is easily eroded by rain and wind.
- Q12Hard
Assertion (A): Deforestation can lead to both floods and droughts. Reason (R): Trees regulate water by holding soil, aiding rainfall and letting water seep into the ground. Choose the correct option.
A.A is true, R is falseB.A is false, R is trueC.Both A and R are true and R explains A✓ CorrectD.Both A and R are falseAnswer: C. Both A and R are true and R explains A
Explanation: Trees moderate the water cycle; removing them causes both flooding and drought — R explains A.
- Q13Hard
An endemic bird found only in one valley becomes extinct after that valley is cleared. This shows endemic species are:
A.Safe from habitat lossB.Able to migrate easilyC.Highly vulnerable because they exist nowhere else✓ CorrectD.Very commonAnswer: C. Highly vulnerable because they exist nowhere else
Explanation: Endemic species have no other habitat, so destroying it can cause their extinction.
- Q14Hard
Which order ranks protected areas from least to most restrictive/large in scope?
A.National park → biosphere reserve → sanctuaryB.Sanctuary → national park → zooC.Biosphere reserve → sanctuary → national parkD.Wildlife sanctuary → national park → biosphere reserve✓ CorrectAnswer: D. Wildlife sanctuary → national park → biosphere reserve
Explanation: A sanctuary allows some activity, a national park allows none, and a biosphere reserve is the largest, often containing both.
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Start this chapter free →Conservation of Plants and Animals — FAQs
What are the key concepts in Class 8 Science Conservation of Plants and Animals?+
This chapter covers the conservation of biodiversity — deforestation and its effects, and how protected areas safeguard plants and animals. Key ideas include Deforestation, Biodiversity, Protected areas, Key terms.
What does Class 8 Science Chapter 105 (Conservation of Plants and Animals) cover on XamBaaz?+
It has 72 NCERT-based MCQs on "Conservation of Plants and Animals": 24 Easy, 24 Medium and 24 Hard. Together they make 6 timed quizzes, and you never get the same set twice. Every question has an instant explanation. They help you prepare for CBSE Board exams.
Are these "Conservation of Plants and Animals" questions free to practise?+
Yes. Sign in with Google to practise "Conservation of Plants and Animals" free. Full unlimited access is ₹999/year on a launch offer until 1 December 2026. No chapter is charged separately.
How should I revise "Conservation of Plants and Animals" for the exam?+
Start with the Easy quiz to check your basics, then try Medium and Hard to practise applying them. There are 6 timed quizzes on this chapter, so you can come back for a fresh set instead of one you have seen. Read each explanation, retry the questions you miss, and track your accuracy until it stays high.
Are these "Conservation of Plants and Animals" MCQs available with answers?+
Yes. 14 sample questions are shown here in full, each with the correct option and a step-by-step "Why" explanation. Sign in free with Google to start practising, with instant scoring.
Is there negative marking in the "Conservation of Plants and Animals" quizzes?+
Yes. The timed quizzes use exam-style marking: +4 for a right answer, −1 for a wrong one and 0 for a skip. MHT-CET and CBSE board papers have no negative marking. Our mocks for those are scored their way.
What are the important questions from Conservation of Plants and Animals (Class 8 Science)?+
The questions that matter most test Deforestation, Biodiversity, Protected areas, Key terms. This page shows 14 solved important MCQs with answers and explanations; all 72 questions on the chapter are available as timed quizzes once you sign in.
Is there an online quiz for Conservation of Plants and Animals?+
Yes — Class 8 Science Conservation of Plants and Animals has timed online quizzes at Easy, Medium and Hard levels, with instant scoring and a worked explanation on every question. The first quiz on the chapter is free.