Droughts, floods and water conservation - class-VIII
Description: droughts, floods and water conservation | |
Number of Questions: 37 | |
Created by: Tanuja Atwal | |
Tags: water water: a precious resource life giving water air and water pollution environmental science water: a natural resource chemistry water in our life water too little to waste |
Which of the following is correct during drought?
(2) The soil remains wet.
(3) The ground water may not become scarce.
(4) The level of water in ponds and wells of the region goes down and some of them may even dry up.
Situation in which there is less water availability for agricultural purposes and no enough food in an area to feed people is called :
Which of the following is responsible for higher level of floods and droughts?
Which of the following is/are a way/(s) of water conservation?
Explain the effect of water scarcity on plants.
Rainwater harvesting is collecting & storing rainwater, which includes activities aimed at:
Which one of the following is a sign of water scarcity?
Water harvesting is done by ____________ processes.
Cloud seeding is a technique used, to induce rain that was first used by the USA in 1946. It has also been done in Karnataka and other places in India. What is it?
Which of the following will be an advantage of inter-linking the rivers in India?
Find out the wrong statement from the following:
Rain water harvesting is a method employed to:
Cloud seeding is a technique used to induce rain that was first used by USA in 1946. It has also been done in Karnataka and other places in India. What is it?
What are the basic components of a rainwater harvesting and conservation system?
The method of rainwater harvesting which can be adopted by individual house owners is:
To prevent excess use of water from taps and tanks, we can collect water from :
The efficiency of drip irrigation is around:
Higher level of floods and droughts are led by :
If the irrigation water contains dissolved salts, _____________ is particularly suitable.
Rainwater can be used to recharge the groundwater. This is referred to as:
Rainwater harvesting can be done by:
_____________ is a technique of watering plants by making use of narrow tubings which deliver water directly at the base of the plant.
Which of the following is/are NOT a way/(s) of water conservation?
Why plants die due to water scarcity?
Which of the following types of plant grow in water scarcity?
In our country, floods cause extensive damage to ____________.
Which of the following is traditional way to conserve water?
Which of the following crop cannot be grown in less water availability?
Agriculture use .......... of the world's water usage.
Which hormone level increases during water scarcity condition?
Which of the following describes the effects of water scarcity on plants?
Careful management of water catchment areas results in:
Careful management of water catchment leads to:
Which of the following does not show water shortage?
Rain water harvesting is:
Situation which occurs due to occurrence of more rainfall than normal level or poor water distribution is :
Which one of the following statements is not an argument in favor of multi-purpose river projects?