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You will find a list of Class 12 Biology MCQ Questions of Biodiversity and Conservation with Answers according to the most recent endorsed syllabus. Start the practice the given Class 12 Biology MCQ Questions Biodiversity and Conservation for assessing your preparation for exams. Increase your exam preparation with the Objective type Questions accessible on Biodiversity and Conservation and upgrade your knowledge.

Practice MCQ Question for Class 12 Biology chapter-wise

1. Lion-tailed Macaque is found in:

(a) Western Ghats
(b) Caucasus
(c) Eastern Ghats
(d) Western Himalaya

2. Dudhwa National Part is located in:

(a) In Himachal Pradesh
(b) In Uttar Pradesh
(c) In Madhya Pradesh
(d) Arunachal Pradesh

3. Biodiversity Act of India was passed by the Parliament in the year:

(a) 1996
(b) 1992
(c) 2002
(d) 2000

4. Kanha National Park is famous for:

(a) Birds  
(b) Rhinoceros
(c) Tigers
(d) Crocodiles

5. Nandan Kanha Zoo is know for the:

(a) Nilgiri tiger
(b) Hippopotamus
(c) White Tiger
(d) Whale

6. Sardar Sarovar Dam is built on the river:

(a) Jhelum
(b) Narmada
(c) Tapti
(d) Vyas

7. First National park developed in India is:

(a) Gir
(b) Kaziranga
(c) Jim Corbett
(d) None of these

8. Diversity between two communities is called

(a) alpha diversity
(b) beta diversity
(c) gamma diversity
(d) none of these

9. According to IUCN 2004, the total number of plant and animal species described so far is slightly more than

(a) 5 million
(b) 7 million
(c) 1.5 million
(d) 0.5 million

10. The highest number of species in the world is represented by

(a) algae
(b) lichens
(c) fungi
(d) mosses

11. Which of the following countries has the highest biodiversity?

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

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

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

13. ............ has the maximum genetic diversity in India

(a) Mango
(b) Tea
(c) Potato
(d) Teak

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

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

15. Which is an example of an ex-situ conservation

(a) Seed bank
(b) National park
(c) Wildlife sanctuary
(d) Sacred groves

16. The most important cause of loss of biodiversity today is:

(a) habitat loss and fragmentation
(b) over-exploitation
(c) alien species invasions
(d) co-extinctions

17. The search for previously unknown compounds in organisms that have never been used in traditional medicine is known as:

(a) Biopiracy
(b) Bioprospecting
(c) Molecular pharming
(d) Bioremediation

18. The greatest biodiversity on the earth is found in

(a) African grasslands
(b) Amazonian rain forest in South America
(c) Western Ghats in India
(d) Nile delta in Egypt

19. The region of biosphere reserve, which is legally protected and where no human activity is allowed is known as

(a) core zone
(b) transition zone
(c) buffer zone
(d) restoration zone

20. How many hotspots of biodiversity in the world have been identified till date by Norman Myers?

(a) 17
(b) 34
(c) 25
(d) 43

21. Which is the National Aquatic Animal of India?

(a) River dolphin
(b) Sea-horse
(c) Blue whale
(d) Gangetic shark

22. World Summit on Sustainable Development (2002) was held in

(a) Brazil
(b) Argentina
(c) Sweden
(d) South Africa

23. Which one of the following is not included under in situ conservation?

(a) Sanctuary
(b) Botanical garden
(c) Biosphere reserve
(d) National park

24. Which of the following is best method of germplasm conservation?

(a) Herbarium
(b) Botanical garden
(c) Seed bank
(d) Zoological park

25. Dust, oolong and brick are varieties of

(a) coffee
(b) pepper
(c) tea
(d) lavang

Answer :

1. Answer : (a) Western Ghats

Explanation:  In the wild, lion-tailed macaques are only native to India. There, they live in the Western Ghats hills and mountains of southwestern India, where they live in tropical rainforests and on elevated mountainsides.

2. Answer : (b) In Uttar Pradesh

Explanation: Dudhwa National Park or the Dudhwa Tiger Reserve residing the areas of Lakhimpur & Kheri district of Uttar Pradesh, lying adjacent to the Indo-Nepal border bringing together two most incredible sanctuaries of the area namely, Kishanpur and Katerniaghat Wildlife Sanctuaries to represent the excellent natural forests.

3. Answer : (c) 2002

Explanation: The Biological Diversity Act, 2002 is an Act enacted by the Parliament of India for the preservation of biological diversity in India, and provides mechanism for equitable sharing of benefits arising out of the use of traditional biological resources and knowledge.

