अध्याय 4 वायु

1.

Which one of the following groups of plants were domesticated in the ‘New World’ and

introduced into the ‘Old World’? (UPSC / IAS 2019)

2. Which one of the following National Parks lies completely in the temperate alpine zone? (UPSC / IAS 2019)

3.

Consider the following statements: (UPSC / IAS 2019)

1. Asiatic lion is naturally found in India only .

2. Double-humped camel is naturally found in India only .

3. One-horned rhinoceros is naturally found in India only.

Which of the statements given above is/are correct?

4. In the context of which of the following do some scientists suggest the use of cirrus cloud

thinning technique and the injection of sulphate aerosol into the stratosphere? (UPSC / IAS 2019)

5. Which of the following are in Agasthyamala Biosphere Reserve? (UPSC / IAS 2019)

6.

Consider the following statements: (UPSC / IAS 2019)

1. Some species of turtles are herbivores

2. Some species of fish are herbivores.

3. Some species of marine mammals are herbivores

4. Some species of snakes are viviparous

Which of the statements given above are correct?

7. Why is there a great concern about the ‘microbeads’ that are released into the environment? (UPSC / IAS 2019)

8.

For the measurement/estimation of which of the following are satellite images/remote sensing

data used? (UPSC / IAS 2019)

1. Chlorophyll content in the vegetation of a specific location

2. Greenhouse gas emissions from rice paddies of a specific location

3. Land surface temperatures of a specific location

Select the correct answer using the code given below.

9.

Which of the following statements are correct about the deposits of ‘methane hydrate’? (UPSC / IAS 2019)

1. Global warming might trigger the release of methane gas from these deposits

2. Large deposits of ‘methane hydrate’ are found in Arctic Tundra and under the seafloor

3. Methane in the atmosphere oxidizes to carbon dioxide after a decade or two

Select the correct answer using the code given below.

10.

Consider the following: (UPSC / IAS 2019)

1. Carbon monoxide

2. Methane

3. Ozone

4. Sulphur dioxide

Which of the above are released into the atmosphere due to the burning of crop/biomass residue?

11.

In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with

apprehension. These chemicals are used as (UPSC / IAS 2019)

12.

Consider the following statements: (UPSC / IAS 2019)

1. Under Ramsar Convention, it is mandatory on the part of the Government of India to

protect and conserve all the wetlands in the territory of India

2. The Wetlands (Conservation and Management) Rules, 2010 were framed by the

Government of India based on the recommendations of Ramsar Convention

3. The Wetlands (Conservation and Management) Rules, 2010 also encompass the drainage

area or catchment regions of the wetlands as determined by the authority

Which of the statements given above is/are correct?

13.

Consider the following statements: (UPSC / IAS 2019)

1. Agricultural soils release nitrogen oxides into the environment

2. Cattle release ammonia into the environment

3. The poultry industry releases reactive nitrogen compounds into the environment

Which of the statements given above is/ are correct?

14. Why are dewdrops not formed on a cloudy night? (UPSC / IAS 2019)

15.

Consider the following statements: (UPSC / IAS 2019)

1. According to the Indian Patents Act, a biological process to create a seed can be patented

in India

2. In India, there is no Intellectual Property Appellate Board

3. Plant varieties are not eligible to be patented in India

Which of the statements given above is/are correct?

16. The word ‘Denisovan’ is sometimes mentioned in media in reference to (UPSC / IAS 2019)

17.

Consider the following statements: (UPSC / IAS 2019)

The Environment Protection Act, 1986 empowers the Government of India to

1. state the requirement of public participation in the process of environmental protection,

and the procedure and manner in which it is sought

2. lay down the standards for emission or discharge of environmental pollutants from

various sources

Which of the statements given above is/ are correct?

18.

Consider the following statements: (UPSC / IAS 2019)

1. As per the recent amendment to the Indian Forest Act, 1927, forest dwellers have the right

to fell the bamboos grown on forest areas

2. As per the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest

Rights) Act, 2006, bamboo is a minor forest produce

3. The Scheduled Tribes and Other Traditional Forest Dwellers (Recognition Forest Rights)

Act, 2006 allows ownership of minor forest produce to forest dwellers

Which of the statements given above is/are correct?

19. Recently, there was a growing awareness in our country about the importance of Himalayan

nettle (Girardinia diversifolia) because it is found to be a sustainable source of [Based on Current

Affairs 2018-19]  (UPSC / IAS 2019)

20.

In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel [Based on

Current Affairs 2018-19] buses in public transport, consider the following statements: (UPSC / IAS 2019)

1. The main advantage of the use of HCNG is the elimination of carbon monoxide emissions

2. H-CNG as fuel reduces carbon dioxide and hydrocarbon emissions

3. Hydrogen up to one-fifth by volume can be blended with CNG as fuel for buses

4. H-CNG makes the fuel less expensive than CNG

Which of the statements given above is/are correct?

21.

In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel [Based on

Current Affairs 2018-19] buses in public transport, consider the following statements: (UPSC / IAS 2019)

1. The main advantage of the use of HCNG is the elimination of carbon monoxide emissions

2. H-CNG as fuel reduces carbon dioxide and hydrocarbon emissions

3. Hydrogen up to one-fifth by volume can be blended with CNG as fuel for buses

4. H-CNG makes the fuel less expensive than CNG

Which of the statements given above is/are correct?