Ecology mcq's

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Hi Friends, Today I would like to share UPSC MCQ's for prelims 2019, try to solve them friends, I will give the key and clarify your doubts in the comment section. Every day practice of mcq's and revision gives more chance to crack the exam.

The below mcq's from Ecology, every year from ecology and environment we will get questions compulsory. Try to find out the answers. Share your knowledge and tell me your advice for improvization, your suggestions are always welcome. If anybody don't get the answers ask me in the below comment section, prepare well friends, thank you.

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Ecology MCQ's:-

1. Consider the following statements:-

1. The percentage of Open forest in India is more than Moderately Dense forest

2. Area covered under Plantation is more than very Dense forest

3. Shifting Cultivation has increased over the years and shares more land use as

compared to Non-Forestry Plantation.

Select the correct code:-

1. 1, 2 and 3

2. 2 and 3

3. 1 and 3

4. None

2. Soil erosion is one of the major reasons for depleting forest covers of India. Consider

the following statements w.r.t this:-

1. Excessive erosion of bottom soil reduces both the fertility and water holding capacity

of the soil.

2. Major part of Indian forest cover has undergone heavy soil erosion amounting

almost 30% of Recorded Forest Area.

Select the correct code:-

1. Only 1

2. Only 2

3. Both

4. None

3. Which of the following is/are artificial methods of ‘Forest Regeneration’?

1. Taungya System

2. Silviculture System

Select the correct code:-

1. Only 1

2. Only 2

3. Both

4. None

4. Consider the statements regarding ‘Coral bleaching’:-

1. It is the loss of zooxanthellae through either expulsion or loss of algal pigmentation.

2. It happens due to increase in ocean temperature only

3. All the corals undergoing bleaching are dead corals

Select the correct code:-

1. 1 and 3

2. Only 2

3. Only 1

4. 2 and 3

5. Rhodiola has been a significant herb of research interests among the scientist all over

the world. Consider the statements w.r.t Rhodiola:-

1. It has immunomodulatory, adaptogenic and radio-protecting abilities.

2. The root part is used by local people as vegetables

3. It is found in cold regions of the world

Which of the following statements is /are correct:-

1. 1, 2, and 3

2. 1 and 2

3. Only 3

4. 1 and 3

6. 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:-

1. Joint Implementation

2. Clean Development Mechanism

3. Certified Emission Reduction Credits

4. None

7. Identify the correct statement:-

1. The Bio-safety protocol deals with genetically modified organism

2. The Bio-safety protocol is also called as Nagoya Protocol

3. Both Nagoya and Cartagena Protocol deals with genetic resources

Select the correct code:-

1. 1 and 2

2. 2 and 3

3. 1, 2 and 3

4. 1 and 3

8. 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?

1. Presence of prominent tropospheric turbulence and inflow of chlorofluorocarbons

2. Presence of prominent polar front and stratospheric clouds and inflow of

chlorofluorocarbons.

3. Absence of polar front and stratospheric clouds and inflow of chlorofluorocarbons.

4. Increased temperature of polar region due to global warming

9. Consider the following statements regarding Bio-asphalt:-

1. It is eco-friendly to use bio-asphalt for surfacing of the roads

2. Unlike traditional asphalts, bio-asphalts is not based on fossil fuels.

3. Bio-asphalt can be made from organic waste materials.

4. Bio-asphalt can be made from non-renewable resources

Select the correct code:-

1. 1, 3 and 4

2. 2, 3 and 4

3. 1, 2 and 3

4. All

10. Which bacterial strain, developed from natural isolates by genetic manipulations, can

be used for treating oil spills?

1. Agrobacterium

2. Clostridium

3. Nitrosomonas

4. Pseudomonas

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