Tag: the lithosphere and the hydrosphere

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Multiple choice evs sources of water the lithosphere and the hydrosphere first aid safety and first aid

Rain fall patterns depend on 

  1. the underground water table

  2. The number of water bodies in an area

  3. The density of human population in an area

  4. The prevailing season in an area
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

More the number of water bodies in an area more is evaporation of water in that area. As a result, more clouds are formed and there is an increase in rainfall in that area.

So, option B" The number of water bodies in an area" is the correct answer. Rainfall pattern depends on water bodies in that area.

Multiple choice evs - i sources of water the lithosphere and the hydrosphere first aid safety and first aid

Which of the following process is not a step involved in water cycle operating in nature?

  1. Photosynthesis

  2. Evaporation

  3. Rain fall

  4. Nitrogen metabolism
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  • The process of nitrogen metabolism is not involved in the water cycle. By the process of photosynthesis, plants absorb water from the soil. Through transpiration, they lose water back to the atmosphere through stomata.
  •  By the process of evaporation, water from water bodies is condensed leading to the formation of clouds. 
  • Clouds then shower rainfall that restores the water evaporated from water bodies and also the groundwater levels.

So, option D is the correct answer as all others are a part of the water cycle.

Multiple choice evs - i sources of water the lithosphere and the hydrosphere first aid safety and first aid

Water cycle leads to change in

  1. Pressure

  2. Humidity

  3. Temperature

  4. Both B and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

During evaporation, water takes up energy from its surroundings and cools the environment. It releases energy when it condenses and warms the environment. This causes a change in the temperature as well as the humidity of the surrounding. Thus the correct answer is option D.

Multiple choice evs sources of water the lithosphere and the hydrosphere first aid safety and first aid

Transfer of heat within water is by

  1. Conduction

  2. Convection

  3. Radiation

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The water is a poor conductors of heat so do not heated by conduction.  When water is heated, the water became lighter. Hot water rises up. The cold water from the sides moves  down towards the source of heat. This water also gets hot and rises and water from the sides moves down.  This process continues till the whole water gets heated. This mode of heat transfer is known as convection.

So, the correct answer is 'Convection'.

Multiple choice evs - i sources of water the lithosphere and the hydrosphere first aid safety and first aid

Which phase of water cycle gives us fresh water?

  1. Condensation

  2. Evaporation

  3. Precipitation

  4. Runoff
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The hydrological cycle is a prominent method to rejuvenate the fresh water resources. It involves the evaporation of water into water vapor by the heat of the sun which further condenses into tiny water droplets which fall on the earth as rain. The process of condensation that forms rain is also known as precipitation.

So, the correct answer is option C.

Multiple choice evs - i sources of water the lithosphere and the hydrosphere first aid safety and first aid

During water cycle, the water undergoes .......... phase.

  1. Ice

  2. Liquid

  3. Gas

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  • The hydrological cycle is a prominent method to rejuvenate freshwater resources.
  • It involves the evaporation of water into water vapor by the heat of the sun which further condenses into tiny water droplets that fall on the earth as rain. This continuous recycling of water leads to the recharging of water resources.
  • It includes the interconversion of different states of water. The ice present in the glaciers melts due to the overheating of the earth and enters the hydrological cycle.

So, the correct answer is option D.

Multiple choice evs - i sources of water the lithosphere and the hydrosphere first aid safety and first aid

................... is one of the ways by which water moves on the Earth.

  1. Condensation

  2. Precipitation

  3. Runoff

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Runoff is one of the ways by which water moves across earth's surface, it can be both surface runoff and channel runoff. As it flows, the water may seep into the ground, evaporate into the air, stored in lakes or reservoirs, which are then to be extracted for agricultural or other human uses. 

Multiple choice evs - i sources of water the lithosphere and the hydrosphere first aid safety and first aid

Which of the following are essential for the maintenance of balance in the ecosystem?

  1. Water cycle

  2. Carbon cycle

  3. Nitrogen cycle

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Water cycle, carbon cycle and nitrogen cycle are essential to maintaining balance in an ecosystem. Water evaporates due to heating and gets converted into water vapour. The vapours cool down and return back to earth as rain.

Carbon cycle maintains equilibrium between oxygen and carbon dioxide concentration in the atmosphere. Photosynthesis utilises the carbon dioxide and releases oxygen while the respiration utilises oxygen and give back carbon dioxide.
The nitrogen cycle is the process by which atmospheric nitrogen is fixed by the plants in form of nitrates and nitrites which are further released back to the atmosphere by the process of nitrification.
So, the correct answer is option D