Tag: need for nutrients

Questions Related to need for nutrients

___________ is an inorganic nutrient.

evs food components and nutrition need for nutrients nutrition and its deficiency nutrition and its need

  1. Nitrogen

  2. Urea

  3. Glucose

  4. Glycine

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Correct Option: A
Explanation:

An inorganic nutrient is essentially any compound or element that is not carbon-based, but is otherwise necessary to maintain health and optimum growth of a plant, animal, or human. Nitrogen is an inorganic nutrient that is later converted to organic forms like nitrite, nitrate or ammonia.

The most important component formed by plants which is useful for the growth is

evs food components and nutrition need for nutrients nutrition and its deficiency nutrition and its need

  1. Carbohydrates

  2. Proteins

  3. Fats

  4. None of the above

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Correct Option: B
Explanation:

Proteins are major element required in the growth of the plant cells. In plants, all the 20 amino acids should be formed in the plant body because they cannot take them up fro any other source. Proteins are essential as they are the basic constituents of enzymes, cell membrane, and transport systems.

So, the correct option is 'Proteins'

Carbohydrate is made up of all except

evs food components and nutrition need for nutrients nutrition and its deficiency nutrition and its need

  1. Carbon

  2. Nitrogen

  3. Oxygen

  4. Hydrogen

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Correct Option: B
Explanation:

Carbohydrates, as the name suggests, are the hydrates of carbon and thus are made up of molecules of hydrogen, oxygen and carbon.

These are generally represented as Cx(H₂O)y. 
These are the essential constituents of all the living beings.
So, the correct option is 'Nitrogen'

Water is important for the functioning of body as

biology food components and nutrition need for nutrients nutrition and its deficiency nutrition and its need

  1. It releases energy

  2. It has buffering action

  3. Kills microorganisms

  4. It is a very good solvent

Show answer
Correct Option: D
Explanation:

Water present in the human body supports the metabolic reactions in the body. The enzymes which act as a catalyst in these biological reaction acts efficiently in presence of water. The salts like sodium and potassium which dissolves in the water act as a transporter as it is a very good solvent. These help in the transmission of the nerve impulse. It helps to maintain a constant temperature inside the body. It also helps in cellular processes like endocytosis and exocytosis. It helps to maintain osmotic condition inside the cell.

So, the correct answer is option D.

The indigestible material in food is also known as

biology food components and nutrition need for nutrients nutrition and its deficiency nutrition and its need

  1. Roughage

  2. Fats

  3. Minerals

  4. Vitamins

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Correct Option: A
Explanation:

All the constituents of food are digested but roughage or fibres are not digested, but they play a very important role in the formation and smooth elimination of bowels.

Which of the following foods is a source of roughage?

biology food components and nutrition need for nutrients nutrition and its deficiency nutrition and its need

  1. Cooked rice

  2. Eggs

  3. Whole grains

  4. Fish

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Correct Option: C
Explanation:
Whole grains contains a large amount of fibres, which adds bulk to the faeces this is called roughage.
So, the correct answer is 'Whole grains'

Which of the following vitamins are water soluble?

biology constitutes of diet role of vitamins functions and principal sources of vitamins and minerals digestive disorders need for nutrients

  1. Vit A, Vit B

  2. Vit B, Vit C

  3. Vit C, Vit D

  4. Vit A, Vit C

Show answer
Correct Option: B
Explanation:
Vitamins which can dissolve in water are called water-soluble vitamins. Water-soluble vitamins include vitamin-C and vitamin-B because they remove the toxins from our body through urine. Therefore, they are not stored in our body and should be taken on a daily basis through the food we eat.
So, the correct option is 'Vit-B, Vit-C'

Which of the following vitamins is an main antioxidant?

biology constitutes of diet role of vitamins functions and principal sources of vitamins and minerals digestive disorders need for nutrients

  1. $A$

  2. $B _6$

  3. $D$

  4. $K$

Show answer
Correct Option: A
Explanation:

The three major antioxidant vitamins are beta-carotene, vitamin C and vitamin E. Beta carotene is an antioxidant that gets converted to vitamin A and plays a very important role in health. It's responsible for the red, yellow, and orange coloration of some fruits and veggies.

Vitamin A acts as an antioxidant within the body that scavenges harmful oxygen free radicals.
So, the correct answer is 'A'.

Identify the mis-matched pair.

biology constitutes of diet role of vitamins functions and principal sources of vitamins and minerals digestive disorders need for nutrients

  1. Fatigue, mental depression - Biotin

  2. Delayed dentition, knock-knees - Tocoferol

  3. Diarrhoea, loss of leucocytes - Folic acid

  4. Photophobia, red and sore tongue - Riboflavin

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Correct Option: A

Which is not shown by vitamins?

biology constitutes of diet role of vitamins functions and principal sources of vitamins and minerals digestive disorders need for nutrients

  1. Digestion

  2. Metabolism

  3. Growth

  4. None of the above

Show answer
Correct Option: A
Explanation:

Vitamins are accessory food factors, which are required in small quantity for controlling metabolism and body functioning. Vitamins are of two types- fat soluble (A, D, E, K) and water soluble (B and C). Vitamins like minerals are not digested but directly absorbed from ingested food. They play role in metabolism and growth.