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MCQ on Biodiversity for Students
While India’s Human population is growing at an astounding pace, the bird population is shrinking fastly mainly because I. there has been an abnormal increase in the number of hunters. II. bio-pesticides and organic manure are being used on a large scale. III. there has been a large-scale reduction in the habitats of birds. IV. there has been a large-scale use of pesticides, chemical fertilizers, and mosquito repellents. Select your answer correctly using the codes given below.
(a) I and II are correct
(b) II and III are correct
(c) III and IV are correct
(d) I and IV are correct
Option c – III and IV are correct
If you travel through the Himalayas, you are likely to see which of the following plants naturally grow there. I. Oak II. Rhododendron III. Sandalwood Select the correct answer using the codes given below.
(a) I and II
(b) Only III
(c) I and III
(d) All of these
Option a – I and II
Which of the following have coral reefs? I. Andaman and Nicobar Islands II. Gulf of Kachchh III. Gulf of Mannar IV. Sunderbans Select the correct answer using the codes given below.
(a) I, II, and III only
(b) II and IV only
(c) I and III only
(d) I, II, III, and IV
Option a – I, II, and III only
Assertion A The South-Western Island region of India has huge biodiversity. Reason R South-Western Island region is characterized by huge rainfall and consists of numerous islands surrounded by ocean. Codes
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Option a – Both A and R are true and R is the correct explanation of A
Which among the following is not the reason for the destruction of biodiversity in Uttarakhand?
(a) Extension of roadways
(b) Urbanisation
(c) Afforestation in degraded land
(d) Extension of Agriculture
Option c – Afforestation in degraded land
Which one of the following strongly threatens biodiversity?
(a) A fragile ecosystem such as mangroves and wetlands.
(b) Inaccessible habitats in the Himalayas.
(c) Destruction of natural habitats; vegetation and Jhum cultivation.
(d) Creation of biosphere reserves.
Option c – Destruction of natural habitats; vegetation and Jhum cultivation
In the context of biodiversity, which among the following regions of India is considered a hotspot?
(a) Andaman and Nicobar Islands.
(b) Plains of Ganga.
(c) Central India.
(d) None of the above
Option a – Andaman and Nicobar Islands
Which one of the following National Parks has a climate that varies from tropical to subtropical, temperate, and arctic?
(a) Khangchendzonga National Park
(b) Nandadevi National Park
(c) Neora Valley National Park
(d) Namdapha National Park
Option d – Namdapha National Park
Which one among the following regions of India is a confluence of Mangrove forest, Evergreen forest, and Deciduous forest?
(a) North Coast of Andhra Pradesh.
(b) South-Western Bengal.
(c) Southern Saurashtra.
(d) Andaman and Nicobar Islands
Option d – Andaman and Nicobar Islands
Consider the following statements. I. Biodiversity hotspots are located only in tropical regions. II. India has four biodiversity hotspots i.e., Eastern Himalayas, Western Himalayas, Western Ghats, and Andaman and Nicobar Islands. Which of the statements given above is/are correct?
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
Option d – Neither I nor II
Three of the following criteria have contributed to the recognition of Western Ghats, Sri Lanka, and Indo-Burma regions as hotspots of biodiversity. I. Species richness II. Vegetation density III. Endemism IV. Ethno-botanical importance V. Threat perception VI. Adaptation of flora and fauna to warm arid humid conditions. Which three of the above are correct criteria in this context?
(a) I, II and VI
(b) II, IV and VI
(c) I, III and V
(d) II, IV and VI
Option c – I, III and V
Consider the following regions. I. Eastern Himalayas II. Eastern Mediterranean region III. North-Western Australia Which of the above is/are biodiversity hotspot(s)?
(a) Only I
(b) I and II
(c) II and III
(d) I, II, and III
Option a – Only I
A species is considered to be extinct if it has not been seen in its natural habitat for
(a) 15 years
(b) 25 years
(c) 40 years
(d) 50 years
Option d – 50 years
Which of the following is the reason for the decline in the population of vultures?
(a) Excessive use of Diclofenac
(b) Low mortality rate of the animal.
(c) The high mortality rate of animals
(d) Cleanliness
Option a – Excessive use of Diclofenac
Which one of the following is not responsible for the extinction of a species?
(a) Broad Niche
(b) Large body size
(c) Narrow Niche
(d) Lack of genetic variability
Option d – Lack of genetic variability
‘Silent Valley is located in
(a) Uttarakhand
(b) Kerala
(c) Arunachal Pradesh
(d) Jammu and Kashmir
Option b – Kerala
(a) Uttarakhand
(b) Himachal Pradesh
(c) Kerala
(d) Tamil Nadu
Option c – Kerala
‘Valley of Flowers’ is situated in
(a) Kerala
(b) Jammu and Kashmir
(c) Uttarakhand
(d) Himachal Pradesh
Option c – Uttarakhand
The maximum biodiversity-rich place in India is
(a) Indo-Gangetic Plain
(b) Trans-Himalaya
(c) Western Ghats
(d) Central India
Option c – Western Ghats
Which of the following is a biodiversity-saturated area in India?
(a) Eastern Ghat
(b) Western Ghat
(c) Thar Desert
(d) Bay of Bengal
Option b – Western Ghat
The ‘hotspot’ of biodiversity in India are
(a) Western Himalayas and Eastern Ghats.
(b) Western Himalayas and Sunderban.
(c) Eastern Himalayas and the Western Ghats.
(d) Eastern Himalayas and Silent Valley.
Option c – Eastern Himalayas and the Western Ghats
Which one of the following is not a ‘biodiversity hotspot’ of India?
(a) Himalayas
(b) Vindhyas
(c) North-East India
(d) Western Ghats
Option b – Vindhyas
The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?
(a) It has a high rainfall that supports luxuriant vegetative growth.
(b) It is a confluence of the different biogeographical zone.
(c) Exotic and invasive species have not been introduced in this region.
(d) It has less human interference.
Option b – It is a confluence of the different biogeographical zone
The richest biodiversity is found in the ( Biodiversity Question Bank MCQs )
(a) Silent Valley
(b) Kashmir Vally
(c) Valley of flowers
(d) Surma Valley
Option a – Silent Valley
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