Tag: water in our life

Questions Related to water in our life

Multiple choice evs water in our life where do we get water from? why conserve water uses of water

Pick the correct statement.
I. The estuaries are semi-enclosed coastal body of water, which has a free connection with the open sea.
II. Estuaries may be considered as ecotones between the fresh and marine habitats.
Ill. The Estuaries are salt water lakes.
IV. The estuaries are fresh water lakes.

  1. I and II are correct.

  2. II and III are correct.

  3. III and IV are correct.

  4. I, II and III are correct.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Estuaries are unique plant and animal communities that have adapted to brackish water mixture of fresh water draining from the land and salty seawater. However, there are also several types of entirely freshwater ecosystems that have many similar characteristics to the traditional brackish estuaries. Estuaries may be considered as ecotones between the fresh and marine habitats.

Multiple choice evs water in our life where do we get water from? why conserve water uses of water

Residence time of water in the atmosphere is

  1. 10 days

  2. 20 days

  3. 28 days

  4. 35 days

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Residence time is defined as the amount time a fluid, example water spends in a particular area/space. The residence time of the water is estimated at 10 days in the atmosphere.  
So, the correct answer '10 days'
Multiple choice chemistry water in our life how can we conserve water? droughts, floods and water conservation conservation of water and its importance and methods

Which of the following describes the effects of water scarcity on plants?

  1. The green character of the planet shall be lost.

  2. This may mean the end of all life.

  3. A world without plants shall mean no food, no oxygen, not enough rain, and innumerable other problems.

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The following describes the effects of water scarcity on plants. The green character of the planet shall be lost. This may mean the end of all life, for a world without plants shall mean no food, no oxygen, not enough rain, and innumerable other problems.

Multiple choice chemistry water in our life how can we conserve water? droughts, floods and water conservation conservation of water and its importance and methods

 Careful management of water catchment leads to:

  1. emergency usage of water

  2. provides clean and fresh water

  3. decrease water requirement

  4. more wastage of water

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

During the time of emergency when the water becomes scarce, stored water helps to meet the daily requirement. 

Multiple choice chemistry water in our life how can we conserve water? droughts, floods and water conservation conservation of water and its importance and methods

Which of the following does not show water shortage?

  1. Taps running dry

  2. Long queues for getting water

  3. A family getting 3 buckets of water per person per day

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Option C does not show water shortage as if every person in the family is getting 3 buckets of water per day then this shows they have enough water of each. Option A and B show water shortage.

Multiple choice chemistry water in our life how can we conserve water? droughts, floods and water conservation conservation of water and its importance and methods

Rain water harvesting is:

  1. storing ground water by not using water from the well

  2. stop growing crops to save water

  3. allowing water to go into rivers and lakes

  4. collecting rainwater and storing it for later use

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Rain water harvesting is collecting rainwater and storing it for later use. Its is a single method by which rainfall is collected for future usage. The collected rainwater may be stored, utilized in different ways or directly used for recharge purposes. It is the accumulation and storage of rainwater for re-use on site, rather than allowing it to run-off.

Multiple choice chemistry water in our life how can we conserve water? droughts, floods and water conservation conservation of water and its importance and methods

Situation which occurs due to occurrence of more rainfall than normal level or poor water distribution is :

  1. drought

  2. monsoon winds

  3. flood

  4. tropical rain

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

  • Floods occurs due to occurrence of more rainfall than normal level or poor water distribution.
As more rainfall can result in accumulation of water and when there is poor distribution of water it overflows and causes floods.
  • Drought is a dry condition in which there is shortage of water so it can't be the situation.
  • And winds does not occur due to rain.
  • Tropical rain is normal level rain which occurs in a region which cannot cause this situation of flood. 

Multiple choice chemistry water in our life how can we conserve water? droughts, floods and water conservation conservation of water and its importance and methods

Which one of the following statements is not an argument in favor of multi-purpose river projects? 

  1. Multi-purpose projects bring water to those areas which suffer from water scarcity

  2. Multi-purpose projects by regulating water flow help to control floods

  3. Multi-purpose projects lead to large scale displacements and loss of livelihood

  4. Multi-purpose projects generate electricity for our industries and our homes

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

While multi-purpose river projects have benefits like flood control and power generation, the displacement of local populations and the loss of livelihoods are widely cited as negative social and environmental impacts, not arguments in favor of them.