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Question (31)

QN0011383

Which situation best shows fuel being converted into useful energy?

(A) is correct because fuel energy is used to produce movement.
(B) A pencil lying on a table
(C) A closed notebook
(D) An empty bottle

Correct Answer: A

Explanation:

Option (a) is correct because fuel energy is used to produce movement.

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Question (32)

QN0011384

Why is fuel important in daily life?

(A) is correct because fuel supplies energy for many activities.
(B) It changes colour of objects
(C) It stores books
(D) It creates rain

Correct Answer: A

Explanation:

Option (a) is correct because fuel supplies energy for many activities.

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Question (33)

QN0011385

Which cooking method depends directly on fuel?

(A) is correct because a gas stove requires fuel for cooking.
(B) Reading a recipe
(C) Washing vegetables
(D) Arranging plates

Correct Answer: A

Explanation:

Option (a) is correct because a gas stove requires fuel for cooking.

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Question (34)

QN0011386

A family switches from wood to cooking gas. Which problem is likely to reduce?

(A) is correct because cooking gas generally produces less smoke than wood.
(B) Rainfall
(C) Sunlight
(D) Wind speed

Correct Answer: A

Explanation:

Option (a) is correct because cooking gas generally produces less smoke than wood.

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Question (35)

QN0011387

Which fuel-related activity is mentioned in the chapter?

(A) is correct because fuel is used for lighting diyas.
(B) Making toys
(C) Drawing maps
(D) Stitching clothes

Correct Answer: A

Explanation:

Option (a) is correct because fuel is used for lighting diyas.

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Question (36)

QN0011388

A bus and a scooter both require fuel. What common purpose does the fuel serve?

(A) Decoration
(B) is correct because fuel provides energy to move vehicles.
(C) Cooling engines only
(D) Increasing weight

Correct Answer: B

Explanation:

Option (b) is correct because fuel provides energy to move vehicles.

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Question (37)

QN0011389

If two identical diyas contain equal oil, how are they likely to burn?

(A) One much longer than the other
(B) is correct because equal amounts of fuel generally burn for similar durations.
(C) Neither will burn
(D) Only one will light

Correct Answer: B

Explanation:

Option (b) is correct because equal amounts of fuel generally burn for similar durations.

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Question (38)

QN0011390

Which statement about fuel is correct?

(A) Fuel is used only in vehicles
(B) Fuel is used only in homes
(C) is correct because fuel is used for cooking, lighting and transport.
(D) Fuel has no role in daily life

Correct Answer: C

Explanation:

Option (c) is correct because fuel is used for cooking, lighting and transport.

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Question (39)

QN0011391

A village reduces the use of coal for cooking. Which benefit is most likely?

(A) More smoke
(B) is correct because less coal burning reduces air pollution.
(C) Less heat from stoves
(D) More pollution

Correct Answer: B

Explanation:

Option (b) is correct because less coal burning reduces air pollution.

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Question (40)

QN0011392

A student concludes that fuel is important because it helps cook food, light diyas and run vehicles. This conclusion is

(A) is correct because fuels are used for cooking, lighting diyas and running vehicles.
(B) incorrect because fuel is used only for vehicles
(C) incorrect because fuel is used only for cooking
(D) incorrect because fuel cannot provide energy

Correct Answer: A

Explanation:

Option (a) is correct because fuels are used for cooking, lighting diyas and running vehicles.

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Question (31)

Which situation best shows fuel being converted into useful energy?

Explanation:

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Question (32)

Why is fuel important in daily life?

Explanation:

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Question (33)

Which cooking method depends directly on fuel?

Explanation:

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Question (34)

A family switches from wood to cooking gas. Which problem is likely to reduce?

Explanation:

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Question (35)

Which fuel-related activity is mentioned in the chapter?

Explanation:

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Question (36)

A bus and a scooter both require fuel. What common purpose does the fuel serve?

Explanation:

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Question (37)

If two identical diyas contain equal oil, how are they likely to burn?

Explanation:

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Question (38)

Which statement about fuel is correct?

Explanation:

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Question (39)

A village reduces the use of coal for cooking. Which benefit is most likely?

Explanation:

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Question (40)

A student concludes that fuel is important because it helps cook food, light diyas and run vehicles. This conclusion is

Explanation:

Link:

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