Very Short Question Answers: Garbage In, Garbage Out | Basic Science for Primary 5 PDF Download

VERY SHORT Q & A:

Q1: We never throw rubbish or garbage from our homes, school, shops and offices. True/ False.

Ans: false

Q2: The wrapping material of grains, biscuits and milk go out as _____________________.

Ans: Garbage

Q3: We generate so much _______________ in our day to day activities

a. Garbage

b. Water

c. air

Ans: Garbage

Q4: Who collect the garbage from the bins to the landfill?

Ans: Safai karamcharis

Q5: Name the area of land where garbages are collected or dumped, the area is later converted into a park.

Ans: Landfill

Q6: A garbage has both useful and non useful components. True/False

Ans: True

Q7: Name some of the kitchen garbage.

Ans: Fruits and vegetable peels, egg shells, waste food tea leaves.

Q8: Polythene bags are useful components of garbage or not?

Ans: No

Q9: Some of the materials in the garbage rots to form__________________.

Ans: Compost

Q10: Garbage heaps of dried leaves should be

a. Burned

b. Converted into useful compost

c. Thrown in water bodies

Ans: Converted into useful compost

Q11: Define composting

Ans: Compost is organic matter that has been decomposed and recycled as a fertilizer and soil amendment. The method of making compost is called composting.

Q12: What are the colours of two different dustbins provided by municipalities for garbage?

Ans: Blue and green

Q13: Blue coloured dustbins are meant for what type of garbage?

Ans: For materials that can be used again such as plastics, metals and glasses which are decomposable.

Q14: What is the nature of garbage that are dumped into green coloured dustbin?

Ans: Kitchen ,plants and animals waste, that can be rot completely when burried in the soil.

Q15: What type of waste materials rot completely when burried in the soil?

Ans: Kitchen ,plants and animals waste.

Q16: Which will rot completely: plants waste or plastic?

Ans: Plant waste

Q17: Sort the materials as waste of blue bin or green bin, Kitchen waste, glass lens,egg shell, plastic bottle, animal wastes, dried leaves, metal container.

Ans: Blue bin: glass lens, plastic bottle, metal container Green bin - Kitchen waste,egg shell, animal wastes, dried leaves.

Q18: Gardener is burning garbage heap of dried leaves? Do you think he is doing right?

Ans: No, because burning of leaves produce harmful gases and pollute our environment.

Q19: Burning of any substances causes air pollution.True/ False

Ans: True

Q20: We can be friends of plants by supplying them with composting. True/False

Ans: True

Q21: What is vermicomposting?

Ans: The process of making compost with the help of redworms is called vermicomposting.

Q22: Which type of earthworm is used for composting?

Ans: Redworm

Q23: Do redworm shave teeth?

Ans: No

Q24: What will you feed a redworm?

Ans: Vegetables and fruits waste, coffee and tea remains nad weed from the fields and garden.

Q25: Redworm grows in __________________ surrounding.

Ans: Moist

Q26: Can we recycle paper?

Ans: Yes

Q27: Why polythene bags create a big problem in garbage disposal?

Ans: Because it did not rot/ decompose.

Q28: Paper can be recycled to get useful products. True/False

Ans: True

Q29: Drains get choked due to plastic thrown by us. True/False

Ans: True

Q30: Which one is the better to use- compost or chemical fertilisers?

Ans: Compost pit