Biodiversity and its Conservation - NCERT Based MCQ Questions for NEET

This article contains NCERT based 45 MCQ questions test on Biology chapter "Biodiversity and its Conservation". These questions are highly valuable for the NEET exam. You can attempt these questions in the form of an interactive quiz and calculate your score. Read the below quiz rules carefully before you start

General Instructions

• Quiz contains 45 questions of 4 marks each.
• Correct answer (✔) will award you +4 marks and Incorrect answer (✘) will give you -1 mark.
• Total test is of 180 marks.
• Tap on box in order to select any option that you think is correct.
• Press the Submit button given in the end of quiz to calculate your score.
• There is a PDF file attached in the end of quiz. You can see detailed solutions to all questions and do self analysis from that file as well. 

Question 1. Beta (β) diversity refers to diversity

(1) within a community 

(2) between communities

(3) between two ecozones 

(4) within a population

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Question 2. Which of the following is the largest taxon among plants in terms of the number of species?

(1) Algae 

(2) Mosses

(3) Ferns 

(4) Fungi

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Question 3. India is one of the twelve megadiversity countries with _______ of genetic resources of the world.

(1) 12.1% 

(2) 18.1%

(3) 38.1% 

(4) 8.1%

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Question 4. An ecologist uses the term biodiversity for the variety of species of

(1) all living plants

(2) all living animals

(3) both (1) and (2)

(4) (1), (2) and microbes also living in their natural habitats

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Question 5. Which one has the largest species variety in India?

(1) Wheat 

(2) Maize

(3) Rice 

(4) Potato

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Question 6. Which one of the following is not used for ex situ plant conservation?

(1) Botanical Gardens 

(2) Field gene banks

(3) Seed banks 

(4) Shifting cultivation

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Question 7. Which of the following species is restricted to a specific area?

(1) Sibling species 

(2) Allopatric species

(3) Sympatric species 

(4) Endemic species

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Question 8. Which of the following represents maximum number of species among global biodiversity?

(1) Mosses and Ferns 

(2) Algae

(3) Lichens 

(4) Fungi

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Question 9. A species facing extremely high risk of extinction in the immediate future is called

(1) Vulnerable 

(2) Endemic

(3) Critically Endangered 

(4) Extinct

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Question 10. The species diversity of plants on earth will be

(1) 2.4% 

(2) 22%

(3) 8.1% 

(4) 85%

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Question 11. Which one of the following has maximum genetic diversity in India?

(1) Mango 

(2) Wheat

(3) Tea 

(4) Teak

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Question 12. The distribution of species diversity on earth may be best described as

(1) it is uniformly distributed

(2) it is highest in tropics

(3) it is highest in polar regions

(4) it is highest in Southern hemisphere and lowest in Northern hemisphere

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Question 13. Species area relationship curve had been proposed by

(1) David Tilman 

(2) Edward Wilson

(3) Paul Ehrlich 

(4) Von Humboldt

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Question 14. Which of the following statements is not true?

(1) The biodiversity decreases with increasing latitude.

(2) The biodiversity decreases with increasing altitude.

(3) The fishes show greatest biodiversity among vertebrates.

(4) The biodiversity of bryophytes is greater than that of angiosperms

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Question 15. Which of the following statements is correct?

(1) Species diversity, in general, increases from poles to the equator.

(2) Conventional taxonomic methods are equally suitable for higher plants and microorganisms.

(3) India’s share of global species diversity is about 18%.

(4) There are about 25000 known species of plants in India

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Question 16. Maximum species diversity is seen in latitudinal range of

(1) 23.5° N to 66.5° N 

(2) 23.5° N to 23.5° S

(3) 23.5° S to 66.5° N 

(4) 66.5° N to 90° N

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Question 17. The relation between species richness and area is described on a logarithmic scale by the equation ________ [where S = species richness, A = area, Z = slope of the line (regression coefficient), C= Y-intercept].

(1) log S = log C – Z log A 

(2) log S = Z log A

(3) log S = log C + Z log A 

(4) log S = log C

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Question 18. One out of the following is not responsible for biodiversity loss.

(1) Alien species invasion 

(2) Co-extinction

(3) Ex-situ conservation 

(4) Deforestation

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Question 19. Troublesome American water weed found in India is

(1) Vallisneria 

(2) Eichhornia

(3) Hydrilla 

(4) Lemna

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Question 20. The worst threat to wildlife is by

(1) habitat destruction 

(2) hunting

(3) overgrazing 

(4) exotic species

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Question 21. Read the statements regarding a stable community and choose the correct option.

(i) Must be resistant to occasional disturbances.

(ii) Should show much variation in productivity from year to year.

(iii) Must be resistant to invasions by alien species.

(1) (i) and (ii) are correct 

(2) (i), (ii) and (iii) are correct

(3) (i) only is correct 

(4) (i) and (iii) are correct

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Question 22. Which of the following is an example of alien species invading a new ecosystem resulting in biodiversity losses?

(1) Introduction of Nile Perch into Lake Victoria in East Africa.

