Default Title

Question (31)

QN005663

A school saves 50 litres of water daily by turning off taps properly. How much water is saved in 14 days?

(A) 500 litres
(B) 600 litres
(C) 700 litres
(D) 800 litres

Correct Answer: C

Explanation:

50 × 14 = 700 litres.

Link:

Report Error

Question (32)

QN005664

Which of the following is NOT a freshwater source?

(A) River
(B) Pond
(C) Lake
(D) Ocean

Correct Answer: D

Explanation:

Link:

Report Error

Question (33)

QN005665

A village receives 10,000 litres of rainwater. If 30% is lost and the rest is harvested, how much is harvested?

(A) 3000 litres
(B) 6000 litres
(C) 7000 litres
(D) 8000 litres

Correct Answer: C

Explanation:

70% of 10,000 = 7000 litres.

Link:

Report Error

Question (34)

QN005666

Why do some people in India have to walk long distances for drinking water?

(A) Water is available equally everywhere
(B) Freshwater sources are unlimited
(C) Access to water is not the same for everyone
(D) Rivers contain only saline water

Correct Answer: C

Explanation:

Link:

Report Error

Question (35)

QN005667

A water storage tank is filled to 90% of its 2000-litre capacity. How much water does it contain?

(A) 1600 litres
(B) 1700 litres
(C) 1800 litres
(D) 1900 litres

Correct Answer: C

Explanation:

90% of 2000 = 1800 litres.

Link:

Report Error

Question (36)

QN005668

Which action would best reduce water wastage while brushing teeth?

(A) Keeping the tap running continuously
(B) Using more water than necessary
(C) Turning off the tap when not in use
(D) Brushing for less time only

Correct Answer: C

Explanation:

Link:

Report Error

Question (37)

QN005669

A community harvested 12,000 litres of rainwater. If 25% is reserved for emergencies, how much water is reserved?

(A) 2000 litres
(B) 2500 litres
(C) 3000 litres
(D) 3500 litres

Correct Answer: C

Explanation:

25% of 12,000 = 3000 litres.

Link:

Report Error

Question (38)

QN005670

The walls of traditional stepwells are lined with stone blocks mainly to:

(A) Prevent rainfall
(B) Allow seepage of water
(C) Increase evaporation
(D) Stop groundwater movement

Correct Answer: B

Explanation:

Link:

Report Error

Question (39)

QN005671

A pond contains 5000 litres of freshwater. If pollution makes 20% of it unusable, how much usable water remains?

(A) 3000 litres
(B) 3500 litres
(C) 4000 litres
(D) 4500 litres

Correct Answer: C

Explanation:

Usable water = 80% of 5000 = 4000 litres.

Link:

Report Error

Question (40)

QN005672

Which statement best explains why water conservation is important?

(A) Freshwater is unlimited and always available
(B) Water can never be polluted
(C) Accessible freshwater is limited and essential for life
(D) Saline water is suitable for all uses

Correct Answer: C

Explanation:

Link:

Report Error

Question (31)

A school saves 50 litres of water daily by turning off taps properly. How much water is saved in 14 days?

Explanation:

Link:

Question (32)

Which of the following is NOT a freshwater source?

Explanation:

Link:

Question (33)

A village receives 10,000 litres of rainwater. If 30% is lost and the rest is harvested, how much is harvested?

Explanation:

Link:

Question (34)

Why do some people in India have to walk long distances for drinking water?

Explanation:

Link:

Question (35)

A water storage tank is filled to 90% of its 2000-litre capacity. How much water does it contain?

Explanation:

Link:

Question (36)

Which action would best reduce water wastage while brushing teeth?

Explanation:

Link:

Question (37)

A community harvested 12,000 litres of rainwater. If 25% is reserved for emergencies, how much water is reserved?

Explanation:

Link:

Question (38)

The walls of traditional stepwells are lined with stone blocks mainly to:

Explanation:

Link:

Question (39)

A pond contains 5000 litres of freshwater. If pollution makes 20% of it unusable, how much usable water remains?

Explanation:

Link:

Question (40)

Which statement best explains why water conservation is important?

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY