Environment
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Question 1 |
Consider the following statements
- Sun is the only source of energy for all ecosystems on Earth
- Of the incident solar radiation more than 50 per cent of it is Photosynthetically Active Radiation (PAR)
Select the correct code
A | Only 1
|
B | Only 2
|
C | Both |
D | None |
Question 2 |
Arrange the following in increasing order of ‘Productivity in Ecosystem’ (metric tonne per year)
A | Woodland and shrubland < tropical rain forest < Continental shelf < Open sea |
B | Continental shelf < Woodland and shrubland < Tropical rain forest < Open ocean
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C | Tropical rain forest< Continental shelf< Woodland and shrubland < Open ocean
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D | Woodland and shrubland < Continental shelf < Tropical rain forest < Open ocean
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Question 3 |
Consider the following statements about ecological pyramids
- Grassland and forest ecosystem have similar Pyramid of Numbers.
- Pyramid of Biomass is the most accurate among three ecological pyramids-Number, Biomass and Energy.
- Pyramid of Energy is always upright in nature irrespective of type of ecosystem.
Select the correct code
A | 1 and 2 |
B | 1, 2 and 3
|
C | Only 2
|
D | Only 3
|
Question 4 |
Which among the following can effectively be examples of ‘Secondary Succession’?
- Formation of a new Island after volcanic eruption
- The renewal of a forest after a fire
- A flooded land
- The renewal of a crop after harvesting
Select the correct option
A | 1, 2 and 3
|
B | 2, 3 and 4
|
C | 1, 3 and 4 |
D | All
|
Question 5 |
If the concentration of oxygen gets doubled in the atmosphere, what can be the possible effects of the same?
- We will die young
- Most insects will grow bigger in size
- We will be less prone to sickness
- Our Vehicle will give better mileage
Select the correct option
A | 1, 2 and 3 |
B | 1, 3 and 4
|
C | 1, 2, 3 and 4 |
D | 2, 3 and 4 |
Question 6 |
The ecological footprint is a measure of human demand on the Earth's ecosystems. It measures-
- How much of the biological capacity of the planet is demanded by a given human activity or population
- Ecological Footprints is calculated for overall activity of a nation or population and activities such as industrialization etc.
- The disadvantage of Ecological Footprint is that it cannot be calculated for individual people or area.
Select the wrong statement/s
A | 1 and 2
|
B | Only 2 |
C | 1 and 3
|
D | Only 3
|
Question 7 |
Which of the following describes the relationship of Mutualism?
- Pollination
- Rhizobium
- Human and Bacteria
- Zoochory
Select the correct code-
A | 1, 2 and 3
|
B | 2, 3 and 4
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C | 2 and 4
|
D | All
|
Question 8 |
Bioluminescence is the production and emission of light by a living organism. Which of the following exhibit the phenomenon of Bioluminescence?
- Krill
- Fungi
- Bacteria
- Winged beetles
- Octopus
Select the correct code/s
A | 1, 2, 4 and 5 |
B | 1, 3, 4 and 5 |
C | 2, 3, 4 and 5
|
D | All
|
Question 9 |
‘A transition area between two adjacent but different landscape patches’ is called as
A | Ecozone |
B | Ecoregion |
C | Ecotone
|
D | Ethology |
Question 10 |
If you travel through the villages and interior of Central India and Northern India, the traditional Water Harvesting System to be witnessed will be-
- Zing
- Johad
- Kunds
- Surangam
- Kere
Select the correct codes
A | 1, 2, and 3 |
B | 1, 3, 4 and 5
|
C | 2, 4 and 5
|
D | All |
Question 11 |
Consider the following statements
- The percentage of Open forest in India is more than Moderately Dense forest
- Area covered under Plantation is more than very Dense forest
- Shifting Cultivation has increased over the years and shares more land use as compared to Non-Forestry Plantation.
Select the correct code
A | 1, 2 and 3
|
B | 2 and 3
|
C | 1 and 3
|
D | None
|
Question 12 |
Soil erosion is one of the major reasons for depleting forest covers of India. Consider the following statements w.r.t this-
- Excessive erosion of bottom soil reduces both the fertility and water holding capacity of the soil.
- Major part of Indian forest cover has undergone heavy soil erosion amounting almost 30% of Recorded Forest Area.
Select the correct code-
A | Only 1
|
B | Only 2
|
C | Both
|
D | None |
Question 13 |
Which of the following is/are artificial methods of ‘Forest Regeneration’?
