Tag: how can we conserve water?

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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

Rainwater harvesting can be done by:

  1. collecting water by keeping a small container on the top of the building

  2. collecting rainwater from the rooftop to a storage tank, through pipes

  3. allowing water to go into the ground directly from the roadside drains that collect rainwater

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

Collecting rain water for future use is called rainwater harvesting but rain water collection cannot possible in small container.

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

_____________ is a technique of watering plants by making use of narrow tubings which deliver water directly at the base of the plant.

  1. Sprinkler irrigation

  2. Drip irrigation

  3. Center pivot irrigation

  4. Localized irrigation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Drip irrigation is a method of irrigation in which water is dripped slowly to the roots of the plants through narrow tubes. This method allows water to be delivered directly to the base of the plants. This method conserves water.
Drip irrigation is also known as a localized irrigation.
Sprinkler irrigation supply water in the same manner as supplied by the rainfall. Here water is distributed through the system of pipes and then it is sprayed on the areas through sprinklers.
In center pivot irrigation, the equipment rotates around the pivot and water is supplied through sprinklers.
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 is/are NOT a way/(s) of water conservation?

  1. One way of increasing the availability of water is to collect rainwater and store it for later use

  2. One way of increasing the availability of water is to collect rainwater when it is required for use

  3. Both of the above

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

Why plants die due to water scarcity?

  1. Because plants can not survive without water.

  2. Water transport nutrients to other part of plant.

  3. Water is important to carry different processes in plants.

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

Water is essential for plants because it transports nutrients, maintains structure through turgor pressure, and acts as a medium for metabolic processes like photosynthesis.

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

In our country, floods cause extensive damage to ____________.

  1. crops

  2. domestic animals

  3. human life

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

In our country, floods cause extensive damage to crops, domestic animals, property and human life. During floods, the animals get carried away with the waters, get trapped on land areas and die.

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 is traditional way to conserve water?

  1. Tube-well

  2. Bawris

  3. Rainwater harvesting

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

Bawris are one of the old methods of rain water management. These are deep wells dug in the ground which have steps to reach the water stored. These bawris help in storage of water for longer time as the amount of evaporation of water from the deep well is very less.Bawris are very popular in Rajasthan. People of Rajasthan get access to water through bawris even in summer season.

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 crop cannot be grown in less water availability?

  1. Wheat

  2. Maize

  3. Vegetables

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

Rice is a semi-aquatic crop that requires significant amounts of water, typically grown in flooded fields, making it unsuitable for areas with low water availability.

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 hormone level increases during water scarcity condition?

  1. Auxin

  2. Cytokinine

  3. Abscisic acid

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

Abscisic acid (ABA) is known as a stress hormone in plants. Its levels increase significantly during water scarcity to induce stomatal closure, which helps the plant conserve water.