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)

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

(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.

(A)

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

(a)

pesticides in agriculture

(b)

preservatives in processed foods

(c)

fruit-ripening agents

(d)

moisturising agents in cosmetics

(A)