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Hydrosphere Online Test 1 (Free)

-: Symbols & Description :-

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-: Instructions :-

(સૂચનાઓ)

1. Click On Full Screen Mode (¤) From Corner For Best Test Experience

(બેસ્ટ ટેસ્ટ અનુભવ માટે ખૂણામાં આપેલ ફૂલ સ્ક્રીન મોડ (¤) ઉપર ક્લિક કરો)

2. Use Navigation Bar For Jumping Forward or Backward To Any Question

(કોઈ પણ પ્રશ્ન ઉપર જવા માટે નેવિગેશન બારનો ઉપયોગ કરવો)

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(ટેસ્ટ સબમિટ કરવાનો ઓપ્શન માત્ર છેલ્લા પ્રશ્ન ઉપર હશે)

4. Don't Forget To Give Your Rating & Review At The End Of Test

(ટેસ્ટ પૂરી થયા પછી રેટિંગ & રિવ્યુ આપવાનું ભુલશો નહીં)

"BEST OF LUCK"

[Click On Full Screen Mode (¤) From Corner For Best Test Experience]

(બેસ્ટ ટેસ્ટ અનુભવ માટે ખૂણામાં આપેલ ફૂલ સ્ક્રીન મોડ (¤) ઉપર ક્લિક કરો)

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Your Name

1 / 10

Category: Hydrosphere

Read the following Assertion (A) and Reason (R) and choose the correct option.

Assertion (A): People can easily float on the surface of water of Dead Sea even if they do not know to swim.

Reason (R): Dead Sea has 300 gm of salt in one litre of water making it, the sea having highest salt concentration.

Both (A) and (R) are true and (R) explains (A).

Both (A) and (R) are true but (R) dose not explain (A).

(A) is true but (R) is false.

(A) is false but (R) is true.

2 / 10

Category: Hydrosphere

Pneumatophores are present in

halophytes

hydrophytes

Both A and B

xerophytes

3 / 10

Category: Hydrosphere

Water has its maximum density at?

-4°C

0°C

4°C

100°C

4 / 10

Category: Hydrosphere

The collection of rainwater for future use is called

rainwater harvesting

Rain digging

rainwater pumping

rainwater collection

5 / 10

Category: Hydrosphere

Hydrosphere includes ___________

Water in the air

Underground water

Water on the surface of the planet

All of the above

6 / 10

Category: Hydrosphere

Consider the following statements regarding the hydrosphere:

1. The hydrosphere includes all water bodies on Earth, with oceans and seas being its largest component.

2. The hydrosphere covers approximately 50% of the Earth's surface.

Which of the statements given above is/are correct?

Only 1

Only 2

Both 1 and 2

Neither 1 nor 2

7 / 10

Category: Hydrosphere

The cold layer extending up to the ocean floor is called

Epilimnion layer

Thermocline layer

Hypolimnion layer

None of the above

8 / 10

Category: Hydrosphere

A technique of watering plants by making use of narrow tubing which delivers water directly to the base of the plant is called

femto-irrigation

micro-irrigation

nano- irrigation

drip-irrigation

9 / 10

Category: Hydrosphere

What is the main reason for the depletion of groundwater levels?

Tree cover has reduced

The rains are less frequent

The course of the rivers is being changed and dams built

Tube wells and hand pumps are used for irrigation

10 / 10

Category: Hydrosphere

The average salinity of seawater is ___________

35 grams of salt per kilogram

15 grams of salt per kilogram

50 grams of salt per kilogram

5 grams of salt per kilogram

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Leaderboard

Pos.	Name	Score	Duration
1	Prajapati Vishnu Xyz	80 %	2 minutes 35 seconds
2	Krima	70 %	2 minutes 39 seconds
3	PsG	70 %	3 minutes 7 seconds
4	mayu	60 %	2 minutes 28 seconds
5	asdf	60 %	3 minutes 44 seconds

Hydrosphere Online Test 1 (Free)

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