NSO Level 1- Science Olympiad (SOF) Class 8: Questions 519 - 521 of 1076

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Question number: 519

» Synthetic Fibres and Plastics

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MCQ▾

Question

Options are given in the jumbled form. Reshuffle the spellings and identify the correct options.

The material used for making handles of cookware

Choices

Choice (4)Response

a.

Ketibela

b.

Yoln

c.

Relyente

d.

Yaron

Question number: 520

» Synthetic Fibres and Plastics

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MCQ▾

Question

We are familiar with the four R’s used in environment protection. Identify the R used in the situations

A list of waste materials is given here. Arrange them in the given boxes.

  1. Plastic toys

  2. E waste

  3. Old clothes

  4. Vegetable and fruit scraps

  5. Wooden furniture

  6. Old electric gadgets

  7. Thermocol plates and cups

  8. Broken plastic items

Reuse Recycle Recover

Choices

Choice (4)Response

a.

1,3, 6 – reuse, 2,4, 7 - recycle, 5,8 – recover

b.

3,6, 5 – reuse, 1,8 - recycle, 2,7, 4 – recover

c.

1,2, 3 – reuse, 4,5, 6 – recycle, 7,8 – recover

d.

6,8 – reuse, 3,5, 7 – recycle, 1,2, 3 - recover

Question number: 521

» Synthetic Fibres and Plastics

Edit
MCQ▾

Question

We are familiar with the four R’s used in environment protection. Identify the R used in the situations

Thermocol can be changed into useful products like artificial clay and gum by treating with acetone, orange oil etc. This method is called

Choices

Choice (4)Response

a.

Recovering

b.

Reusing

c.

Recycling

d.

Reducing

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