Question 1 :
Beera, a farmer would clear his field everyday, and burn dry leaves fallen on the ground. After sometime he found that those living huts near his field were suffering from cough and breathing problems. Suggest an environment friendly way to dispose the dry leaves.

Question 2 :
State True or False: When insecticides, motor oil, paints are poured down the drain, it kills useful microbes that help purify water.

Question 3 :
Is it possible to reduce the problems relating to disposal of garbage?

Question 4 :
To what use can you put the following kind of garbage: Old newspapers

Question 5 :
Fill in the blanks. The process related to 'Organic waste' and 'Earthworms' is ____.

Question 6 :
Should we prefer to use paper bags rather than polythene bags?

Question 7 :
Paheli was writing a letter to her friend. She crumpled and threw the first draft of her letter on the floor as it had become untidy. Similarly she crumpled and threw 6 more papers on the ground. In the end, she picked them up and put them in a polythene bag and threw it on the road outside her house. Do you think Paheli's action were responsible?

Question 8 :
Fill in the blanks. The method of preparing compost with the help of earthworms is called _____.

Question 10 :
Is it possible to reduce the problems relating to disposal of garbage ?

Question 13 :
To what use can you put the following kind of garbage: Rotting smelly garbage

Question 14 :
The rotting and conversion of some materials into manure is called _______.

Question 16 :
Fill in the blanks. A garbage collector separate items mentioned below in the garbage into red, green and blue containers for their transfer to landfill, composting pit, and recycling unit respectively. Egg shells are transferred to _____.

Question 17 :
Who, out of the following, should properly dispose of the garbage: (i) Father (ii) Mother (iii) Elder brother (iv) Younger sister

Question 19 :
In some cities and towns, municipalities provide separate dustbins for collecting two kinds of garbage. Usually one is coloured blue and the other green.

Question 20 :
Safai karamcharis collect the garbage in trucks and take it to a low lying open area, called a __________.

Question 21 :
Why it is better to use compost instead of chemical fertilizers?

Question 23 :
Why is it better to use compost instead of chemical fertilisers ?

Question 24 :
State TRUE or FALSE: Redworms not survive in very hot or very cold surroundings. They do not need moisture around them.

Question 25 :
Can we can use recycled paper instead of normal papers for decorating purposes?

Question 27 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c678f59b460d7261e605.PNG' /> The pie charts A and B shown in the above 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?

Question 29 :
Which kind of garbage is not converted into compost by the redworms ?