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Friday, May 21, 2021

Biodiversity and Its Conservation (MCQs and Answers)

👉Click here for Quiz on "International Day for Bio-Diversity"👈

 1. Wildlife refers to

(a) plants in water and on land

(b) animals in the forests

(c) living organism in their natural habitats

(d) carnivorous animals such as lion, tiger etc

Answer: (b) animals in the forests

 2. Importance of wildlife lies in

(a) balancing the population

(b) maintenance of food chains and natural cycles

(c) usefulness in breeding programs

(d) all of the above

Answer: (d) all of the above

 3. Which one of the following would be more appropriate in producing high yielding varieties?

(a) more application of fertilizers, irrigation and use of pesticides

(b) breeding with wild varieties of organisms with genetic potentiality to respond to improved inputs

(c) development of disease resistant varieties of plants

(d) selection of wild organisms and their subsequent preservation

Answer: (b) breeding with wild varieties of organisms with genetic potentiality to respond to improved inputs

 4. Had Cinchona been eliminated before its use was discovered, man would have been deprived of

(a) use of its bark as dalchini

(b) tejpatta used as a spice

(c) antimalarial drug

(d) valuable timber

Answer: (c) antimalarial drug

 5. Destruction of species would be unethical because

(a) it is a product of long evolutionary history

(b) it forms a part of rich biological diversity

(c) it may still have certain unknown values

(d) all of the above

Answer: (d) all of the above

 6. The major reason for extinction of species is

(a) forest fire

(b) hunting

(c) habitat destruction

(d) their use for food

Answer: (c) habitat destruction

 7. Threatened species often include

(a) endangered species

(b) vulnerable species

(c) rare species

(d) all of the above

Answer: (d) all of the above

 8. Species which occur in small populations and are restricted to only certain geographical areas are placed under the category of

(a) endangered species

(b) vulnerable species

(c) rare species

(d) all of these

Answer: (c) rare species

 9. Conservation of living resources is a complex operation and is concerned with

(a) plants and animals

(b) all living organisms and nonliving elements of the environment on which they depend

(c) protection of wildlife and the forests in which these inhabit

(d) plants, animals and microbes

Answer: (b) all living organisms and nonliving elements of the environment on which they depend

 10. In an effort to preserve the species, special attention should be given to

(a) species that is only representative of a family or genus

(b) rare species overall the other types of threatened species

(c) preservation of extinction

(d) those varieties that are most threatened and form usual flora and fauna

Answer: (a) species that is only representative of a family or genus

11. Man and the Biosphere programme (MAB) was launched by

(a) Government of India

(b) IUCN

(c) UNESCO

(d) WWF

Answer: (c) UNESCO

 12. In the context of conservation WWF stands for

(a) World Wildlife Federation

(b) World Wildlife Forum

(c) World Wildlife Fund

(d) none

Answer: (c) World Wildlife Fund

 13. Which one of the following biosphere reserve is located in Uttarakhand?

(a) Valley of flowers

(b) Sundarbans

(c) Kanha

(d) Kaziranga

Answer: (a) Valley of flowers

 14. Bulk of our forests are composed of

(a) temperate deciduous forest

(b) tropical dry deciduous forest

(c) tropical evergreen forest

(d) tropical thorn forest

Answer: (b) tropical dry deciduous forest

 15. Red Data Book is famous for

(a) endangered plants and animals

(b) extinct plants

(c) endangered plants

(d) endangered animals

Answer: (a) endangered plants and animals

 16. In order to maintain proper ecological balance

(a) forest should be cleared and new ones are planted

(b) a tree should be planted in place of one that is cut for other uses

(c) some quick growing annuals should be planted if a tree is cut for other uses

(d) none

Answer: (c) some quick growing annuals should be planted if a tree is cut for other uses

