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question_answer1)
Which of these includes culturing of earthworms and redworms?
A)
Pediculture done
clear
B)
Vermicomposting done
clear
C)
Sericulture done
clear
D)
Pisciculture done
clear
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question_answer2)
In which of these places bio-degradable waste is dumped and converted to organic manure?
A)
Rivers done
clear
B)
Ponds done
clear
C)
Lakes done
clear
D)
Pits done
clear
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question_answer3)
Observe and identify the figure given below.
A)
bio-degradable waste done
clear
B)
danger done
clear
C)
decomposting done
clear
D)
recycled and reused done
clear
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question_answer4)
Why should the inorganic garbage be not burnt?
A)
It pollutes the environment done
clear
B)
Soil becomes warm and dry done
clear
C)
Decomposers in the soil get destroyed done
clear
D)
Water in the soil get dried up done
clear
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question_answer5)
Observe some of these items given below.
Which of these items cannot be recycled?
A)
P done
clear
B)
Q done
clear
C)
R done
clear
D)
S done
clear
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question_answer6)
The exposed garbage bin encourages the spread of
A)
non-infectious diseases done
clear
B)
deficiency diseases done
clear
C)
congenital diseases done
clear
D)
infectious diseases done
clear
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question_answer7)
Anish buried the following in a corner of his garden to dispose them off.
A broken egg shell |
Pencil shavings |
Dry leaves |
Plastic carry bags |
Fruit vegetable peels |
If the corner is dug up 5 years later, which of these is most likely to have remained the same?
A)
Dry leaves done
clear
B)
A broken egg shell done
clear
C)
Plastic carry bags done
clear
D)
Fruit and vegetable peels done
clear
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question_answer8)
Some things were buried in wet ground. Several years later they were dug up. Which thing is most likely to have stayed the same?
A)
A newspaper done
clear
B)
A paper cup done
clear
C)
A potato peel done
clear
D)
A plastic glass done
clear
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question_answer9)
Which of the following is the best way of keeping our surroundings clean?
A)
Throwing garbage on the road. done
clear
B)
Letting waste water to flow on the road. done
clear
C)
Throwing garbage into covered bins. done
clear
D)
Spitting in the open. done
clear
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question_answer10)
Which of the following get completely decompose?
A)
Left over food done
clear
B)
Broken glass done
clear
C)
Aluminium wrapper done
clear
D)
Polythene bags done
clear
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question_answer11)
Which of these articles cannot be recycled and used again?
A)
Newspaper done
clear
B)
Banana peel done
clear
C)
Raincoat done
clear
D)
Plastic bags done
clear
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question_answer12)
Which of the following is a good practice, concerning with the garbage collected from our houses?
A)
Organic wastes should be dumped in garden. done
clear
B)
Organic wastes should be thrown in public places. done
clear
C)
Organic wastes should be dumped in compost pit. done
clear
D)
Organic wastes should be thrown on the road side. done
clear
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question_answer13)
Why should we keep the vermi-composting waste layer moist and loose?
A)
To allow worms to move. done
clear
B)
To allow gases to release. done
clear
C)
NOT to allow sufficient air and moisture. done
clear
D)
NOT to decompose the garbage. done
clear
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question_answer14)
Observe the given figures. Which of the following are biodegradable waste?
A)
P, Q, S done
clear
B)
Q, R, T done
clear
C)
P, Q, T done
clear
D)
P, Q, R, S, T done
clear
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question_answer15)
Solid kitchen wastes can be
A)
composted. done
clear
B)
vermicomposted. done
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C)
dumped in pit. done
clear
D)
all of the above done
clear
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question_answer16)
The vermi compost is prepared by using
A)
red worms done
clear
B)
tapeworms done
clear
C)
roundworms done
clear
D)
flatworms done
clear
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question_answer17)
Which of the following processes can be done to reuse used materials?
A)
Production done
clear
B)
Reduction done
clear
C)
Recycle done
clear
D)
Composting done
clear
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question_answer18)
Non-biodegradable waste like plastic and metals should be
A)
recycled. done
clear
B)
burnt. done
clear
C)
composted. done
clear
D)
dumped in land fills. done
clear
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question_answer19)
The rotting and conversion of some materials into manure is called
A)
recycling. done
clear
B)
composting. done
clear
C)
garbage. done
clear
D)
land fill. done
clear
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question_answer20)
Which of these is non-biodegradable?
A)
Newspaper done
clear
B)
Orange peel done
clear
C)
Egg shell done
clear
D)
Coketin done
clear
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question_answer21)
A material X is biodegradable, can be recycled and is non toxic and very useful. What is 'X' ?
A)
Glass bottle done
clear
B)
Plastic bottle done
clear
C)
Metal can done
clear
D)
Paper done
clear
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question_answer22)
How can dried leaves and rotten vegetables be useful?
A)
By converting them to compost. done
clear
B)
By treating them with acids. done
clear
C)
By recycling. done
clear
D)
By burning. done
clear
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question_answer23)
Which of the following products will rot fastest when buried in soil?
