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Question (21)

QN0014212

Why should water be used carefully in daily life?

(A) It is precious and important
(B) It is harmful
(C) It is useless
(D) It is unlimited everywhere

Correct Answer: A

Explanation:

Water is a precious resource.

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Question (22)

QN0014213

A household saves 10 litres of water each day. How much water is saved in 7 days?

(A) 60 litres
(B) 65 litres
(C) 70 litres
(D) 75 litres

Correct Answer: C

Explanation:

10 × 7 = 70 litres.

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Question (23)

QN0014214

Which activity uses water for food preparation?

(A) Washing vegetables
(B) Flying a kite
(C) Reading a map
(D) Playing football

Correct Answer: A

Explanation:

Vegetables are washed before cooking.

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Question (24)

QN0014215

A child washes 6 apples using 500 mL for each apple. How much water is used?

(A) 2 L
(B) 2.5 L
(C) 3 L
(D) 3.5 L

Correct Answer: C

Explanation:

6 × 500 mL = 3000 mL = 3 L.

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Question (25)

QN0014216

Water helps keep our surroundings ________.

(A) clean
(B) noisy
(C) dark
(D) crowded

Correct Answer: A

Explanation:

Water is used for cleaning surroundings.

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Question (26)

QN0014217

A school uses 50 litres of water daily for cleaning classrooms. How much water is used in 4 days?

(A) 150 litres
(B) 180 litres
(C) 200 litres
(D) 220 litres

Correct Answer: C

Explanation:

50 × 4 = 200 litres.

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Question (27)

QN0014218

Which person is most likely to need water while working?

(A) Gardener
(B) Singer
(C) Painter only
(D) Dancer only

Correct Answer: A

Explanation:

Gardeners need water for plants.

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Question (28)

QN0014219

A gardener uses 18 litres of water in the morning and 22 litres in the evening. How much water is used altogether?

(A) 36 litres
(B) 38 litres
(C) 40 litres
(D) 42 litres

Correct Answer: C

Explanation:

18 + 22 = 40 litres.

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Question (29)

QN0014220

Which statement is correct about water in daily life?

(A) Water is used in many daily activities
(B) Water is needed only for drinking
(C) Water is used only by plants
(D) Water is used only in kitchens

Correct Answer: A

Explanation:

Water has many daily uses.

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Question (30)

QN0014221

A family stores 120 litres of water and uses 45 litres during the day. How much water remains?

(A) 65 litres
(B) 70 litres
(C) 75 litres
(D) 80 litres

Correct Answer: C

Explanation:

120 − 45 = 75 litres.

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Question (21)

Why should water be used carefully in daily life?

Explanation:

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Question (22)

A household saves 10 litres of water each day. How much water is saved in 7 days?

Explanation:

Link:

Question (23)

Which activity uses water for food preparation?

Explanation:

Link:

Question (24)

A child washes 6 apples using 500 mL for each apple. How much water is used?

Explanation:

Link:

Question (25)

Water helps keep our surroundings ________.

Explanation:

Link:

Question (26)

A school uses 50 litres of water daily for cleaning classrooms. How much water is used in 4 days?

Explanation:

Link:

Question (27)

Which person is most likely to need water while working?

Explanation:

Link:

Question (28)

A gardener uses 18 litres of water in the morning and 22 litres in the evening. How much water is used altogether?

Explanation:

Link:

Question (29)

Which statement is correct about water in daily life?

Explanation:

Link:

Question (30)

A family stores 120 litres of water and uses 45 litres during the day. How much water remains?

Explanation:

Link:

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