Current Affairs Questions

Environmental Pollution, Degradation & Climate Change:

Hydrogen Production

Consider the following hydrogen production options:

  1. Blue hydrogen is made from CH4 where CO2 is captured and stored.
  2. Green Hydrogen is made from renewable energy and no CO2 is emitted.
  3. Brown Hydrogen is made from coal where CO2 is emitted to the atmosphere.
  4. Grey hydrogen is made from CH4 and CO2 is captured and liquefied.

Which of the above statements are correct?

A
1, 2 and 3 only
B
1, 2 and 4 only
C
2, 3 and 4 only
D
All are correct

Fly Ash

Consider the following statements with reference to the Fly ash:

  1. Fly ash is a byproduct from burning pulverized coal in electric power generating plants.
  2. It consists primarily of oxides of silicon, aluminum iron and calcium.
  3. There are two common types of fly ash: Class D and Class H.

Which of the statement(s) given above is/are correct? Choose the correct answer from the codes given below:

A
1 and 2
B
2 and 3
C
1 and 3
D
1, 2 and 3

Hydrochlorofluorocarbons

Consider the following statements:

  1. Hydrochlorofluorocarbons (HCFCs) are a group of man-made compounds containing hydrogen, fluorine and carbon.
  2. These are ozone depleting substances and potent greenhouse gases that are controlled under the Montreal Protocol.
  3. HCFCs usually dissolve in water, but do not dissolve in organic (carbon-containing) solvents.
  4. HCFCs are used in a wide variety of applications, including refrigeration, air conditioning, foam blowing, solvents, aerosols, and fire suppression.

Which of the statements given above is/are correct?

A
1 and 2
B
1 and 3
C
2 and 3
D
2 and 4

Green Credit Scheme

Consider the following statements with reference to the “Green Credit Scheme”:

  1. The scheme allows agencies like private companies, village forest communities to identify lands for forest cultivation and ensures plantations are carried out.
  2. After 2 years, these identified lands would be considered as compensatory forest land after meeting forest department’s criteria.

Which of the above statements is/are correct?

A
Only 1
B
Both1 and 2
C
Only 2
D
Neither 1 nor 2

Coastal Regulation Zone

Consider the following statements:

  1. The coastal areas have been classified into four categories—CRZ-I, CRZ-II, CRZ-III and CRZ-IV—in the 1991 notification, which aimed at restricting establishment of industries in these areas.
  2. CRZ-I includes areas situated between the high and low tide lines. Exploration of natural gas and extraction of salt are permitted in this zone.
  3. CRZ-III includes rural and urban areas which fall outside CRZ-I and CRZ-II are covered under CRZ-III. Only agriculture-related activities and public facilities are permitted in this zone.

Choose the correct answer from the codes given below:

A
Only 1
B
1 and 3
C
Only 2
D
1, 2 and 3

National Ganga Council

Recently, the Prime Minister chaired the first meeting of the National Ganga Council at Kanpur, Uttar Pradesh. Consider the following statements about the National Ganga Council:

  1. The National Ganga Council, also known as the National Council for Rejuvenation, Protection, and Management of River Ganga was set up in 2016. It replaced the National River Ganga Basin Authority (NRGBA).
  2. The jurisdiction of the National Ganga Council extends to the States comprising River Ganga Basin, namely, Himachal Pradesh, Uttar Pradesh, Madhya Pradesh, Chhattisgarh, Bihar, Rajasthan,Uttarakhand, West Bengal, Jharkhand, Haryana and the National Capital Territory of Delhi and such other States, having major tributaries of the River Ganga.

Choose the correct answer from the codes given below:

A
Only 1
B
Only 2
C
Both 1 and 2
D
Neither 1 nor 2

Etalin Hydroelectric Project

Recently, the Union Government recommended a biodiversity study of the proposed 3,097 MW Etalin Hydroelectric Project in Arunachal Pradesh : Consider the following statements about the Etalin Project:

  1. The proposed hydropower project is supposed to be built in the biodiversity-rich Dihang valley of Arunachal Pradesh.
  2. The project involves the construction of two concrete gravity dams, one on the Tangon and other on the Dri rivers.

Choose the correct answer from the codes given below:

A
Only 1
B
Only 2
C
Both 1 and 2
D
Neither 1 nor 2

Geochemical Baseline Atlas Of India

Recently, the CSIR- National Geophysical Research Institute has brought out the Geochemical Baseline Atlas of India for environment management purpose.Consider the following given statements about the Atlas:

  1. The atlas consist 45 maps of metals, oxides and elements present in top and bottom soils across India.
  2. The map trace elements from top soil i.e. top 25 cm depth and bottom soil at 100 cm depth from the year 2006 to 2011.

Choose the correct answer from the codes given below:

A
Only 1
B
Only 2
C
Both 1 and 2
D
Neither 1 nor 2

Green Crackers

In order to tackle the menace of air pollution due to traditional fire crackers, the government has introduced eco-friendly Green crackers. Consider the following statements about the Green crackers:

  1. It is based on formulations developed by a consortium of eight laboratories under the Council of Scientific and Industrial Research (CSIR) led by Nagpur-based National Environmental Engineering Research Institute(NEERI).
  2. The green crackers do not have barium and strontium salts as constituents and so create less polluting particles.

Choose the Correct answer from the codes given below:

A
Only 1
B
Only 2
C
Both 1 and 2
D
Neither 1 nor 2

National Mission For Clean Ganga

Recently, the National Mission for Clean Ganga (NMCG) issued a 15-point directive to prevent idol immersion into river Ganga and its tributaries and on their banks. Consider the following statements about the directives:

1. According to the directive, a fine of Rs. 100,000 would be imposed if immersion of idols took place in the Ganga or its tributaries during festivals, including Dussehra, Diwali, Chhath and Saraswati Puja.

2. These directives were issued by NMCG under Section-5 of the Environment (Protection) Act, 1986.

Choose the correct answers from the codes given below:

A
Only 1
B
Only 2
C
Both 1 and 2
D
Neither 1 nor 2
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