Insights Static Quiz -142, 2018
Physical Geography and Environment
INSIGHTS IAS QUIZ ON STATIC SYLLABUS - 2018
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Question 1 of 5
1. Question
Which of the following geographical phenomenon is/are vertical motions of ocean water
- Waves
- Tides
- Upwelling
Select the correct answer using codes given below
Correct
Answer – a
- Physical forces like of the sun, moon and the windsinfluence the movement of ocean water. Thehorizontal and vertical motions are commonin ocean water bodies.
- The horizontal motionrefers to the ocean currents and waves. Ocean currentsare the continuous flow of huge amount ofwater in a definite direction while the wavesare the horizontal motion of water. Water movesahead from one place to another through oceancurrents while the water in the waves does notmove, but the wave trains move ahead. Hence statement 1 is correct.
- Thevertical motion refers to the rise and fall of waterin the oceans and seas. Due to attraction ofthe sun and the moon, the ocean water is raisedup and falls down twice a day, called tides. The upwellingof cold water from subsurface and the sinkingof surface water are also forms of verticalmotion of ocean water.
Incorrect
Answer – a
- Physical forces like of the sun, moon and the windsinfluence the movement of ocean water. Thehorizontal and vertical motions are commonin ocean water bodies.
- The horizontal motionrefers to the ocean currents and waves. Ocean currentsare the continuous flow of huge amount ofwater in a definite direction while the wavesare the horizontal motion of water. Water movesahead from one place to another through oceancurrents while the water in the waves does notmove, but the wave trains move ahead. Hence statement 1 is correct.
- Thevertical motion refers to the rise and fall of waterin the oceans and seas. Due to attraction ofthe sun and the moon, the ocean water is raisedup and falls down twice a day, called tides. The upwellingof cold water from subsurface and the sinkingof surface water are also forms of verticalmotion of ocean water.
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Question 2 of 5
2. Question
Consider the following statements about Biogeochemical cycles
- Solar energy is the primary element of the cycles
- In its gaseous cycle, both atmosphere and ocean are considered to be main reservoirs of nutrients
Select the correct answer using codes below
Correct
Answer – C
- Biogeochemical cycle starts by absorbing the chemical elements by the organism and is returned to the air, water and soil through decomposition. Thus the cycles are largely energised by solar insolation. These are cyclic movements of chemical elements of the biosphere between the organism and the environment. Hence statement 1 is correct.
- There are two types of biogeochemical cycles : the gaseous and the sedimentary
- In the gaseous cycle, the main reservoir of nutrients is the atmosphere and the ocean.
- In the sedimentary cycle, the main reservoir is the soil and the sedimentary and other rocks of the earth’s crust. Hence statement 2 is correct.
Incorrect
Answer – C
- Biogeochemical cycle starts by absorbing the chemical elements by the organism and is returned to the air, water and soil through decomposition. Thus the cycles are largely energised by solar insolation. These are cyclic movements of chemical elements of the biosphere between the organism and the environment. Hence statement 1 is correct.
- There are two types of biogeochemical cycles : the gaseous and the sedimentary
- In the gaseous cycle, the main reservoir of nutrients is the atmosphere and the ocean.
- In the sedimentary cycle, the main reservoir is the soil and the sedimentary and other rocks of the earth’s crust. Hence statement 2 is correct.
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Question 3 of 5
3. Question
Consider the following statements about solar insolation as energy source
- Less than 1% of it that reaches the earth is used for photosynthesis
- In plants, it is primarily used for respiration
Select the correct answer using codes below
Correct
Answer – C
- Out of the total solar insolation that reaches the earth’s surface, only a very small fraction (0.1 per cent) is fixed in photosynthesis. Hence statement 1 is correct.
- More than half is used for plant respiration and the remaining part is temporarily stored or is shifted to other portions of the plant. Hence statement 2 is correct.
Incorrect
Answer – C
- Out of the total solar insolation that reaches the earth’s surface, only a very small fraction (0.1 per cent) is fixed in photosynthesis. Hence statement 1 is correct.
- More than half is used for plant respiration and the remaining part is temporarily stored or is shifted to other portions of the plant. Hence statement 2 is correct.
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Question 4 of 5
4. Question
An ecological system comprises of interactions between organism such that there are
- Random energy cycles
- Clearly defined material cycles
Which of the statements above is/are correct?
Correct
Answer – B
- The interactions of a particular group of organisms with abiotic factors within a particular habitat resulting in clearly defined energy flows and material cycles on land, water and air, are called ecological systems. Hence statement 1 is incorrect, but statement 2 is correct.
Incorrect
Answer – B
- The interactions of a particular group of organisms with abiotic factors within a particular habitat resulting in clearly defined energy flows and material cycles on land, water and air, are called ecological systems. Hence statement 1 is incorrect, but statement 2 is correct.
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Question 5 of 5
5. Question
Which of the following are decomposers
- Mongoose
- Vulture
- Crow
Select the correct answer using codes given below
Correct
Answer – B
- Certain carnivores that feed also on carnivores are known as top carnivores like hawks and mongooses. Hence statement 1 is incorrect
- Decomposers are those that feed on dead organisms (for example, scavengers like vultures and crows), and further breaking down of the dead matter by other decomposing agents like bacteria and various microorganisms. Hence statement 2 and 3 are correct.
Incorrect
Answer – B
- Certain carnivores that feed also on carnivores are known as top carnivores like hawks and mongooses. Hence statement 1 is incorrect
- Decomposers are those that feed on dead organisms (for example, scavengers like vultures and crows), and further breaking down of the dead matter by other decomposing agents like bacteria and various microorganisms. Hence statement 2 and 3 are correct.