Tag: receding water table

Questions Related to receding water table

What is the percentage of earth surface which is covered by oceans and seas?

evs sources of water water resources and conservation receding water table water conservation and irrigation

  1. 50%

  2. 75%

  3. 88%

  4. 97%

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Correct Option: D
Explanation:

97% of earth surface is covered by ocean and seas.

Which of the following is a source of fresh water?

evs sources of water water resources and conservation receding water table water conservation and irrigation

  1. Rain water

  2. Ground water

  3. Surface run-off

  4. All of the above

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Correct Option: D
Explanation:

The rainwater ,groundwater and surface runoff are the source of freshwater.

Fresh water is naturally occurring water on Earth's surface in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams.
Thus all the three of the options are correct.

The given table shows properties of 

system  intracellular concentration of water  Extracellularconcentration of water
A 0.09 m  0.11 m
B 0.2 m 0.5 m
C 0.05 m 0.7 M
D 0.03 0.6 M

four cells system A, B, C and D. The maximum rate of inward diffusion of water will be observed in which of these system?

evs sources of water water resources and conservation receding water table water conservation and irrigation

  1. system A

  2. system B

  3. system C

  4. system D

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Correct Option: A

Running water is called

evs sources of water water resources and conservation receding water table water conservation and irrigation importance of water water: a precious resource

  1. Lentic

  2. Lotic

  3. Standing water

  4. Streams

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Correct Option: B

Human faeces is main source of organism, in

evs sources of water water resources and conservation receding water table water conservation and irrigation importance of water water: a precious resource

  1. Air

  2. Water

  3. Atmosphere

  4. Forests

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Correct Option: B

Solubility of oxygen in water is directly proportional to

evs sources of water water resources and conservation receding water table water conservation and irrigation importance of water water: a precious resource

  1. Temperature

  2. Pressure

  3. Nutrients

  4. All of above

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Correct Option: B

What are examples of lotic water?

evs sources of water water resources and conservation receding water table water conservation and irrigation importance of water water: a precious resource

  1. Streams, river and springs

  2. River, Lake and Ponds

  3. Swamps and Lakes

  4. Lakes and ponds

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Correct Option: A

What is structure of water?

evs sources of water water resources and conservation receding water table water conservation and irrigation importance of water water: a precious resource

  1. Bihedral

  2. Trihedral

  3. Tetrahedral Arrangement

  4. Singe hedral

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Correct Option: C

A local system of harvesting in M.P and U.P are

evs sources of water water resources and conservation receding water table water conservation and irrigation importance of water water: a precious resource

  1. Bawaries

  2. Khadins

  3. Bundhis

  4. Ponds

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Correct Option: A

The upper part of sea water mainly contains ______________.

evs sources of water water resources and conservation receding water table water conservation and irrigation importance of water water: a precious resource

  1. Nektons only

  2. Planktons only

  3. Nektons and planktons both

  4. None of the above

Show answer
Correct Option: B
Explanation:

Plankton's are passively drifting or floating organisms. Most of these minute organisms, plankton includes photosynthesizing organisms as well as heterotrophic organisms.

So, the correct answer is 'Planktons only'