Chapter 16
Garbage in, Garbage out
1.What is the conversion of plant and animal waste as well as kitchen waste into natural fertilizers?
a) Preparation of compost
b) waste
c) Preparation of cassava manure
Answer: a) Preparation of compost
2.What is the English form of the word ‘repetition’?
a) Repaid
b) Return
c) Recycling
Answer: c) Recycling
3.What does red spiders don’t have ?
a) tongue
b) mouth
c) teeth
Answer: c) teeth
4. The What needs to be done with food leftovers in the house?
a) The throwing in the pond
b) The preparation of compost
c) neither
Answer: b) The preparation of compost
5.The plastics are rotten.
a) goes
b) It doesn’t go
c) Both of the above
Answer: b) It doesn’t go
6.What does plastic do to release harmful gases?
a) Heated it up
b) They burned it
c) Both of the above
Answer: c) Both of the above
7. Should we use plastic bags to store food?
ought
a) We don’t have to
b) Keep less
c) We have to
Answer: a) We don’t have to
8. What is the purpose of burning enough dry leaves in a city like Delhi?
a) In the rainy season
b) In the springtime
c) In the autumn
Answer: c) In the autumn
9. What is it called when some substances decompose into fertilizer?
a) Decomposition
b) Melting
c) Organic fertilizers
Answer: a) Decomposition
10. What is it called when some substances decompose into fertilizer?
a) compostable fertilizers
b) Melting
c) Decomposition
Answer: c) Decomposition
11. Is it right to burn the dry leaves?
a) It’s inappropriate
b) Should be
c) None of the above
Answer: a) It’s inappropriate