Chapter Exam

Chapter-22 Conservation of Plants and Animals — Online MCQ Test

Q: What is biodiversity?

Answer: A. Variety of living organisms in a region — Biodiversity means the variety of plants, animals, and microorganisms present in a particular area or on Earth.

Q: Which of the following is a wildlife sanctuary in Tamil Nadu?

Answer: A. Mudumalai Wildlife Sanctuary — Mudumalai Wildlife Sanctuary is a protected area for animals and plants in Tamil Nadu.

Q: Why are forests called the 'lungs of the Earth'?

Answer: B. They release oxygen and absorb carbon dioxide — Forests help maintain the balance of gases by absorbing carbon dioxide and releasing oxygen.

Q: Which of the following is NOT a cause of biodiversity loss?

Answer: C. Afforestation — Afforestation increases green cover and supports biodiversity, unlike the other options which cause loss.

SCIENCE · Samacheer Kalvi 8th · Tamil Nadu State Board

Practice Chapter-22 Conservation of Plants and Animals with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 8th SCIENCE. This chapter covers: conservation biodiversity wildlife Covers biodiversity conservation methods and wildlife protection. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-22 Conservation of Plants and Animals — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 8th SCIENCE — Chapter-22 Conservation of Plants and Animals, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is biodiversity?

A. Variety of living organisms in a region ✓
B. Only the number of animals in a forest
C. Only the plants found in a garden
D. The climate of a place

Answer: A. Variety of living organisms in a region
Biodiversity means the variety of plants, animals, and microorganisms present in a particular area or on Earth.

Which of the following is a wildlife sanctuary in Tamil Nadu?

A. Mudumalai Wildlife Sanctuary ✓
B. Kodaikanal Hill Station
C. Marina Beach
D. Thanjavur Temple

Answer: A. Mudumalai Wildlife Sanctuary
Mudumalai Wildlife Sanctuary is a protected area for animals and plants in Tamil Nadu.

Why are forests called the 'lungs of the Earth'?

A. They produce only food for animals
B. They release oxygen and absorb carbon dioxide ✓
C. They make rainbows
D. They stop all natural disasters

Answer: B. They release oxygen and absorb carbon dioxide
Forests help maintain the balance of gases by absorbing carbon dioxide and releasing oxygen.

Which of the following is NOT a cause of biodiversity loss?

A. Deforestation
B. Pollution
C. Afforestation ✓
D. Overexploitation of resources

Answer: C. Afforestation
Afforestation increases green cover and supports biodiversity, unlike the other options which cause loss.

Choose the correct statement about conservation.

A. A seed bank is an example of in situ conservation
B. A national park is meant only for human recreation
C. A biosphere reserve helps conserve ecosystems on a large scale ✓
D. Deforestation helps increase biodiversity

Answer: C. A biosphere reserve helps conserve ecosystems on a large scale
Biosphere reserves are large protected areas designed to conserve biodiversity and ecosystems.