Class 12 Biology MCQ Chapter 15 Biodiversity and Conservation

Class 12 Biology MCQ Chapter 15 Biodiversity and Conservation Solutions English Mediumto each chapter is provided in the list so that you can easily browse through different chapters Class 12 Biology MCQ Chapter 15 Biodiversity and Conservation Question Answer in English and select need one. AHSEC Class 12 Biology Objective Type Question Answer As Per AHSEC New Book Syllabus Download PDF. AHSEC Biology MCQ Class 12 Solutions.

Class 12 Biology MCQ Chapter 15 Biodiversity and Conservation

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. AHSEC Class 12 Biology Multiple Choice Solutions in English Medium are part of All Subject Solutions. Here we have given AHSEC Class 12 Biology MCQ Question Answer English Medium for All Chapters, You can practice these here.

Biodiversity and Conservation

Chapter: 15

Choose the Correct Option: 

1. Biodiversity is the term popularised by the sociobiologist ______ to describe the combined diversity.

(i) Charles Darwin.

(ii) Edward Wilson.

(iii) Ernst Haeckel.

(iv) Wallace.

Ans: (ii) Edward Wilson.

2. The genetic variation shown by the medicinal plant Rauwolfia vomitoria is due to differences in:

(i) Morphology.

(ii) Geography.

(iii) Reserpine concentration.

(iv) Ecology.

Ans: (iii) Reserpine concentration.

3. India has more than ______ genetically different strains of rice and about 1,000 varieties of mango.

(i) 10,000.

(ii) 25,000.

(iii) 50,000.

(iv) 70,000.

Ans: (iii) 50,000.

4. The richest biodiversity is found in which of the following regions?

(i) Arctic Tundra.

(ii) Temperate forest.

(iii) Tropical rainforest.

(iv) Grasslands.

Ans: (iii) Tropical rainforest.

5. Who observed that within a region, species richness increases with increasing explored area?

(i) Charles Darwin.

(ii) Alexander von Humboldt.

(iii) Robert May.

(iv) David Tilman.

Ans: (ii) Alexander von Humboldt.

6. Which one of the following is not part of the “Evil Quartet”?

(i) Over-exploitation.

(ii) Co-extinction.

(iii) Climate change.

(iv) Habitat loss.

Ans: (iii) Climate change.

7. The introduction of Nile perch led to the extinction of:

(i) Cichlid fish.

(ii) Catfish.

(iii) Shark.

(iv) Eel.

Ans: (i) Cichlid fish.

8. Sacred groves are examples of:

(i) Ex-situ conservation.

(ii) Ecosystem degradation.

(iii) In-situ conservation.

(iv) Alien species.

Ans: (iii) In-situ conservation.

9.  Which one of the following is not an ex-situ conservation method?

(i) Seed banks.

(ii) Botanical gardens.

(iii) Wildlife sanctuaries.

(iv) Cryopreservation.

Ans: (iii) Wildlife sanctuaries.

10. Which country has the greatest biodiversity among the following?

(i) India.

(ii) Brazil.

(iii) China.

(iv) Russia.

Ans: (ii) Brazil.

11. Who proposed the Rivet Popper Hypothesis to explain species interdependence?

(i) David Tilman.

(ii) Robert May.

(iii) Paul Ehrlich.

(iv) Edward Wilson.

Ans: (iii) Paul Ehrlich.

12.  The term “Hotspot of Biodiversity” was introduced by:

(i) Myers.

(ii) Humboldt.

(iii) Mayr.

(iv) Ehrlich.

Ans: (i) Myers.

13. Which region of India is NOT part of the three biodiversity hotspots?

(i) Western Ghats.

(ii) Indo-Burma.

(iii) Andaman Islands.

(iv) Himalayas.

Ans: (iii) Andaman Islands.

14. Which of the following is not a use of biodiversity?

(i) Food.

(ii) Medicine.

(iii) Aesthetic.

(iv) Nuclear fuel.

Ans: (iv) Nuclear fuel.

15. Cryopreservation is a method of:

(i) In-situ conservation.

(ii) Forest regeneration.

(iii) Seed dispersal.

(iv) Ex-situ conservation.

Ans: (iv) Ex-situ conservation.

Parimal

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