38 Questions
What does Abiotic refer to?
Non-living things
What percentage of the sun's energy do green plants utilize to prepare their food by photosynthesis?
1 per cent
Which of the following is a conventional source of energy?
Oil energy
Which invasive species is known to cause skin allergies?
Congress weed
What is the name of the first wildlife sanctuary in India?
Vedanthangal Bird Sanctuary
What is the time duration of this question paper?
2 hours
How many questions are there in this question paper?
50
What is the maximum marks of this question paper?
500
What is the full form of DDT?
Dichlorodiphenyltrichloroethane
In which year was the Department of Environment established in India?
1980
Where was the first International Convention on Wetlands held?
Ramsar in Iran
Which Indian wetlands were included in the Ramsar Convention?
Chilka and Bharatpur
What is the name of the convention that deals with Long-Range Transboundary Air Pollution?
Convention on Long-Range Transboundary Air Pollution
What is the main purpose of the Department of Environment in India?
To protect and conserve the environment
What is the name of the ministry that deals with environmental issues in India?
Ministry of Environment, Forest and Climate Change
What is a result of habitat modification?
Changes in species composition due to humans
What is the focus of the Convention on Wetlands?
To conserve and manage wetlands
Who is involved in growing fast growing trees?
Local people
What is an example of an organism that can make its own food?
Autotroph
Which of the following wildlife sanctuaries is situated in Bihar?
None of the above
What type of organism lives in water and is unable to swim?
Plankton organisms
What is the correct classification of sponges?
Benthos
What is the term for organisms that obtain their energy by consuming other organisms?
Heterotrophs
What is the main goal of habitat modification?
To grow fast growing trees
What is the result of a higher concentration of greenhouse gases in the atmosphere?
All of the above
Who expanded the determinism approach?
Ellsworth Huntington
What is the name of the organization involved in conservation efforts?
The World Conservation Monitoring Centre
What percentage of the sun's energy is utilized by green plants for photosynthesis?
The exact percentage is not specified
What is a result of fragmentation of original habitat?
Changes in species composition due to humans
Which of the following sanctuaries is known for the Gangetic Dolphin?
Vikramshila Gangetic Dolphin Sanctuary
What is the process of accumulation of harmful chemical substances like pesticides, in the body of living organisms at each trophic level of a food chain?
Biological magnification
What term is used to describe species that are not found after searches of likely areas where they may occur?
Extinct species
What is meant by ignitability?
Capable of catching fire easily
Where is the Himalaya yew found?
Himachal Pradesh and Arunachal Pradesh
What is the name of the ancient Indian text that deals with medicine?
The Charak Samhita
What is the name of the lake mentioned in the passage?
Vembanad Kayal
What is the conservation reserve mentioned in the passage?
Beas Conservation Reserve
What is the name of the valley mentioned in the passage?
Narrow valley
Study Notes
Environmental Studies
- Abiotic means non-living.
- Green plants utilize 1% of the sun's energy to prepare their food by the process of photosynthesis.
- The full form of DDT is Dichlorodiphenyltrichloroethane.
- The Department of Environment was established in India in 1980.
- The Convention on Long-Range Transboundary Air Pollution was held in none of the above locations.
- Sponges are an example of Benthos.
- The higher concentration of greenhouse gases in the atmosphere causes change in the water cycle, change in the climate cycle, and rise in the sea level.
- Determinism approach was expanded by Ellsworth Huntington.
- Habitat modification may occur due to fragmentation of original habitat, pollution, changes in species composition due to humans, and all of the above.
- Autotrophs are organisms that can make their own food.
- Plankton organisms live in water and are unable to swim.
- The World Conservation Monitoring Centre is located in the U.K.
- The surface of the earth is 71% water.
- The process of accumulation of harmful chemical substances like pesticides, in the body of living organisms at each trophic level of a food chain is known as Biological Magnification.
- Ignitability means capable of catching fire easily.
- Himalaya yew is found in Himachal Pradesh and Arunachal Pradesh.
Wildlife Sanctuaries
- The first wildlife sanctuary in India is Vedanthangal Bird Sanctuary.
- Chilka and Bharatpur are Indian wetlands found in Ramsar in Iran.
- Valmiki National Park is situated in Bihar.
- The Convention on Wetlands was held in Ramsar in Iran in February 1971.
Ecology
- Benthos are organisms that live at the bottom of a water body.
- Nekton are organisms that live in water and are able to swim.
- Periphyton are organisms that live on the surface of a water body.
- Neuston are organisms that live on the surface of a water body.
Conservation
- Extinct species are those that are not found after searches of known or likely areas where they may occur.
Sample question paper for Environmental Studies with objective type questions. Time allotted is 2 hours and maximum marks are 500.
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