This is Environment and Ecology GS Practice part 4.  Keep visiting Environment and Ecology section in UPSC category of our website for learning more about the subject.

Que 16 – In which one among the following categories of protected areas in India are local people not allowed to collect and use the biomass? (UPSC CSE 2012)

(a) Biosphere Reserves

(b) National Parks

(c) Wetlands declared under Ramsar Conservation

(d) Wildlife Sanctuaries

Answer – (b)

Explanation :

In national parks, local people are not allowed to collect and use the biomass available in in the areas.
It is an area set aside by a national government for the preservation of the natural flora and fauna.

Que 17 – Consider the following kinds of organisms : (UPSC CSE 2012)

1. Bat

2. Bee

3. Bird

Which of the above is/are pollinating agent/agents?

(a) 1 and 2 only

(b) 2 only

(c) 1 and 3 only

(d) 1, 2 and 3

Answer – (d)

Explanation :

Pollination is a process by which pollen grains are transferred. Bees, bats and birds cause pollination while sucking nectar and catching insects for prey.

Que 18 – Which of the following can be threats to the biodiversity of a geographical area?(UPSC CSE 2012)

1. Global warming

2. Fragmentation of habitat

3. Invasion of alien species

4. Promotion of vegetarianism

Select the correct answer using the codes given below :

(a) 1 2 and 3 only

(b) 2 and 3 only

(c) 1 and 4 only

(d) 1 2 3 and 4

Answer – (a)

Explanation :
Biodiversity can be threatened by :
Global warming – climate change lead to loss of species diversity.
Fragmentation – leads to loss of diversity.
Alien species – some spaces main gate eliminated due to Species.
Not by Vegetarianism.

Que 19 – Consider the following : (UPSC CSE 2012)

1. Black-necked crane

2. Cheetah

3. Flying squirrel

4. Snow leopard

Which of the above are naturally found in India?

(a) 1 2 and 3 only

(b) 1 3 and 4 only

(c) 2 and 4 only

(d) 1 2 3 and 4

Answer – (b)

Explanation :

Black-necked crane found in trans Himalayan region. They migrate to laser cold area in India in winters.
Cheetahs have become extinct.
Flying squirrel is found in many parts in India.
Snow leopard is found in the Himalayas.

Que 20 – A particular state in India has the following characteristics : (UPSC CSE 2012)

1. It is located on the same latitude which passes through Northern Rajasthan.

2. It has over 80% of its area under forest cover.

3. Over 12% of forest cover constitutes Protected area Network in this State.

Which one among the following states has all the above characteristics?

(a) Arunachal Pradesh

(b) Assam

(c) Himachal Pradesh

(d) Uttarakhand

Answer – (a)

Explanation :
Arunachal Pradesh match the characteristics mentioned.

You can study about Environment and Ecology topic at our Environment and Ecology for Govt Exams article.  Also, you can keep preparing for Environment and Ecology GS Practice Part 4 section.

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