Question

Select the group of different substances that make soil rich in nutrients.

• A. Polethlene bags, crokery items and softdrink tins.
• B. Kitchen waste, leaves and fruit peels.
• C. Urea, DDT and compost.
• D. Wrappers of chips, waste CDs and unused batteries.

Answer 1

The correct option is B

Kitchen waste, leaves and fruit peels.

Kitchen waste, leaves and fruit peels are completely organic in nature and can be decomposed naturally into simpler compounds. The simple organic and inorganic molecules add to the fertility of the soil and make it nutrient rich.
Other substances mentioned are non-biodegradable and their direct disposal into soil or water can have harmful effects. Compost is biodegradable but in this case, it is grouped with non-biodegradable substances.