Vermicomposting

Q.

What do you mean by composting? [1 MARK]

Q.

Question 1 (a)

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

Q.

The process of composting in which red worms are used for composting is called vermicomposting.

1. True
2. False

Q.

Structure in red worms which help in grinding their food is

1. Teeth

2. Gizzard

3. Tongue

4. None of these

Q.

How will you make a vermicomposting pit? [5 MARKS]

Q.

Why the Earthworm called friends of farmers?

Q.

Question No 22

Answer the following questions in one or two words or sentences.

(a) Why should we prefer to use paper bags rather than polythene bags?

(b) Who out of the following, should properly dispose off the garbage-father, mother, elder brother, younger sister?

(c) Which one out of beetles, roundworm and earthworm are used for vermicomposting and why?

Q.

Question 1

The method of preparing compost with the help of earthworms is called
(a) composting
(b) vermicomposting
(c) manuring
(d) decomposing

Q. Use of earthworms for the decomposition of organic matter is called _____.

1. manuring
2. vermicomposting
3. recycling
4. composting

Q. Layer of wastes in a vermicomposting pit is kept moist and loose. Which of the following would be the correct reason for it?

1. To allow worms to move
2. To allow gases to release
3. NOT to allow sufficient air and moisture
4. NOT to decompose the garbage

Q. Why does a mosquito not have teeth?

Q. Which kind of garbage is not converted into compost by red worms?

1. Biodegradable
2. Both A and B
3. Non - Biodegradable
4. None of these

Q.

You must have seen earthworms moving around during rainy seasons. They are extremely useful for the soil and prepare compost by a method known as

1. Decomposition

2. Vermicomposting

3. Fermentation

4. Annealing

Q. Which of the following cannot be used for composting?

1. Plastic bag
2. Rotten banana
3. Vegetable peels
4. Fruits peels

Q. Which amongst the following organism is farmer’s friend and is used in agriculture?

1. Cows
2. Buffalos
3. Earthworm
4. Horses

Q.

How do earthworms help us in cleaning? Which are the other organisms that help in cleaning?

Q. Which of the following terms refers to 'rotting and conversion of organic materials into manure by earthworms and redworms'?

1. Manuring
2. Vermicomposting
3. Garbage
4. Landfill

Q.

What do we understand by vermiculture?

1. Rearing of hogs

2. Rearing of pigs

3. Rearing of earthworms

4. None of the choices

Q. Vermicompost is prepared using _________ .

1. tapeworms
2. roundworms
3. redworms
4. flatworms

Q.

Which kind of garbage is not converted into compost by red worms?

1. Biodegradable

2. Non-Biodegradable

3. Both A and B

4. None of these

Q.

Seema was scared of earthworms and wanted to kill all of them but her father said they are good. Why?

1. Earthworms enter your homes

2. Earthworms pollute soil

3. Earthworms are farmer's friend

4. Earthworms are food for fishes

Q.

Give three reasons why compost is preferable to fertilizers. [3 MARKS]

Q. Vermicomposting is

1. The process of adding earthworms to the waste material to help decomposition
2. Using ultraviolet radiation to kill , the harmful microorganisms present in the drinking water
3. Cutting pupil of the eye with the laser beams to give better sight to the people
4. Medication used to remove dandruff of the hair

Q. Which of the following is a method of waste disposal involving earthworms and redworms?

1. Pediculture
2. Vermicomposting
3. Sericulture
4. Pisciculture

Q. The steps required for conversion of kitchen garbage into manure are given below in a jumbled form. Select the option with the correct sequence.​

i) Put garbage in the pit.​
ii) Cover the bottom of the pit with sand.
iii) Cover the pit loosely with a gunny bag or grass.​
iv) Add worms.​
[2 marks]
[NCERT Exemplar Q6]
[Vermicomposting]

1. iv; i; ii; iii
2. ii; iv; i; iii
3. ii; i; iii; iv​
4. i; ii; iii; iv​

Q.

Which kind of garbage is not converted into compost by red worms?

1. Non-biodegradable

2. Both A and B

3. Biodegradable

4. None of these

Q. Which of the following can be collected in the blue-coloured garbage bin?

1. Fruits
2. Plastics
3. Vegetables
4. Biscuits

Q.

What are used to make vermicomposting?

Q.

Name the structure in red worms which help in grinding their food.

1. Gizzard

2. Tongue

3. Teeth

4. Skin

Q. is the process in which earthworms are mixed with organic waste to make compost.

1. Vermicomposting
2. Mulching
3. Windrow