Environment & Ecology - 2024 PYQ

Question 21 of 13

"Membrane Bioreactors" are often discussed in the context of:

A Assisted reproductive technologies B Drug delivery nanotechnologies C Vaccine production technologies D Wastewater treatment technologies

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Question 22 of 13

Consider the following statements :

1. Lions do not have a particular breeding season.
2. Unlike most other big cats, cheetahs do not roar.
3. Unlike male lions, male leopards do not proclaim their territory by scent marking.

Which of the statements given above are correct?

A 1 and 2 only B 2 and 3 only C 1 and 3 only D 1, 2 and 3

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Question 23 of 13

Consider the following:

1. Carabid beetles
2. Centipedes
3. Flies
4. Termites
5. Wasps

Parasitoid species are found in how many of the above kind of organisms?

A Only two B Only three C Only four D All five

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Question 24 of 13

Consider the following statements:

Statement-I: The Indian Flying Fox is placed under the "vermin" category in the Wild Life (Protection) Act, 1972.
Statement-II: The Indian Flying Fox feeds on the blood of other animals.

Which one of the following is correct in respect of the above statements?

A Both Statement-I and Statement-II are correct and Statement-II explains Statement-I B Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I C Statement-I is correct, Statement-II is incorrect D Statement-I is incorrect, but Statement-II is correct

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Question 25 of 13

Consider the following materials:

1. Agricultural residues
2. Corn grain
3. Wastewater treatment sludge
4. Wood mill waste

Which of the above can be used as feedstock for producing Sustainable Aviation Fuel ?

A 1 and 2 only B 3 and 4 only C 1, 2, 3 and 4 D 1, 3 and 4 only

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Question 26 of 13

Consider the following:

1. Butterflies
2. Fish
3. Frogs

How many of the above have poisonous species among them?

A Only one B Only two C All three D None

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Question 27 of 13

Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?

A Fig B Mahua C Sandalwood D Silk cotton

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Question 28 of 13

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements :

1. PFAS are found to be widespread in drinking water, food and food packaging materials.
2. PFAS are not easily degraded in the environment.
3. Persistent exposure to PFAS can lead to bioaccumulation in animal bodies.

Which of the statements given above are correct?

A 1 and 2 only B 2 and 3 only C 1 and 3 only D 1, 2 and 3

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Question 29 of 13

One of the following regions has the world's largest tropical peatland, which holds about three years worth of global carbon emissions from fossil fuels; and the possible destruction of which can exert detrimental effect on the global climate. Which one of the following denotes that region?

A Amazon Basin B Congo Basin C Kikori Basin D Rio de la Plata Basin

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Question 30 of 13

Consider the following statements:

Statement-I: The atmosphere is heated more by incoming solar radiation than by terrestrial radiation.
Statement-II: Carbon dioxide and other greenhouse gases in the atmosphere are good absorbers of long wave radiation.

Which one of the following is correct in respect of the above statements?

A Both Statement-I and Statement-II are correct and Statement-II explains Statement-I B Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I C Statement-I is correct, but Statement-II is incorrect D Statement-I is incorrect, but Statement-II is correct

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Question 31 of 13

The organisms "Cicada, Froghopper and Pond skater" are:

A Birds B Fish C Insects D Reptiles

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Question 32 of 13

Consider the following statements :

Statement-I: Many chewing gums found in the market are considered a source of environmental pollution.
Statement-II: Many chewing gums contain plastic as gum base.

Which one of the following is correct in respect of the above statements?

A Both Statement-I and Statement-II are correct and Statement-II explains Statement-I B Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I C Statement-I is correct, but Statement-II is incorrect D Statement-I is incorrect, but Statement-II is correct

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Question 33 of 13

According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?

A Locomotives using fossil fuels B Ships using fossil fuels C Extraction of metals from ores D Power plants using fossil fuels

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