Q: One of the ex-situ conservation methods for endangered species is:

Preservation at −196∘ (liq. N2 ) can maintain tissue culture, embryos, animal cells/tissues, spermatogoa, etc. is called as cryopreservation. It is an ex-situ, conservation method ie. conservation of organism outside their natural homes other ex-situ conservation methods are off site collection and genebanks.

Question 1

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

Accepted Answer

Correct answer is C

Question 2

Find the wrongly matched pair:

Accepted Answer

Correct answer is B

Question 3

Each couple should produce only two children which will help in:

Accepted Answer

Correct answer is B

Question 4

In which state of India is Chandraprabha sanctuary situated?

Accepted Answer

Correct answer is B

Question 5

Red data book provides data on:

Accepted Answer

The list of endangered species of plants and animals is given in Red Data Book.

Question 6

World Wild Life Week is:

Accepted Answer

Wild life week is celebrated on monday of first week of October.

Question 7

Black buck in India is protected by:

Accepted Answer

Correct answer is B

Question 8

Tiger is not a resident in which one of the following national park?

Accepted Answer

Correct answer is C

Question 9

Which is preserved in National Park?

Accepted Answer

Correct answer is C

Question 10

One of the following plant species is in endangered list:

Accepted Answer

Correct answer is B

Question 11

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

Accepted Answer

Correct answer is B

Question 12

Red data book is maintained by:

Accepted Answer

IUCN (International Union for the Conservation of Nature and Natural Resources) maintains a red data book in which list of endangered species of plants and animals have been given.

Question 13

In India, we find mangoes with different flavours, colours, fibre content, sugar content and even shelf life. The large variation is on account of:

Accepted Answer

Correct answer is C

Question 14

Which of the following species are restricted to a given area?

Accepted Answer

Species restricted to small area are called endemic.

Question 15

New approach to conservation is the establishment of:

Accepted Answer

Biosphere reserves are multipurpose protected area which are meant for preserving genetic diversity in representative ecosystems of various natural biomes and unique biological communities.

Question 16

The presence of diversity at the junction of territories of two different habitats is known as:

Accepted Answer

Ecotone is the transition zone between 2 communities, habitats e.g . forest, grassland. The increased number of species in the region of ecotone is called as edge effect and the species is called as edge species.

Question 17

Biodiversity Act of India was passed by the parliament in the year:

Accepted Answer

Biodiversity act of India - In September 2002, India has 581 protected areas of National parks, Sanctuaries covering 4.7% land surface against 10% internationally through this act.

Question 18

Which of the following plants are commonly found in Sunderban Biosphere Reserve?

Accepted Answer

Correct answer is A

Question 19

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

Accepted Answer

Correct answer is A

Question 20

One of the ex-situ conservation methods for endangered species is:

Accepted Answer

Preservation at −196∘ (liq. N2​ ) can maintain tissue culture, embryos, animal cells/tissues, spermatogoa, etc. is called as cryopreservation. It is an ex-situ, conservation method ie. conservation of organism outside their natural homes other ex-situ conservation methods are off site collection and genebanks.

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Solution for Class 12, Biology, Biodiversity and Conservation

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