Uses of Water

Q.

What is PPM in Hydroponics?

Q. Arrange the following sectors in increasing order of freshwater consumption.

1. Industry < Agriculture < Domestic
2. Agriculture < Domestic < Industry
3. Domestic < Industry < Agriculture
4. Agriculture < Industry < Domestic

Q.

Water is not essential for the healthy growth.

1. True

2. False

Q. The temporary hardness of water is due to the presence of ___ .

Q. Choose the condiments or fragrant materials.

1. Almonds
2. Cashew nuts
3. Dates
4. Biryani leaves
5. Clove
6. Cardomom
7. Cinnamon
8. Pepper

Q.

In the given experiment, fish in the second and third jar die due to the ____________

1. Lack of carbon dioxide

2. Lack of oxygen

3. Lack of water

4. Lack of food

Q. Which amongst the following activities use the maximum amount of freshwater?

1. Agriculture
2. Bathing
3. Cooking food
4. Washing clothes

Q. Water helps in the absorption of nutrients and removal of wastes.