Class 6 Science
Chapter 16
Garbage in, Garbage out
1. What is the conversion of plant and animal waste as well as kitchen waste into natural fertilizers?
i) Preparation of cassava manure
ii) Preparation of compost
iii) waste
Answer: ii) Preparation of compost
2. What is the English form of the word 'repetition'?
i) Recycling
ii) Repaid
iii) Return
Answer: i) Recycling
3. What is the method of composting kitchen waste using red spiders?
i) Preparation of compost
ii) Preparation of red earthworms
iii) Manure preparation
Answer: iii) Manure preparation
4. The What needs to be done with food leftovers in the house?
i) he throwing in the pond
ii) The preparation of compost
iii) neither
Answer: ii) Preparation of compost
5. There are no red spiders.
i) mouth
ii) tongue
iii) teeth
Answer: iii) Teeth
7. How much food does a red spider eat in a day?
i) half his own weight
ii) equal to their own body weight
iii) One-fourth of one's body weight
Answer: ii) Equal to the weight of one's own body
8. What environment do red spiders live in?
i) In cold environments
ii) In hot environments
iii) In a slightly warmer and slightly cooler environment
Answer: iii) In a slightly hot and slightly cold environment
9. Which of the following is the cleanest environment?
i) The urban environment
ii) The rural environment
iii) neither
Answer: ii) Rural environment
10. The plastics are rotten
i) It doesn't go
ii) goes
iii) Both of the above
Answer: i) It doesn't go
11. What does plastic do to release harmful gases?
i) Heated it up
ii) They burned it
iii) Both of the above
Answer: iii) Both of the above
12. Should I use plastic bags to store food?
i) You don't have to
ii) ought
iii) It takes less
Answer: ii) Not necessary
13. What is the English form of the word 'compost'?
i) Compost
ii) Garbage
iii) Waste
Answer: i) Compost
14. When is enough dry leaf burnt in a city like Delhi?
i) In the rainy season
ii) In the springtime
iii) In the autumn
Answer: iii) In autumn
15. What is being done in the picture below?
i) Garbage piles are buried in pits
ii) Compost has been prepared
iii) Spider manure has been prepared
Answer: i) The garbage pile is buried in the pit
16. What is it called when some substances decompose into fertilizer?
i) Organic fertilizers
ii) Melting
iii) Decomposition
Answer: iii) Decomposition
17. What kind of garbage is usually used for disposal in blue garbage bins?
i) The rotten things
ii) Things that can be reused
iii) Both of the above
Answer: ii) Recyclable items
18) Which of these is a cause of environmental pollution?
i) Garbage
ii) Waste
iii) Recycling
Answer: i) Garbage
19. Is it right to burn the dry leaves?
i) Should be
ii) It's inappropriate
iii) neither
Answer: ii) Inappropriate
20. What is produced by burning dry leaves?
i) Harmful smoke
ii) Compost fertilizer
iii) Organic fertilizers
Answer: i) Harmful smoke