4. Answer : (c) Tigers

Explanation: Kanha national park is famous for Tiger. Kanha Tiger Reserve, also known as Kanhakisti national park, is one of the tiger reserves of India and the largest national park of the state of Madhya Pradesh The present-day Kanha area is divided into two protected areas, Hallon and Banjar.

5. Answer : (c) White Tiger

Explanation: Nandan- Kanan zoo is famous for its white tiger located 20 km ahead of Bhubaneshwar, Orissa.

6. Answer : (b) Narmada

Explanation: Dam and Reservoir. A concrete gravity dam, 1210 meters (3970 feet) in length and with a maximum height of 163 meters above the deepest foundation level, is under construction across river Narmada.

7. Answer : (c) Jim Corbett

Explanation: India's first national park was established in 1936 as Hailey National Park, now known as Jim Corbett National Park, Uttarakhand.

8. Answer : (b) beta diversity

Explanation: Beta (\(\beta\)) diversity refers to diversity between communities. It is the ratio between regional (\(\gamma\)) and local (\(\alpha\)) species diversity. The term was introduced by R. H. Whittaker.

9. Answer : (c) 1.5 million

Explanation: According to the International Union for Conservation of Nature and Natural Resources (IUCN) (2004), the total number of plant and animal species described so far is slightly more than 1.5 million.

10. Answer : (c) fungi

Explanation: Fungi represent the highest number of species in the world. Around 100000 species of fungi have been formally described by taxonomists, but the global biodiversity of kingdom fungi is not fully understood.

11. Answer : (a) Brazil

Explanation: Brazil. It is the country with the greatest biodiversity of flora and fauna on the planet. Brazil has the highest number of species of known mammals and freshwater fish, and more than 50,000 species of trees and bushes, it takes first place in plant diversity.

12. Answer : (a) Cynodon

Explanation: Cynodon (doob grass) is not an invasive alien species . The other three Parthenium (Congress or carrot grass), Eichhornia (water hyacinth) and Lantana are alien species which pose threat to native species.

13. Answer : (a) Mango

Explanation: Among the following crops, Mango also known as Mangifera indica is the plant with the highest genetic diversity in India.

14. Answer : (a) Amphibians

Explanation: Presently, 12% all the birds species, 23% all mammals species, 31% all gymnosperms species and 32% all amphibian species in world face the threat of extinctions.

15. Answer : (a) Seed bank

Explanation: Ex situ conservation is the conservation of areas outside their natural habitat. Botanical gardens, zoological parks, seed banks, cryopreservation, field gene banks, etc. are examples of it.

16. Answer : (a) habitat loss and fragmentation

Explanation: The main reason for the decrease in biodiversity is overpopulation, global warming, deforestation, and pollution. The major biodiversity reducing factor is habitat destruction.

17. Answer : (b) Bioprospecting

Explanation: Bioprospecting includes biopiracy, the exploitative appropriation of indigenous forms of knowledge by commercial actors, as well as the search for previously unknown compounds in organisms that have never been used in traditional medicine.

18. Answer : (b) Amazonian rain forest in South America

Explanation: Amazonia represents the quintessence of biodiversity – the richest ecosystem on earth. Yet a study by Smithsonian scientists, published this week in the journal Science, shows that differences in species composition of tropical forests are greater over distance in Panama than in Amazonia.

19. Answer : (a) core zone

Explanation: Core zone comprises an undisturbed and legally protected buffer zone surrounds the core area and transitions zone is the outermost area of the biosphere reserve, where active cooperation between reserve managment and the local people occur.

20. Answer : (b) 34

Explanation: A total of 34 hotspots in the world has been identified till date by Norman Myers.

21. Answer : (a) River dolphin

Explanation: The docile and graceful river dolphin is now India's National Aquatic Animal. On Monday, 5th of October , the Central Government declared this endangered species as India's National Aquatic Animal according it equal status with the Peacock, India's National Bird and the Tiger, India's National Animal.

22. Answer : (d) South Africa

Explanation: World Summit on Sustainable Development (WSSD), held in Johannesburg, South Africa from late August to early September 2002.

23. Answer : (b) Botanical garden

Explanation: Zoological/botanical garden is not included under in situ conservation. ... Sacred groves come under in situ conservation. Other examples include national parks, biosphere reserves, and sanctuaries. So, the correct answer is, 'zoological/botanical garden.

24. Answer : (c) Seed bank

Explanation: Seed banks are the best method of germplasm conservation. Endangered plants are preserved in seed banks which are also called germplasm banks. These are cryogenic laboratories with the facility of preserving seeds for up to a century or more without losing their fertility.

25. Answer : (c) tea

Explanation: These are black tea (China, India, Sri Lanka), green tea (China, Japan and Taiwan), oolong tea (Taiwan) and brick tea (China). Dust or fannings are left over small part of tea leaves, which are also widely used.

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