NCERT CLASS 12 | TOPIC : BIODIVERSITY AND CONSERVATION | EQB | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 12 | TOPIC : BIODIVERSITY AND CONSERVATION | EQB | NEET BIOLOGY ONLINE TEST

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It contains 20 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : kalvisolai.net

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1 ➤ 1. Which of the following countries has the highest biodiversity?

(a) Brazil (b) South Africa (c) Russia (d) India

2 ➤ 2. Which of the following is not a cause for the loss of biodiversity?

(a) Destruction of habitat (b) Invasion by alien species (c) Keeping animals in zoological parks (d) Over-exploitation of natural resources

3 ➤ 3. Which of the following is not an invasive alien species in the Indian context?

(a) Lantana (b) Cynodon (c) Parthenium (d) Eichhornia

4 ➤ 4. Where among the following will you find the pitcher plant?

(a) Rain forest of Northeast India (b) Sunderbans (c) Thar Desert (d) Western Ghats

5 ➤ 5. Which one of the following is not a characteristic feature of biodiversity hotspots?

(a) Large number of species (b) Abundance of endemic species (c) Mostly located in the Polar Regions (d) Mostly located in the tropics

6 ➤ 6. Match the animals given in column A with their location in column B.

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(i) Dodo - (A) Africa

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(ii) Quagga - (B) Russia

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(iii) Thylacine - (C) Mauritius

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(iv) Steller’s sea cow - (D) Australia

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Choose the correct match from the following:

(a) i-A, ii-C, iii-B, iv-D (b) i-D, ii-C, iii-A, iv-B (c) i-C, ii-A, iii-B, iv-D (d) i-C, ii-A, iii-D, iv-B

7 ➤ 7. What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?

(a) All are ornamental plants (b) All are phylogenie link species (c) All are prone to over exploitation (d) All are exclusively present in the Eastern Himalayas.

8 ➤ 8. The one-homed rhinoceros is specific to which of the following sanctuary

(a) Bhitar Kanika (b) Bandipur (c) Kaziranga (d) Corbett park

9 ➤ 9. Amongst the animal groups given below, which one has the highest percentage of endangered species?

(a) Insects (b) Mammals (c) Amphibians (d) Reptiles

10 ➤ 10. Which one of the following is an endangered plant species of India?

(a) Rauvolfia serpentina (b) Santalum album (Sandal wood) (c) Cycas beddomei (d) All of the above

11 ➤ 11. What is common to Lantana, Eichhornia and African catfish?

(a) All are endangered species of India. (b) All are key stone species. (c) All are mammals found in India. (d) All the species are neither threatened nor indigenous species of India.

12 ➤ 12. The extinction of passenger pigeon was due to

(a) Increased number of predatory birds (b) Over exploitation by humans (c) Non-availability of the food (d) Bird flu virus infection

13 ➤ 13. Which of the following statements is correct?

(a) Parthenium is an endemic species of our country. (b) African catfish is not a threat to indigenous catfishes. (c) Steller’s sea cow is an extinct animal. (d) Lantana is popularly known as carrot grass.

14 ➤ 14. Among the ecosystem mentioned below, where can one find maximum biodiversity?

(a) Mangroves (b) Desert (c) Coral reefs (d) Alpine meadows

15 ➤ 15. Which of the following forests is known as the ‘lungs of the planet Earth’?

(a) Tiaga forest (b) Tundra forest (c) Amazon rain forest (d) Rain forests of Northeast India

16 ➤ 16. The active chemical drug reserpine is obtained from

(a) Datura (b) Rauvolfia (c) Atropa (d) Papaver

17 ➤ 17. Which of the following group exhibit more species diversity?

(a) Gymnosperms (b) Algae (c) Bryophytes (d) Fungi

18 ➤ 18. Which of the below mentioned regions exhibit less seasonal variations?

(a) Tropics (b) Temperate (c) Alpines (d) Both (a) and (b)

19 ➤ 19. The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as

(a) CITES Convention (b) The Earth Summit (c) G-16 Summit (d) MAB Programme

20 ➤ 20. What is common to the techniques

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(i) in vitro fertilization,

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(ii) Cryo preservation and

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(iii) tissue culture

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(a) All are in situ conservation methods. (b) All are ex situ conservation methods. (c) All require ultra-modern equipment and large space. (d) All are methods of conservation of extinct organisms.

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