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Question (11)

QN0033812

A village has 150 houses. If 90 of them are powered by solar energy, what percentage of the houses are solar-powered?

(A) 40%
(B) 50%
(C) 60%
(D) 75%

Correct Answer: C

Explanation:

(90 ÷ 150) × 100 = 60%.

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Question (12)

QN0033813

Which activity is most likely to reduce paper waste?

(A) Printing on one side of every sheet
(B) Using new notebooks before finishing old ones
(C) Writing on both sides of paper and recycling it
(D) Throwing old newspapers into the garbage

Correct Answer: C

Explanation:

Using both sides of paper and recycling helps reduce paper waste and save trees.

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Question (13)

QN0033814

A student collects 8 hibiscus flowers, 12 marigold flowers and 10 leaves to prepare natural dyes. If each batch requires 2 flowers and 1 leaf, what is the maximum number of complete batches that can be prepared?

(A) 10
(B) 15
(C) 20
(D) 30

Correct Answer: A

Explanation:

Total flowers = 20. Each batch needs 2 flowers, so 20 ÷ 2 = 10 batches. Leaves available = 10, so 10 complete batches can be made.

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Question (14)

QN0033815

Sacred groves are important because they

(A) are used only for cutting timber.
(B) protect trees and wildlife through community care.
(C) are built only for tourists.
(D) are places where no plants grow.

Correct Answer: B

Explanation:

Sacred groves are protected forest patches that conserve trees and wildlife.

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Question (15)

QN0033816

Four families suggested different ways to protect nature. P. Plant more trees. Q. Use cloth bags instead of plastic bags. R. Burn plastic waste in open fields. S. Organise a clean-up drive. Which set includes only environment-friendly practices?

(A) P, Q and R
(B) P, R and S
(C) P, Q and S
(D) Q, R and S

Correct Answer: C

Explanation:

Burning plastic causes pollution. The other three practices help protect the environment.

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Question (16)

QN0033817

A community clean-up drive collected 96 plastic bottles. These were packed equally into 8 recycling bags. How many bottles were kept in each bag?

(A) 10
(B) 11
(C) 12
(D) 14

Correct Answer: C

Explanation:

96 ÷ 8 = 12.

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Question (17)

QN0033818

A family uses 5 medicinal plants in their herbal garden. If each plant occupies a square area of 2 m × 2 m, what is the total area occupied by all the plants?

(A) 10 m²
(B) 15 m²
(C) 20 m²
(D) 25 m²

Correct Answer: C

Explanation:

Area of one plant = 2 × 2 = 4 m². Total area = 5 × 4 = 20 m².

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Question (18)

QN0033819

A village stores grains in bamboo baskets coated with cow dung on the outside. What is the main purpose of this traditional practice?

(A) To increase the weight of the baskets
(B) To decorate the baskets
(C) To help protect the stored grains from insects and pests
(D) To make the baskets waterproof for carrying water

Correct Answer: C

Explanation:

Cow-dung coating is a traditional method used to help protect stored grains from insects and pests.

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Question (19)

QN0033820

Which of the following correctly matches the activity with the natural resource used?

(A) Making plastic bottles — Trees
(B) Preparing herbal medicine — Medicinal plants
(C) Weaving cotton cloth — Iron ore
(D) Building earthen pots — Petroleum

Correct Answer: B

Explanation:

Herbal medicines are prepared using medicinal plants.

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Question (20)

QN0033821

A class decided to help birds by placing 3 bowls of water in each of 14 locations around the school. If 8 bowls were later damaged and removed, how many bowls remained?

(A) 30
(B) 34
(C) 36
(D) 42

Correct Answer: B

Explanation:

Total bowls = 14 × 3 = 42. Remaining = 42 − 8 = 34.

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Question (11)

A village has 150 houses. If 90 of them are powered by solar energy, what percentage of the houses are solar-powered?

Explanation:

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Question (12)

Which activity is most likely to reduce paper waste?

Explanation:

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Question (13)

A student collects 8 hibiscus flowers, 12 marigold flowers and 10 leaves to prepare natural dyes. If each batch requires 2 flowers and 1 leaf, what is the maximum number of complete batches that can be prepared?

Explanation:

Link:

Question (14)

Sacred groves are important because they

Explanation:

Link:

Question (15)

Four families suggested different ways to protect nature. P. Plant more trees. Q. Use cloth bags instead of plastic bags. R. Burn plastic waste in open fields. S. Organise a clean-up drive. Which set includes only environment-friendly practices?

Explanation:

Link:

Question (16)

A community clean-up drive collected 96 plastic bottles. These were packed equally into 8 recycling bags. How many bottles were kept in each bag?

Explanation:

Link:

Question (17)

A family uses 5 medicinal plants in their herbal garden. If each plant occupies a square area of 2 m × 2 m, what is the total area occupied by all the plants?

Explanation:

Link:

Question (18)

A village stores grains in bamboo baskets coated with cow dung on the outside. What is the main purpose of this traditional practice?

Explanation:

Link:

Question (19)

Which of the following correctly matches the activity with the natural resource used?

Explanation:

Link:

Question (20)

A class decided to help birds by placing 3 bowls of water in each of 14 locations around the school. If 8 bowls were later damaged and removed, how many bowls remained?

Explanation:

Link:

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