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Question (1)

QN0013033

Which of the following is used as a natural ingredient in the Natural Colour Experiment?

(A) Plastic dye
(B) Turmeric
(C) Ink
(D) Paint powder

Correct Answer: B

Explanation:

Turmeric is a natural ingredient used to colour paper.

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Question (2)

QN0013034

In the Natural Colour Experiment, why are paper pieces cut into the same size?

(A) To make them look identical only
(B) To compare colours fairly
(C) To make paper thicker
(D) To reduce drying time

Correct Answer: B

Explanation:

Same-sized paper pieces help in fair comparison.

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Question (3)

QN0013035

Which colour is obtained from turmeric in the experiment?

(A) Green
(B) Yellow
(C) Red
(D) Brown

Correct Answer: B

Explanation:

Turmeric produces a yellow colour.

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Question (4)

QN0013036

Natural dyes are mainly obtained from which sources?

(A) Machines and metals
(B) Plastic materials
(C) Different parts of plants
(D) Rocks only

Correct Answer: C

Explanation:

Natural dyes are obtained from plant parts.

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Question (5)

QN0013037

Which part of a plant can be used to make natural dyes?

(A) Leaf
(B) Flower
(C) Root
(D) All of these

Correct Answer: D

Explanation:

Leaves, flowers, roots and other plant parts can provide natural dyes.

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Question (6)

QN0013038

The brightness of turmeric colour observed in the activity was:

(A) Bright red
(B) Dull yellow
(C) Bright green
(D) Dull blue

Correct Answer: B

Explanation:

Turmeric showed dull yellow colour.

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Question (7)

QN0013039

Why should the same quantity of natural ingredients be used for each paper piece?

(A) To waste ingredients
(B) To make a fair comparison
(C) To increase paper size
(D) To change paper texture

Correct Answer: B

Explanation:

Equal quantities make the experiment fair.

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Question (8)

QN0013040

Which of these is NOT a natural dye source?

(A) Spinach
(B) Beetroot
(C) Henna
(D) Plastic colour

Correct Answer: D

Explanation:

Plastic colour is artificial.

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Question (9)

QN0013041

Natural dyes are considered safer because they are made from:

(A) Chemicals only
(B) Plant materials
(C) Synthetic powders
(D) Factory waste

Correct Answer: B

Explanation:

Natural dyes come from plant materials.

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Question (10)

QN0013042

Natural colours can be used to colour:

(A) Clothes and pots
(B) Only paper
(C) Only toys
(D) Only metals

Correct Answer: A

Explanation:

Natural dyes can colour materials like clothes and pots.

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Question (1)

Which of the following is used as a natural ingredient in the Natural Colour Experiment?

Explanation:

Link:

Question (2)

In the Natural Colour Experiment, why are paper pieces cut into the same size?

Explanation:

Link:

Question (3)

Which colour is obtained from turmeric in the experiment?

Explanation:

Link:

Question (4)

Natural dyes are mainly obtained from which sources?

Explanation:

Link:

Question (5)

Which part of a plant can be used to make natural dyes?

Explanation:

Link:

Question (6)

The brightness of turmeric colour observed in the activity was:

Explanation:

Link:

Question (7)

Why should the same quantity of natural ingredients be used for each paper piece?

Explanation:

Link:

Question (8)

Which of these is NOT a natural dye source?

Explanation:

Link:

Question (9)

Natural dyes are considered safer because they are made from:

Explanation:

Link:

Question (10)

Natural colours can be used to colour:

Explanation:

Link:

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