(2) Introduction of water hyacinth into India.

(3) Introduction of African catfish into Indian rivers.

(4) All of the above

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Question 23. According to IUCN Red list, during the last two decades, the maximum increase in the number of threatened species is among

(1) amphibians 

(2) reptiles

(3) birds 

(4) mammals

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Question 24. In IUCN Red List (2004) documents, the extinction of 784 species includes

(1) 335 vertebrates, 360 invertebrates and 89 plants

(2) 337 vertebrates, 362 invertebrates and 88 plants

(3) 338 vertebrates, 359 invertebrates and 87 plants

(4) 340 vertebrates, 357 invertebrates and 87 plants

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Question 25. Cryopreservation of gametes of threatened species in viable and fertile condition can be referred to as :

(1) Advanced ex-site conservation of biodiversity.

(2) In situ conservation by sacred groves.

(3) In situ cryo-conservation of biodiversity.

(4) In situ conservation of biodiversity

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Question 26. Select the incorrect statement.

(1) Species diversity increases as we move away from the equator towards the poles.

(2) Stellar's sea cow and passenger pigeon got extinct due to over exploitation by man.

(3) Lantana and Eichhornia are invasive weed species in India.

(4) The historic convention on biological diversity was held in 1992

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Question 27. Which is referred to as 'Lungs of the Planet Earth'?

(1) Western ghat 

(2) Lake Victoria

(3) Greenland 

(4) Amazon rain forest

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Question 28. Which one of the following species is on the verge of extinction due to low reproduction rate?

(1) Tiger 

(2) Giant panda

(3) Elephant 

(4) Deer

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Question 29. One of the following statements is incorrect with reference to biodiversity. Identify it.

(1) The areas with very few plant and animal species (low species richness) with no threatened species

are called biodiversity hotspots.

(2) Biodiversity increases from higher altitudes to lower altitudes.

(3) Biodiversity decreases from the equator to polar regions.

(4) Depletion in genetic diversity of crop plants is mainly due to the introduction of better varieties with high yield, disease resistance, etc.

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Question 30. Which one of the following is not an in-situ conservation method?

(1) National parks 

(2) Wild life sanctuary

(3) Biosphere reserves 

(4) Zoological parks

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Question 31. Rajaji National Park is situated in

(1) Tamil Nadu 

(2) Uttarakhand

(3) Assam 

(4) Karnataka

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Question 32. Endangered plant species are conserved through

(1) tissue culture. 

(2) cryopreservation

(3) gene bank 

(4) all of these

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Question 33. Which of the following regions of our country are known for their rich biodiversity?

(1) Western Ghats and Eastern Himalayas

(2) Western Ghats and Deccan Plateau

(3) Eastern Himalayas and Gangetic Plain

(4) Trans Himalayas and Deccan Peninsula

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Question 34. Find the wrongly matched pair.

(1) Endemism - Species confined to a region and not found anywhere else

(2) Hotspots – Western Ghats

(3) Sacred groves – Jaintia hills of Rajasthan

(4) Ex situ conservation– Zoological parks

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Question 35. Which of the following is not an ex-situ conservation?

(1) Cryopreservation 

(2) Seed bank

(3) Biosphere reserves 

(4) Botanical garden

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Question 36. When is the biodiversity day celebrated?

(1) 5th June 

(2) 1st July

(3) 22nd May 

(4) 8th March

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Question 37. When both flora and fauna are conserved at the same place without any type of human intervention the conservation area is called

(1) Biosphere reserve 

(2) Wildlife sanctuary

(3) National Park 

(4) Zoological parks

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Question 38. Which one of the following in an in-situ method of biodiversity conservation?

(1) National park 

(2) Botanical garden

(3) Zoological garden 

(4) Scientific laboratory

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Question 39. What is the full form of MAB?

(1) Man and Biosphere

(2) Man and Biosphere Reserve

(3) Man and Biosphere Reserve Program

(4) Man and Biosphere Program

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Question 40. Wildlife Protection Act India was implemented in the year

(1) 1982 

(2) 1988

(3) 1972 

(4) 1970

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Question 41. An area is declared as "Hotspot" when

(1) it has 1500 or more endemic species and 75% of its original habitat is lost.

(2) it has 1500 or more vertebrate species and 75% of its original habitat is lost.

(3) it has more than 2000 species of plants

(4) most of the species inhabiting the area is facing the risk of extinction

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Question 42. Which of the following is correctly matched?

(1) Aerenchyma – Opuntia

(2) Age pyramid – Biome

(3) Parthenium hysterophorus – Threat to biodiversity

(4) Stratification – Population

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Question 43. The concept of Hotspots was first introduced by

(1) Mayer 

(2) Simpson

(3) Myers 

(4) David

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Question 44. Red list contains data or information on

(1) All economically important plants

(2) Plants whose products are in international trade

(3) Threatened species

(4) Marine vertebrates only

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Question 45. The objective of 'Ramsar Convention' was

(1) forest conservation

(2) wildlife conservation

(3) wetland conservation

(4) biodiversity conservation

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Detailed Solutions

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