Consider the following:

1. Carbon monoxide
2. Methane
3. Ozone
4. Sulphur dioxide

Which of the above are released into atmosphere due to the burning of crop/biomass residue

Options

(a)

1 and 2 only

(b)

2, 3 and 4 only

(c)

1 and 4 ‘only

(d)

1, 2, 3 and 4

Answer

(D)

Environment › PollutionXSources

2019

Why is there a great concern about the ‘microbeads’ that are released into environment?

Options

(a)

They are considered harmful to marine ecosystems.

(b)

They are considered to cause skin cancer in children

(c)

They are small enough to be absorbed by crop plants in irrigated fields.

(d)

They are often found to be used as food adulterants.

Answer

(A)

Environment › PollutionXSources

2019

In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals are used as

Options

(a)

pesticides in agriculture

(b)

preservatives in processed foods

(c)

fruit-ripening agents

(d)

moisturising agents in cosmetics

Answer

(A)

SpeciesXExotic/Invasive

Environment › SpeciesXExotic/Invasive

2019

Recently, there was a growing awareness in our country about the importance of Himalayan nettle (Girardinia diversifolia) because it is found to be a sustainable source of

Options

(a)

anti-malarial drug

(b)

blodiesel

(c)

pulp for paper industry

(d)

textile fibre

Answer

(A)

SpeciesXHabitat

Environment › SpeciesXHabitat

2019

Consider the following pairs:

Wildlife Naturally found in

1. Blue-finned Mahseer Cauvery River
2. Irrawaddy Dolphin Chambal River
3. Rusty-spotted Cat Eastern Ghats

Which of the pairs given above are correctly matched?

Options

(a)

1 and 2 only

(b)

2 and 3 only

(c)

1 and 3 only

(d)

1, 2 and 3

Answer

(C)

Environment › SpeciesXHabitat

2019

Consider the following statements:
1. Asiatic lion is naturally found In India only.
2. Double-humped camel is naturally found in India only.
3. One-horned rhinoceros is naturally found in India only.
Which of the statements given above is / are correct?

Options

(a)

1 only

(b)

2 only

(c)

1 and 3 only

(d)

1, 2 and 3

Answer

(A)

Environment › SpeciesXHabitat

2019

Which one of the following groups of plants was domesticated in the ‘New World’ and introduced into the ‘Old World’?

Options

(a)

Tobacco, cocoa and rubber

(b)

b)Tobacco, cotton and rubber.

(c)

Cotton, coffee and sugarcane

(d)

Rubber, coffee and wheat

Answer

(A)

SpeciesXPeculiar features

Environment › SpeciesXPeculiar features

2019

Consider the following statements:

1. Some species of turtles are herbivores.
2. Some species of fish are herbivores.
3. Some species of marine mammals are herbivores.
4. Some speeies of snakes are viviparous.

Which of the statements given above are correct?

Options

(a)

1 and 3 only

(b)

2, 3 and 4 only

(c)

e) 2 and 4 only

(d)

1, 2, 3 and 4

Answer

(D)

Wetlands

Environment › Wetlands

2019

Consider the following statements:

1. Under Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve all the wetlands in the territory of India.
2. The Wetlands (Conservation and Management) Rules, 2010 were framed by the Government of India based on the recommendations of Ramsar Convention.
3. The Wetlands (Conservation and Management) Rules, 2010 also encompass the drainage area or catchment regions of the wetlands as determined by the authority.

Which of the statements given above is / are correct?

Options

(a)

1 and 2 only

(b)

2 and 3 only

(c)

3 only

(d)

1, 2 and 3

Answer

(C)