Our Environment- 6th Std Science Term - III
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Question 1 |
_____ decomposes degradable substances in the soil
micro-organism | |
earthworm | |
bird | |
Both ‘a’ and ‘b’ |
Question 2 |
An example for non-biodegradable product is ________
paper | |
cloth | |
polythene bag | |
fodder |
Question 3 |
Waste that can be converted into manure is ________
glass | |
plastic | |
mental | |
household waste |
Question 4 |
Bio-medical wastes can be removed by______
landfill | |
composting | |
incineration | |
recycling |
Question 5 |
Organism used in vermicomposting is_______
leech | |
roundworm | |
earthworm | |
tapeworm |
Question 6 |
Which of the following is a bio-degradable waste________
Rubber | |
Plastic | |
Dry leaves | |
Tyre |
Question 7 |
Which of the following is non-biodegradable waste________
Paper | |
Egg shell | |
Orange peel | |
Polythene bag |
Question 8 |
Degradable wastes can be converted into manure by using ______
Hookworm | |
Lukeworm | |
Earthworm | |
Ascaris |
Question 9 |
The product formed by the worms by decomposting the wastes is termed as ______
Vermicompost | |
Incineration | |
Land filling | |
Recycling |
Question 10 |
Which of the following method is most adopted to remove the waste products________
Incineration | |
Recycling | |
Reuse | |
Land filling |
Question 11 |
Land filling method______
produce foul | |
pollute the ground water | |
pollute the air | |
All the above |
Question 12 |
Which of the following is non-biodegradable waste________
Tea dust | |
Dry leaf | |
Aluminium foil | |
Peel of vegetables |
Question 13 |
Which of the following is a biodegradable waste______
Broken toys | |
Polythene bags | |
Glass pieces | |
Food remains |
Question 14 |
Match the following
- Household waste a. fertilizers, pesticides
- Industrial waste b. medicines, syringes
- Agriculture waste c. smoke
- Medicinal waste d. peel of vegetables and fruits
- Automobile waste e. chemicals
4 3 1 2 5 | |
3 4 5 1 2 | |
5 4 3 1 2 | |
1 5 4 3 2 |
Question 15 |
Match the following
- Vermicompost a. Incineration
- Old cloth b. Earthworm
- Plastic c. Bio-degradable waste
- Paper d. Doormats
- Hospital e. Non bio-degradable waste
5 1 4 2 3 | |
4 2 3 1 5 | |
4 1 5 2 3 | |
2 4 3 1 5 |
Question 16 |
Fill in the blanks...........
_________ are dumped everywhere due to the industrial development, overpopulation and urbanization.
Wastes | |
Products | |
Plastics |
Question 17 |
The process of conversation of biogradable waste into manure is called _______
Decompostion | |
Filtering | |
composting |
Question 18 |
The product formed by the worms by decomposing the wastes is termed as ______
Vermicompost | |
Composting | |
vermiculture |
Question 19 |
Polythene bag, aluminium foil, nail are ______ wastes.
biodegradable | |
Vermiculture | |
non-biodegradable |
Question 20 |
Egg shell, orange peel and paper are ________ wastes.
bio-degradable | |
Degradable |
Question 21 |
_______ are used in the preparation of vermicompost from the wastes.
Earthworms | |
Plastics | |
Industrail Wastes |
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There are 21 questions to complete.
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