Tag: nutrients and deficiency

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Multiple choice evs sources of water water as nutrient basics of water pollution 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
Reveal answer Fill a bubble to check yourself
B Correct answer
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.

Multiple choice evs sources of water water as nutrient basics of water pollution nutrients and deficiency

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

  1. 19%

  2. 11%

  3. 7%

  4. 1.1%
Reveal answer Fill a bubble to check yourself
D Correct answer
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%'.
Multiple choice evs sources of water water as nutrient basics of water pollution nutrients and deficiency

Many sewer pipelines connect to form the 

  1. Drainage

  2. Wastewater body

  3. Sewerage

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

Multiple choice evs sources of water water as nutrient basics of water pollution nutrients and deficiency

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

Multiple choice evs sources of water water as nutrient basics of water pollution nutrients and deficiency

Maximum use of fresh water is in

  1. Agriculture

  2. Domestic use

  3. Industry

  4. Pisciculture
Reveal answer Fill a bubble to check yourself
A Correct answer
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.'

Multiple choice evs - i constituents of food minerals in our diets types of nutrients nutrients and deficiency

Vitamin A is present in ?

  1. fish liver oil

  2. milk

  3. butter

  4. all of these
Reveal answer Fill a bubble to check yourself
D Correct answer
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.