InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Provide the suitable term that expresses the meaning of each of the following statements.(a) Greeting cards made from newspaper.(b) Contents of the waste bins.(c) Worms converting certain kinds of waste into manure.(d) An area where a lot of garbage is collected, spread out and covered with soil. |
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Answer» (a) Recycling (b) Garbage (c) Vermicomposting (d) Landfill |
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| 2. |
To what use can you put the following kinds of garbage and how?(i) rotting smelly garbage(ii) dry leaves collected in a garbage(iii) old newspapers |
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Answer» (i) Convert into compost. (ii) Use as manure. (iii) Recycle to make paper bags or paper pulp for handicrafts. |
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| 3. |
Given below are steps in vermicomposting and each step has been given an alphabet. Rearrange the steps in the correct sequence and write the alphabets on the chart provided. One step is done for you.F Dig a pit in a suitable place in your garden.C Spread sand on the floor of the pit.E Add vegetable peels and fruits waste in the pit.A Sprinkle water to keep it moist.D Place red worms in the pit.B Cover with a gunny bag or grass.Step 1 - F2 -3 -4 -5 -6 - |
| Answer» Step 1 = F, 2 = C, 3 = E, 4 = B, 5 = A, 6 = D | |
| 4. |
Beera, a farmer would clear his field everyday, and burn dry leaves fallen on the ground. After sometime he found that those living in huts near his field were suffering from cough and breathing problems. (i) Can you explain why? (ii) Also suggest an environment friendly way to dispose the dry leaves. |
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Answer» (i) Fumes and gases from burning materials cause cough and breathing problem |
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| 5. |
Read the poem written below and then answer the questions from the information gathered from the book or elsewhere.(i) Name the two kinds of waste that need to be separated from each other in two different waste bins.(ii) Name two items of waste each that need to be sent to a(a) landfill, (b) for composting. |
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Answer» (i) The waste that can be acted upon by bacteria or earthworms from those that cannot be degraded. |
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| 6. |
Correct the definitions of certain terms given below by changing only one word.(i) Compost: Substances converted into manure for use in industries.(ii) Landfill: Garbage buried under water in an area.(iii) Recycling: Reuse of unused material in the same or another form. |
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Answer» (i) replace industries by fields or agricultural fields (ii) change water and write soil (iii) substitute unused by used |
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| 7. |
Read the items mentioned in Columns I and II and fill in the related process in the Column IIICOLUMN ICOLUMN IICOLUMN III(A) Organic WasteEarrthworms(i) ................(b) GarbageDig Pit and fill With garbage(ii) ...............(c) Old newspaperpaper bags(iii) ............... |
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Answer» (i) vermicomposting (ii) garbage disposal/landfill (iii) recycle |
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| 8. |
The pie charts A and B shown in Fig. 16.1 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 and why? |
| Answer» X because the kitchen waste and polythene bags are disposed of separately. | |
| 9. |
Put a tick (√) against the garbage items given in Table 16.1 which could be converted into manure. Put a cross (×) against the others.Garbage ItemsMake manure or not(i)Egg(ii)Straw(iii)Dry flowers(iv)Pebbles(v)Broken Pieces of glass(vi)Nails and screws(vii)Plastic bangles(viii)Left over food(ix)Steel broken vessel(x)Dead animals |
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Answer» Tick (√) against i, ii, iii, viii, x Cross (×) against iv, v, vi, vii, ix |
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| 10. |
Write 3 sentences on what comes to your mind when you chance to see the following.(a) A rag picker.(b) A cow eating a polythene bag.(c) Foul odour emanating from garbage at the entrance of your house. |
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Answer» a. (i) Poor people or poverty |
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| 11. |
Is garbage disposal the responsibility only of the government ? |
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Answer» Along with government and local muncipality corporations, it is also the duty of every citizen to help in garbage disposal. A clean environment is necessary to keep us healthy and also to avoid spread of diseases. We should throw garbage at proper places, such as dustbins so that safai karmcharis can collect the garbage easily. |
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| 12. |
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 of the garbage – father, mother, elder brother, younger sister?(c) Which one out of beetles, roundworm and earthworm are used for vermicomposting and why? |
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Answer» (a) Paper can be recycled, polythene bags do not degrade. |
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| 13. |
Why should we not burn plastic items? |
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Answer» Hint: |
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| 14. |
Recently, a ban on plastic bags has been imposed in many places? Is the ban justified? Give reasons in three sentences. |
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Answer» Give your justification according to your stand if you are for or against the ban. |
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| 15. |
(a)Collect different kinds of packaging material. What was the purpose for which each one was used? Discuss in groups.(b) Give an example in which packaging could have been reduced?(c) Write a story on how packaging increases the amount of garbage. |
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Answer» (a) Different kinds of packaging materials used commonly are: |
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| 16. |
What do you do with the left over food at home ? |
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Answer» Left over food at home along with other kitchen waste like vegetable peels, paper are dumped into compost pit to convert them into manure. Later on the manure is used to grow plants. |
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| 17. |
Write a story on how packaging increases the amount of garbage. |
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Answer» Packaging increases the amount of garbage as it is quite useless after the product is delivered and utilised. These useless packaging materials are thrown away and just add loads to the garbage. Some of them are made of plastics and are non – biodegradable and are hazardous to the environment. |
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| 18. |
If you and your friends are given the choice of eating in a plastic plate or a banana leaf platter at a party, which one would you prefer and why? |
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Answer» We will select banana leaf platter because it can be easily converted into manure by composting. Plastic plate can be recycled but in this process it gives out harmful gases which pollute the environment. Plastic items cannot be converted into manure by composting. |
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| 19. |
Do you think it is better to use compost instead of chemical fertilizers. Why? |
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Answer» Yes, I think it is better to use compost instead of chemical fertilizer because: 1. It is environment friendly and add natural fertility to the soil. 2. It doesn’t have adverse effect on nature and creates no pollution. 3. The food items grown are also healthy and do not contain any chemicals. 4. It is cheaper than the chemical fertilizer. 5. Soil will never loss its fertility if we use compost. |
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