Insights Static Quiz -269, 2019
Environment
INSIGHTS STATIC QUIZ 2019
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Question 1 of 5
1. Question
Consider the following statements about Echolocation
- It is the use of sound waves and echoes to determine where objects are in space.
- Only birds use Echolocation to locate and identify the objects.
Which of the above statements is/are correct?
Correct
Solution: a)
Echolocation, also called bio sonar, is the biological sonar used by several kinds of animals. Echolocating animals emit calls out to the environment and listen to the echoes of those calls that return from various objects near them. They use these echoes to locate and identify the objects.
Asia’s river dolphins may be nearly blind, but compensate by using many methods to catch prey. Though chiefly known as echolocators, researchers now suggest that these dolphins could also be listening for surface-swimming fish and sensing electrical signals emitted by bottom-dwelling prey on the river-bed.
Incorrect
Solution: a)
Echolocation, also called bio sonar, is the biological sonar used by several kinds of animals. Echolocating animals emit calls out to the environment and listen to the echoes of those calls that return from various objects near them. They use these echoes to locate and identify the objects.
Asia’s river dolphins may be nearly blind, but compensate by using many methods to catch prey. Though chiefly known as echolocators, researchers now suggest that these dolphins could also be listening for surface-swimming fish and sensing electrical signals emitted by bottom-dwelling prey on the river-bed.
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Question 2 of 5
2. Question
Major factors that cause Storm surges include
- Fall in the atmospheric pressure over the sea surface
- Wind effect
- Tides
Select the correct code:
Correct
Solution: d)
Storm surges (tidal waves) are defined as the rise in sea level above the normally predicted astronomical tide. Major factors include:
- A fall in the atmospheric pressure over the sea surface
- Effect of the wind
- Influence of the sea bed
- A funnelling effect
- The angle and speed at which the storm approaches the coast
- The tides
Incorrect
Solution: d)
Storm surges (tidal waves) are defined as the rise in sea level above the normally predicted astronomical tide. Major factors include:
- A fall in the atmospheric pressure over the sea surface
- Effect of the wind
- Influence of the sea bed
- A funnelling effect
- The angle and speed at which the storm approaches the coast
- The tides
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Question 3 of 5
3. Question
Which among the following is the main constituents of Biogas?
Correct
Solution: a)
Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of Nitrogen, Hydrogen, hydrogen sulphide and oxygen.
Incorrect
Solution: a)
Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of Nitrogen, Hydrogen, hydrogen sulphide and oxygen.
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Question 4 of 5
4. Question
Consider the following statements about Geothermal energy.
1. Geothermal fields are situated in circum-pacific margins and rift zones of East Africa.
2. The production of geothermal energy does not produce any greenhouse gases.
3. In India, the Puga valley in the Ladakh region is the potential geothermal field.
Which of the above statements is/are correct?
Correct
Solution: c)
- Geothermal energy is natural heat from the interior of the earth that can be used to generate electricity as well as to heat up buildings.
Major geothermal fields are situated in circum-pacific margins, rift zones of East Africa, North Africa, Mediterranean basin of Europe, across Asia to Pacific.
In India, exploration and study of geothermal fields started in 1970. The GSI (Geological Survey of India) has identified 350 geothermal energy locations in the country. The most promising of these is in Puga valley of Ladakh. The estimated potential for geothermal energy in India is about 10000 MW.
Geothermal Energy production releases greenhouse gases like carbon dioxide and methane.
Incorrect
Solution: c)
- Geothermal energy is natural heat from the interior of the earth that can be used to generate electricity as well as to heat up buildings.
Major geothermal fields are situated in circum-pacific margins, rift zones of East Africa, North Africa, Mediterranean basin of Europe, across Asia to Pacific.
In India, exploration and study of geothermal fields started in 1970. The GSI (Geological Survey of India) has identified 350 geothermal energy locations in the country. The most promising of these is in Puga valley of Ladakh. The estimated potential for geothermal energy in India is about 10000 MW.
Geothermal Energy production releases greenhouse gases like carbon dioxide and methane.
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Question 5 of 5
5. Question
Which of the following adds/add nitrogen to the soil?
- Burning of coal by man
- Death of vegetation
- Excretion of urea by animals
Select the correct answer using the codes given below.
Correct
Solution: c)
Burning of coal by man is the main source of atmospheric carbon dioxide. It has nothing to do with adding nitrogen to the soil.
Nitrogenous waste products of living organisms such as urea and dead remain of organisms are converted back into inorganic ammonia by the bacteria.
Incorrect
Solution: c)
Burning of coal by man is the main source of atmospheric carbon dioxide. It has nothing to do with adding nitrogen to the soil.
Nitrogenous waste products of living organisms such as urea and dead remain of organisms are converted back into inorganic ammonia by the bacteria.
