GEOGRAPHY MCQS SET 124

GEOGRAPHY MCQS SET 124

1231) Consider the following statements Chlorofluorocarbons, known as ozone-depleting substances, are used
1. in the production of plastic foams.
2. in the production of tubeless tyres.
3. in cleaning certain electronic components.
4. as pressurising agents in aerosol cans
Which of the statements given above is/are correct?
A) 1, 2 and 3
B) Only 4
C) 1,3 and 4
D) 1, 2, 3 and 4

Answer: 1, 2, 3 and 4
   
1232) The acidification of oceans is increasing. Why is this phenomenon a cause of concern?
1. The growth and survival of calcareous phytoplankton will be adversely affected.
2. The growth and survival of coral reefs will be adversely affected.
3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4. The cloud seeding and formation of clouds will be adversely affected.
Which of the statements given above is/are correct?
A) 1, 2 and 3
B) Only 2
C) 1 and 3
D) 1 , 2 , 3 and 4

Answer: 1, 2 and 3
   
1233) What would happen if phytoplankton of an ocean is completely destroyed for some reason?
1. The ocean as a carbon sink would be adversely affected.
2. The food chains in the ocean would be adversely affected.
3. The density of ocean water would drastically decrease.
Which of the statements given above is/are correct?
A) 1 and 2
B) Only 2
C) Only 3
D) 1, 2 and 3

Answer: 1 and 2
   
1234) Match List I (air pollutant) with List II (part affected) and select the correct answer using the codes given below the lists.
List I      List II
A. Asbestos dust      1. Brain
B. Lead      2. Stomach
C. Mercury      3. Lung
D. Carbon monoxide      4. Blood stream Codes

Below codes are given as A B C D
A) 1 2 3 4
B) 3 1 2 4
C) 3 2 4 1
D) 2 3 1 4

Answer: 3 1 2 4
   
1235) Which of the following substances is/are ozone depleting?
1. Chlorofluorocarbons
2. Halans
3. Carbon tetrachloride
Which of the statements given above is/are correct?
A) Only 1
B) 1 and 2
C) 2 and 3
D) 1,2and3

Answer: 1,2and3

1236) The non biotic pollutant of underground water is
A) bacteria
B) algae
C) arsenic
D) viruses

Answer: arsenic
   
1237) Lichens are the best indicator of
A) air pollution
B) water pollution
C) soil pollution
D) noise pollution

Answer: soil pollution
   
1238) Normally, the temperature decreases with the increase in height from the Earth's surface. because
1. the atmosphere can be heated upwards only from the Earth's surface.
2. there is more moisture in the upper atmosphere.
3. the air is less dense in the upper atmosphere.
Which of the statements given above is/are correct?
A) Only 1
B) 2 and 3
C) 1 and 3
D) 1,2 and 3

Answer: 1 and 3
   
1239) Match the following
List I      List II
A. Ozone      1. Ratio of reflected hole radiation to radiation received
B. Green      2. Acceleration effect of house ozone destruction
C. Global      3. Increase in 002 level warming
D. Albedo      4. Difterence in the outgoing and incoming radiation of the atmosphere

Below codes are given as A B C D
A) 2 4 3 1
B) 4 3 2 1
C) 3 4 2 1
D) 2 1 3 4

Answer: 2 4 3 1
   
1240) Consider the following
1. Photosynthesis
2. Respiration
3. Decay of organic matter
4. Volcanic action
Which of the above add carbon dioxide to the carbon cycle on Earth?
A) 1 and 4
B) 2 and 3
C) 2, 3and 4
D) 1 , 2 , 3 and 4

Answer: 2, 3and 4