A)
Vegetable wastes done
clear
B)
Plastic bottle done
clear
C)
Glass jar done
clear
D)
Eraser done
clear
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question_answer24)
Landfills are most commonly used method of soil waste disposal. Which is the best place for landfill in a city?
A)
Near a school. done
clear
B)
Outside the city. done
clear
C)
Near a hospital. done
clear
D)
Near a park. done
clear
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question_answer25)
Why is it desirable to use a jute bag for shopping?
A)
Jute is biodegradable. done
clear
B)
Jute bags are stronger. done
clear
C)
Jute is natural. done
clear
D)
All of these. done
clear
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question_answer26)
Which of the following 3R's are useful to save the environment?
A)
Revise, Reuse, Redeem. done
clear
B)
Reduce, Reuse, Recycle. done
clear
C)
Reduce, Resell, Redeem. done
clear
D)
Revise, Resell, Reuse. done
clear
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question_answer27)
After a science lesson on 'Man and his environment' a group of pupils grouped as P, Q, R and S made the following statements about recycling.
P - Recycling reduces pollution |
Q - Recycling makes the environment unfit of living things |
R - Recycling helps to conserve energy |
S - Recycling results in wastage of natural resources |
Who has made the correct statement?
A)
P and Q done
clear
B)
P and R done
clear
C)
Q and S done
clear
D)
Q and R done
clear
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question_answer28)
Which of these articles can be recycled and used again?
A)
Newspaper done
clear
B)
Plastic bags done
clear
C)
Banana peel done
clear
D)
Both (a) and (b) done
clear
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question_answer29)
Which of the following terms is used for rotting and conversion of some materials into manure by using redworms?
A)
Manuring done
clear
B)
Vermicomposting done
clear
C)
Garbage done
clear
D)
Landfill done
clear
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question_answer30)
Which of the following takes the least time to decompose?
A)
Pen done
clear
B)
Book done
clear
C)
Grapes done
clear
D)
Rain coat done
clear
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question_answer31)
My Which of the following processes reduce pollution from animal excreta and organic waste from kitchen and also used economically in producing energy?
A)
Recycling. done
clear
B)
Using them for producing biogas. done
clear
C)
Dumping in land fills. done
clear
D)
Using them directly as bio fertilizers. done
clear
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question_answer32)
Which of the following materials can be recycled?
A)
Papers such as old newspapers, magazines and boxes. done
clear
B)
Metals such as tin and aluminium used a food cans. done
clear
C)
Food scraps such as chicken and fish bones. done
clear
D)
Both (a) and (b) done
clear
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question_answer33)
What happens when waste materials is/ are NOT properly disposed of?
A)
Pollution of water sources such as rivers and ponds. done
clear
B)
Pollution of soil. done
clear
C)
Breeding of disease - carrying vectors. done
clear
D)
All of these done
clear
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question_answer34)
Which of the following is/are NOT an disadvantage of waste decay?
A)
Decaying wastes give out poisonous gases. done
clear
B)
Decaying wastes give out an unpleasant smell. done
clear
C)
Biodegradable wastes are used to make compost. This make the soil fertile and help plants to grow strong and healthy. done
clear
D)
All of these. done
clear
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question_answer35)
Indiscriminate disposal of plastic wastes can cause environmental pollution. Which of the following statements is/are true?
A)
Plastics are made by chemicals. done
clear
B)
Plastics are non-biodegradable. done
clear
C)
Plastics produce toxic gases when burnt. done
clear
D)
All of these done
clear
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question_answer36)
Observe the given figures. Which of the following will rot first?
A)
P done
clear
B)
Q done
clear
C)
R done
clear
D)
S done
clear
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question_answer37)
Given below is the information about waste management. Which of the following is/are the results of waste management?
(i) Reduction of air, water and land pollution. |
(ii) Conservation of natural resources |
(iii) Increase of air, water and land pollution. |
A)
(i) and (ii) only done
clear
B)
(i) and (iii) only done
clear
C)
(ii) and (iii) only done
clear
D)
(i), (ii) and (iii) done
clear
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question_answer38)
Why is it difficult or impossible to degrade non-biodegradable wastes?
A)
Because non-biodegradable wastes can be recycled. done
clear
B)
Because microorganisms cannot decompose it. done
clear
C)
Because it is a solid waste. done
clear
D)
All of the above. done
clear
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question_answer39)
Read the information about a substance 'P' given below.
P |
Can be recycled |
Bio-degradable |
Non-toxic and useful |
Which of the following substance is 'P?
A)
Paper done
clear
B)
Glass bottle done
clear
C)
Metal can done
clear
D)
Plastic bottle done
clear
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question_answer40)
In a campaign to save the environment, the following habits are encouraged.
Reduce the use of paper |
Recycle newspaper |
Reuse paper bags |
What is the aim of the campaign?
A)
To conserve petrol. done
clear
B)
To use more plastic. done
clear
C)
To save the forest. done
clear
D)
To avoid water pollution. done
clear
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