Burning of leaves is harmful. Why? Is burning of leaves considered illegal in India. If no, do you suggest it should be made illegal?

5

(a)

Vermicompost produced from kitchen waste is far more better than chemical fertilisers. Why?

5

(a)

The pie charts A and B shown in the figure are based on waste segregation method adopted by two families X and Y, respectively.

Which of the two families X or Y, do you think is more environmentally conscious and why?

5

(a)

Municipality provides two types of dustbins for garbage collection. One blue coloured and one green coloured. Among the following wastes provided which, waste will you put in which dustbin?
Plastic materials, metal and glass items, waste of plants and animals, peels of fruits and vegetables, dried leaves and twigs, remains of meat like flesh and bones.

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(a)

Beautiful handcrafted articles like boxes and toys are made up of paper pulp in our country. Can you explain how paper pulp which is made from paper can be used to make hard boxes and other articles?

5

(a)

What happens when
(a) cooking medium is made to flow down a drain?
(b) insecticides, motor oil, paints are poured down the drain?
(c) tea leaves, cotton swabs and old soft toys are thrown into the drain?

5

(a)

Some waste materials can be reused in different forms. Can you make something useful with these waste materials-powder container, cold drink cans, plastic bottles, shoe boxes.

5

(a)

Write three sentences on what comes to your mind when you get a chance to see the following.
(a) A rag picker 
(b) A cow eating a polythene bag.
(c) Foul odour emanating from garbage at the entrance of your house.

5

(a)

Precautions should be taken while storing cooked food items in plastic bags. Why?

5

(a)

What is composting ? Do you think it is better to use compost instead of chemical fertilizers? Why?

5

(a)

Write the main drawbacks of plastics.

5

(a)

Given below are steps in vermi-composting and each step has been given in alphabet. Rearrange the steps in the correct sequence and write the alphabets on the chart provided. One step is done for you. A Sprinkle water to keep it moist.
B Cover with a gunny bag or grass.
C Spread sand on the floor of the pit.
D Place red worms in the pit.
E Add vegetable peels and fruit waste in the pit.
F Dig a pit in a suitable place in your garden

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(a)