- Taungya System
- Silviculture System
Select the correct code-
A | Only 1
|
B | Only 2
|
C | Both
|
D | None |
Question 14 |
Consider the statements regarding ‘Coral bleaching’
- It is the loss of zooxanthellae through either expulsion or loss of algal pigmentation.
- It happens due to increase in ocean temperature only
- All the corals undergoing bleaching are dead corals
Select the correct code-
A | 1 and 3 |
B | Only 2
|
C | Only 1 |
D | 2 and 3
|
Question 15 |
Rhodiola has been a significant herb of research interests among the scientist all over the world. Consider the statements w.r.t Rhodiola
- It has immunomodulatory, adaptogenic and radio-protecting abilities.
- The root part is used by local people as vegetables
- It is found in cold regions of the world
Which of the following statements is /are correct
A | 1, 2, and 3 |
B | 1 and 2
|
C | Only 3 |
D | 1 and 3 |
Question 16 |
Consider the statement below
Germany is investing in an emission reduction project in India as an alternative to reducing emissions domestically. It will be called as-
A | Joint Implementation |
B | Clean Development Mechanism |
C | Certified Emission Reduction Credits
|
D | None |
Question 17 |
Identify the correct statement
- The Bio-safety protocol deals with genetically modified organism
- The Bio-safety protocol is also called as Nagoya Protocol
- Both Nagoya and Cartagena Protocol deals with genetic resources
Select the correct code
A | 1 and 2 |
B | 2 and 3 |
C | 1, 2 and 3 |
D | 1 and 3
|
Question 18 |
The formation of ozone hole in the Antarctica region has been a cause of concern. What could be the reason for the formation of this hole?
A | Presence of prominent tropospheric turbulence and inflow of chlorofluorocarbons
|
B | Presence of prominent polar front and stratospheric clouds and inflow of
chlorofluorocarbons. |
C | Absence of polar front and stratospheric clouds and inflow of chlorofluorocarbons. |
D | Increased temperature of polar region due to global warming |
Question 19 |
Consider the following statements regarding Bio-asphalt
- It is eco-friendly to use bio-asphalt for surfacing of the roads
- Unlike traditional asphalts, bio-asphalts is not based on fossil fuels.
- Bio-asphalt can be made from organic waste materials.
- Bio-asphalt can be made from non-renewable resources
Select the correct code-
A | 1, 3 and 4
|
B | 2, 3 and 4
|
C | 1, 2 and 3 |
D | All |
Question 20 |
Which bacterial strain, developed from natural isolates by genetic manipulations, can be used for treating oil spills?
A | Agrobacterium |
B | Clostridium
|
C | Nitrosomonas
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D | Pseudomonas
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Question 21 |
Consider the statements about adaptation in the animals leading a subterranean mode of life:
- Digging organs for food
- Special body contour to increase metabolism
- Neck and pinnae are reduced to avoid obstruction in quick movement through the holes
Select the correct code:
A | 1 Only |
B | 2 Only |
C | 1 and 2 Only |
D | 1 and 3 Only |
Question 22 |
Consider the statements regarding desert adaptation
- Hygroscopic skin to absorb moisture
- Large pinnae to function as efficient heat radiators
- Impermeable skin
Select the correct code:
A | 1 Only
|
B | 1 and 2 Only
|
C | 1 and 3 Only |
D | All of the above
|
Question 23 |
Consider the statements- Acid rain results into
- Deterioration of Forests
- Destruction of Automotive coating.
- Reduction of Photosynthetic rate
- Increase methane emission from wetlands.
Select the correct code:
A | 1 and 2 Only
|
B | 1, 2 and 3 Only |
C | 1, 3 and 4 Only |
D | All of the above
|
Question 24 |
Choose the right one about oil spill
- It reduces Photosynthetic activities in water bodies.
- It results into killing of birds and mammals that die of hypothermia
- Food web of water bodies gets even more complex
Select the correct code:
A | 1 Only |
B | 1, 2 Only |
C | 1, 3 Only |
D | All of the above |
Question 25 |
Out of initiatives given below which will prove to be factors having positive impact on menace of global warming.
- Eastern Dedicated Freight Corridor (DFC) Project
- Digital India.
- Campaign stressing on use of LED bulbs
- “Give it up” campaign.
Select the correct code:
A | 1 and 2 Only |
B | 1, 2 and 3 Only |
C | 1, 3 and 4 Only
|
D | All of the above
|
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