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Question 1 of 10
1. Question
2 points
With reference to the occurrence of Tides on Earth’s surface, consider the following statements:
1. The difference between the force of gravitational attraction of the sun and moon and the centrifugal force leads to the generation of tides.
2. The intensity of tides is magnified by the shape of bays and estuaries along a coastline.
3. The tidal ranges are more than average at aphelion.
Which of the statements given above is/are correct?
Correct
When the earth is closest to the sun (perihelion), around 3rd January each year, tidal ranges are also much greater, with unusually high and unusually low tides.
When the earth is farthest from the sun (aphelion), around 4th July each year, tidal ranges are much less than average.
Incorrect
Question 2 of 10
2. Question
2 points
Consider the following statements:
1. It is the region of descending air currents or wind divergence with anticyclonic activities.
2. The air is comparatively dry and winds are calm and light.
3. It is frequently referred to as the Horse Latitudes.
Which of the following pressure belts is being described in the above statements?
Correct
The subtropical high pressure, also known as the horse latitudes are located between 30 and 35 degrees both north and south. It is the region of descending air currents or wind divergence.
This region receives little precipitation and has variable winds because of high pressure, so the air is dry and calm.
Due to this particular reason, most of the deserts are present along this belt in both the hemispheres such as the Sahara Desert in Africa, northern Mexico, and some parts of the Middle East in the northern hemisphere; and the Australian Desert, Atacama Desert, the Kalahari Desert in the southern hemisphere.
Incorrect
Question 3 of 10
3. Question
2 points
Consider the following statements with reference to incoming solar radiation received by the earth:
1. Net energy received per unit area increases with increase in latitude.
2. The degree of transparency of atmosphere causes variations in insolation.
Which of the statements given above is/are correct?
Correct
The atmosphere consists of different layers with varying density and temperature. The column of atmosphere is divided into five different layers depending upon the temperature condition.
Incorrect
Question 4 of 10
4. Question
2 points
Bioprospecting is:
Correct
Bioprospecting is exploring molecular, genetic and species level diversity for products of economic importance.
Incorrect
Question 5 of 10
5. Question
2 points
With reference to ecological succession, the term ‘Seres’ refer to:
Correct
Seres refers to the entire sequence of communities that successively change in a given area.
Incorrect
Question 6 of 10
6. Question
2 points
Consider the following statements regarding Biogeochemical cycles:
1. The reservoir for the sedimentary cycle is located in the earth’s crust.
2. Gaseous cycles are considered relatively imperfect than sedimentary cycle since some nutrients are lost from the cycle and become unavailable for immediate recycling.
Which of the above statements is/are correct?
Correct
Sedimentary cycles are considered to be imperfect than Gaseous cycle since some nutrients are lost from the cycle and become unavailable for immediate recycling.
Incorrect
Question 7 of 10
7. Question
2 points
Consider the following:
1. Regulate
2. Conform
3. Migrate
4. Dormancy
Which of the above are the ways through which living organisms cope with stressful situations?
Correct
All the statements are correct.
Incorrect
Question 8 of 10
8. Question
2 points
Which of the following statements is/are correct?
1. The absence of nutrients in waters is responsible for an algal bloom.
2. Eutrophication refers to the aging of a lake by anthropogenic activities.
3. Plants of water hyacinth leads to imbalance in the aquatic ecosystem.
Select the correct answer using the code given below:
Correct
The presence of large amounts of nutrients in waters causes algal bloom.
Eutrophication is the natural aging of a lake by biological enrichment of its water.
Incorrect
Question 9 of 10
9. Question
2 points
Biodiversity Hotspots refers to:
Correct
Regions with very high levels of species richness and a high degree of endemism are identified as Biodiversity Hotspots.
Incorrect
Question 10 of 10
10. Question
2 points
Consider the following pairs:
1. Eurythermal – Organisms that are restricted to a narrow range of temperatures.
2. Stenothermal – Organisms that can thrive in a wide range of temperatures.
3. Euryhaline – Organisms that are tolerant of a wide range of salinities.
4. Stenohaline – Organisms that are restricted to a narrow range of salinities.
Which of the above statements are incorrect?
Correct
Eurythermal – Organisms that can thrive in a wide range of temperatures.
Stenothermal – Organisms that are restricted to a narrow range of temperatures.
