Tag: nutrients and deficiency

Questions Related to nutrients and deficiency

The pipes which carry the waste waters from the houses is known as

  1. Waste lines

  2. Drainage lines

  3. Water lines

  4. Wastewater lines


Correct Option: B
Explanation:

Drainage lines are artificial passageway used to carry the waste water from the houses. It then carries the waste water to the municipal sewage system where it is treated before discharging in water body. Water lines are artificial passageway used to carry the water to the houses.  

Thus, the correct answer is option B.

Sewage water is freshened up by

  1. Boiling

  2. Chemical treatment

  3. Biological treatment

  4. Both B and C


Correct Option: D

Manholes are located at every .......... in the sewerage.

  1. 10 to 20 m

  2. 1 to 2 km

  3. 50 to 60 m

  4. 3 km


Correct Option: C

Domestic and municipal supplies of water constitutes percentage of total water consumption

  1. 19%

  2. 11%

  3. 7%

  4. 1.1%


Correct Option: D
Explanation:
  • Drinking water, also known as potable water, is water that is safe to drink or to use for food preparation.
  • The amount of drinking water required to maintain good health varies, and depends on physical activity level, age, health-related issues, and environmental conditions.
  • Domestic and municipal supplies of water constitute 1.1%  percentage of total water consumption.
  • So,the correct answer is '1.1%'.

Which of the chemical is used to freshened up the wastewater?

  1. Boric acid

  2. Naphtelene

  3. Chlorine

  4. None of the above


Correct Option: C

Many sewer pipelines connect to form the 

  1. Drainage

  2. Wastewater body

  3. Sewerage

  4. All of the above


Correct Option: C
Explanation:

Sewerage is the infrastructure that conveys sewage from many sewer pipelines. Drainage is an artificial passageway that carries the waste water from the houses. Sewer pipelines are artificial passageway used to carry the sewage and water water from the drainage system. It then carries the waste water to the municipal sewage system or sewerage.   

Thus, the correct answer is option C.

Potable water is the water which is

  1. Obtained from a river.

  2. Obtained from a lake.

  3. Pure and fit for drinking.

  4. Used only for washing clothes.


Correct Option: C
Explanation:

Potable water is a water which is fit for consumption by humans and other animals. It is also called as drinking water, in a reference to its intended use. Water may be naturally potable, as is the case with pristine springs, or it may need to be treated in order to be safe. In either instance, the safety of water is assessed with tests which look for potentially harmful contaminants.

Therefore, the correct answer is option C.

Maximum use of fresh water is in

  1. Agriculture

  2. Domestic use

  3. Industry

  4. Pisciculture


Correct Option: A
Explanation:

Maximum use of fresh water is in agriculture. About 70% of the total fresh water is used in agriculture. About 20% is used for industrial purpose. About 10% of the fresh water is used for domestic and municipal use.

Thus, the correct answer is 'Agriculture.'

Vitamin A is present in ?

  1. fish liver oil

  2. milk

  3. butter

  4. all of these


Correct Option: D
Explanation:
Vitamin A is present in liver, milk, green and yellow vegetables and yellow fruits, such as broccoli, spinach, turnip greens, carrots, squash, sweet potatoes, pumpkin, apricots, cod liver oil and in animal sources such as liver, milk, butter, cheese, and whole eggs etc.

Hence, the correct option is D.

Vegetable oils like wheat germ oil, sunflower oil, etc. are the good source of ?

  1. vitamin K

  2. vitamin E

  3. vitamin D

  4. vitamin A


Correct Option: B
Explanation:
Vitamin E is found in vegetable oils like wheat germ oil (135$\%$ DV per serving), sunflower oil (37$\%$ DV per serving) etc.