 17. Van Mahotsav is practiced for

(a) forest cutting

(b) forest planting

(c) forest destruction

(d) none of the above

Answer: (b) forest planting

 18. Which of the following groups of animals has the highest number of endangered species?

(a) mammals

(b) fishes

(c) reptiles

(d) birds

Answer: (c) reptiles

 19. Species mentioned in the Red Data Book are

(a) threatened

(b) endangered

(c) vulnerable

(d) all of the above

Answer: (d) all of the above

 20. In your opinion, which is the most scientific way to conserve the plant diversity of an area?

(a) by developing seed banks

(b) by tissue culture method

(c) by creating biosphere reserves

(d) by creating botanical gardens

Answer: (c) by creating biosphere reserves

 21. Hotspots of biodiversity are areas with

(a) little biodiversity

(b) maximum biodiversity

(c) maximum conservation

(d) both b and c

Answer: (b) maximum biodiversity

 22. The maximum number of National Parks are located in

(a) Karnataka

(b) Madhya Pradesh

(c) Tamil Nadu

(d) Maharashtra

Answer: (b) Madhya Pradesh

 23. If at higher altitudes, birds become rare, plants likely to disappear are

(a) Pine

(b) Orchid

(c) Oak

(d) Rhododendrons

Answer: (d) Rhododendrons

 24. Rare species are not

(a) endangered

(b) vulnerable

(c) found in small number

(d) found in large number

Answer: (d) found in large number

 25. In the core area of biosphere reserves

(a) only humans are not allowed to stay

(b) only wild species exist

(c) both humans and wild life coexist

(d) limited human activities permitted

Answer: (b) only wild species exist

26. Which of the following category of species requires a maximum priority?

(a) rare

(b) vulnerable

(c) extinct

(d) endangered

Answer: (d) endangered

 27. The most serious threat to wildlife comes from

(a) introduction of exotic species

(b) habitat destruction

(c) international trade

(d) over exploitation

Answer: (b) habitat destruction

 28. Exsitu conservation of natural resources can be achieved by

(a) controlling the native habitat

(b) inducing mutations

(c) protecting the wildlife from natural and artificial hazards in the biosphere

(d) establishing wildlife sanctuaries on large-scale

Answer: (c) protecting the wildlife from natural and artificial hazards in the biosphere

 29. MAB stands for

(a) man and biome

(b) man and biosphere

(c) man and biology

(d) none

Answer: (b) man and biosphere

 30. The concept of biosphere reserves was suggested by

(a) Zoological Survey of India

(b) UNESCO

(c) Botanical Survey of India

(d) none

Answer: (b) UNESCO

 31. In the manipulation zone of Biosphere Reserve

(a) several human activities are allowed

(b) limited human activitiy is allowed

(c) no human activitiy is allowed

(d) both a and c

Answer: (a) several human activities are allowed

 32.  Silent Valley having rare plants and animals is located in

(a) Uttaranchal

(b) Kerala

(c) Karnataka

(d) Jammu and Kashmir

Answer: (b) Kerala

 33. How many species of organisms are supposed to be present on this planet?

(a) 1 million

(b) 5 million

(c) 14 million

(d) 20 million

Answer: (c) 14 million

 34. Which group of animals is known to show maximum diversity?

(a) mammals

(b) reptiles

(c) birds

(d) insect

Answer: (d) insect

 35. Which among the following is a World Heritage site?

(a) Ranthambore National Park

(b) Manas wildlife sanctuary

(c) Corbett National Park

(d) Govind Sagar Bird Sanctuary

Answer: (b) Manas wildlife sanctuary

 36. Species very near to extinction, if conservation measures are not promptly taken is

(a) threatened species

(b) rare species

(c) endangered species

(d) vulnerable species

Answer: (c) endangered species

 37. Species listed in Red Data Book are

(a) vulnerable

(b) threatened

(c) endangered

(d) all of the above

Answer: (d) all of the above

 38. Which one of the following is a pair of endangered species?

(a) Hornbill and Indian Aconite

(b) Indian peacock and carrot grass

(c) Garden lizard and Mexican Poppy

(d) Rhesus monkey and Sal tree

Answer: (a) Hornbill and Indian Aconite

 39. Biodiversity act of India was passed by parliament in

(a) 1992

(b) 1996

(c) 2000

(d) 2002

Answer: (d) 2002

 40. Which one is a hotspot of biodiversity?

(a) Aravalli Hills

(b) Western Ghats

(c) Indo-gangetic plain

(d) Eastern Ghats

Answer: (b) Western Ghats

 41. World biodiversity day is

(a) 22nd April

(b) 16th September

(c) 5th June

(d) 22nd May

Answer: (d) 22nd May

42. The India red list of plants species is prepared by

(a) Botanical Survey of India

(b) Forest department of India

(c) Geological Survey of India

(d) Census department of India

Answer: (a) Botanical Survey of India

 43. Exotic species introduced in India are

(a) Lantana camara, Water hyacinth

(b) Water hyacinth, Prosopis cineraria

(c) Nile perch, Ficus religiosa

(d) Ficus religiosa, Lantana camara

Answer: (a) Lantana camara, Water hyacinth

44. Beta diversity is diversity

(a) in a community

(b) between communities

(c) in Mountain gradient

(d) on a plain

Answer: (b) between communities

 45. Venue and year of earth summit on conservation of biodiversity was

(a) South Africa, 2002

(b) Rio de Janeiro, 1992

(c) Johannesburg, 2004

(d) Ramsar, 1974

Answer: (b) Rio de Janeiro, 1992

 46. India became a party to convention on biological diversity in

(a) 1994

(b) 1993

(c) 1992

(d) 1988

Answer: (a) 1994

 47. Most of the endangered species are victims of

(a) acid rain

(b) competition with introduced species

(c) habitat destruction

(d) over hunting

Answer: (c) habitat destruction

 48. Which one of the following has a maximum genetic diversity in India?

(a) Tea

(b) Teak

(c) Wheat

(d) Mango

Answer: (d) Mango

 49. Indian share in global species diversity is about

(a) 8%

(b) 6%

(c) 4%

(d) 2%

Answer: (a) 8%

 50. The term diversity refers to

(a) Genetic diversity

(b) Community and Ecosystem diversity

(c) Diversity among the plants

(d) Species diversity

Answer: (d) Species diversity

51 Theme for BIODIVERSITY DAY 2021 is -

(a) "Our solutions are in nature".

(b) "Our Biodiversity, Our Food, Our Health"

(c) "Celebrating 25 Years of Action for Biodiversity"

(d) "We're part of the solution".

Answer: (d) "We're part of the solution".

👉Click here for Quiz on "International Day for Bio-Diversity"👈

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