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Environment Quiz 08. 03. 2018

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Question 1

Which of the following extinct animals are correctly matched with their native country
1) Dodo - (Mauritius)
2) Quagga - (Africa)
3) Thylacine - (Australia)
4) Steller’s Sea Cow - (Russia)
Correct options are –

Question 2

Consider the following statements and choose the correct option:
1) Algae are the green differentiated plants.
2) The fresh water algae are generally green or blue-green in colour
3) The marine ones are red or brown.

Question 3

With reference to Kaziranga National Park, which of the following statements is/are correct?
1) It hosts two-thirds of the world's great one-horned rhinoceros.
2) It was declared a Tiger Reserve in 2006. 
3) Kaziranga is recognised as an Important Bird Area by BirdLife International.
4) Tropical moist forest and Tropical semi-evergreen forest can be found in Kaziranga.
Select the correct answer using the codes given below

Question 4

Consider the following statements about ’Soot’:
1) It is a gas that contributes to the warming of the atmosphere.
2) It is generally produced from the incomplete combustion.
3) It warms the earth by absorbing the heat in the atmosphere and by reducing the albedo.
4) Being high in global warming potentiality, it stays in the atmosphere for years.
Which of above is/are not correct?

Question 5

Consider the following w.r.t Himalayan ecosystem:
1) It is home to the largest amount of glaciers after the North and South poles.
2) It is predicted that there will be an increase in the phenomenon of Glacial Lake Outburst Floods (GLOFs) in eastern and central Himalayas.
3) The melting glaciers of Himalayas have a serious impact on non-perennial rivers that further flourishes the agriculture.
Select the incorrect code:

Question 6

The scientific view is that the increase in global temperature should not exceed 2 °C above pre-industrial level. If the global temperature increases beyond 3 °C above the pre-industrial level, what can be its possible impact/impacts on the world?
(1). Terrestrial biosphere tends toward a net carbon source
(2). Widespread coral mortality will occur.
(3). All the global wetlands will permanently disappear.
(4). Cultivation of cereals will not be possible anywhere in the world.
Select the correct answer using the code given below.

Question 7

Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R).

Assertion (A) – Pyramid of energy is always upward. 

Reason (R) – Energy pyramid concept helps to explain the phenomenon of biological magnification.

Select the correct answer from the codes given below:

Question 8

Select the correct code for the following statements:
1). Carrying capacity of a habitat is the maximum number of individuals of a population which can be provided with all the necessary resources for their healthy living.
2). Beyond carrying capacity, the size of population begins to increase.

Question 9

Which of the following is/are correct about Biotic Interaction?
1) Biotic interaction between the organisms is fundamental for its survival and functioning of ecosystem as a whole.
2) The relation between the plant and pollinator is an example of Mutualism
3) Amensalism is said to be established when one species is harmed and the other is unaffected.

Question 10

Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss?
1) Hard and waxy leaves
2) Tiny leaves or no leaves
3) Thorns instead of leaves
Select the correct answer using the codes given below-
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Saurabh SinghSaurabh SinghMember since Jun 2017
Saurabh as a Community Manager at Gradeup is using his four times UPSC CSE mains experience to mentor civil services aspirants. He believes in delivering consistent quality content to aspirants and guiding them to realise their true potential in career and in life. His email address is saurabh.singh@gradeup.co.
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