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1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
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4. Do not click the button Submit Test before completing the paper on Answer Sheet.
5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
Among the most dangerous non-biodegradable waste is ______________________
Cow-dung
Plastic articles
Garbage
Radioactive waste
2
_____________ of garbage is a non hygienic and slow process.
Separation
Mixing
Piling
All of these
3
Blue bin contain which type of waste ?
Biodegradable waste
Non biodegradable waste
Composite waste
All of the above
4
What is the color of dustbin which is used for collecting biodegradable waste ?
Blue
Green
Red
Black
5
The waste produced in our houses like kitchen waste, electronic waste, cleaning waste etc. is known as _____________________ .
Domestic waste
Industrial waste
Chemical waste
None of these .
6
What is bleaching ?
The pulper is a large vat that has chemicals and water.
After screening, the pulp is cleaned further to remove any contaminants by spinning the mushy mixture.
Depending on the paper, the pulp might go through the de inking phase in which ink is removed
The paper is treated further to separate all of the color particles from the mush.
7
What happens in rolling ?
The pulp is sprayed on to wire screens, which drains the water and bonds.
The papers are then tied and transported to warehouses for storage
The paper is then treated further to separate all of the color particles from the mush.
The mushy pulp is pushed through screens that have holes and slots of different shapes and sizes.
8
Select odd one out of these:
Leaves
Paper
Plastic
Human faeces
9
Read the passage(s) given below and answer the questions that follow :
If you collect the garbage from your home and put it in separate pits covered with soil for a few days. You will find that something in the garbage rots. They form manure which is used for plants. If you are asked to identify some of the items of your kitchen waste (i.e. garbage from kitchen),which of the following are likely to be present in it?
Fruit and vegetable peels
Eggshells
Dry leaves
10
Which of the following groups contain only biodegradable items ?
Grass, flowers and glass
Grass, wood and Plastic
Fruit-peels, cake and lime-juice
Cake, wood and glass
11
Which of the following is not a type of human generated waste ?
Environmental waste
12
When somethings in garbage rots completely and did not smell, well, it ________________
Can be mixed with soil to provide nutrients to plants
Become manure
Both A and B
None of the above
13
Where do Safai - Karamcharis take the garbage after collecting it from dust - bins ?
To their homes
To the distant markets
To landfills
Any place of their choice
14
Following are the steps of recycling of paper. Arrange them in proper order.
1. Sorting
4. Screening
7. Bleaching
1, 2, 3, 4, 5, 9, 6, 7, 8
1, 2, 3, 4, 5, 6, 7, 8, 9
6, 7, 8, 1, 2, 3, 4, 5, 9
15
Which of the following is a biodegradable waste ?
Radioactive wastes
Aluminium cans
DDT
Cattle dung