Nutritive requirement -Basic Level

Dear Readers,

Compared to other sections, Zoology is considered to be the most scoring section. If prepared thoroughly, Zoology can help students to secure a position in the exam. These questions are very important in achieving your success in Exams after 12th.

Q1. There is national eradication programme for a disease caused by the deficiency of an element

  •  Iodine
  •  Boron
  •  Copper
  •  Chlorine

There is national eradication programme for a disease caused by the deficiency of an element iodine.

Q2. Folic acid and pantothenic acid are vitamins belonging to group

  •  K
  •  A
  •  B-complex
  •  Both (a) and (b)

Folic acid or vitamin M is very essential during pregnancy Vitamin B3 or pantothenic acid is a part of coenzyme A and is needed for cellular respiration and for normal skin and nerves. Both of these belong to vitamin B complex

Q3. Which mineral deficiency is supplemented on a large scale in India

  •   Potassium
  •  Iron
  •  Iodine
  •  Sodium

India has the largetst number of children born vulnerable to Iodine - deficiency

Q4. A steroid vitamin is

  •  A
  •  B
  •  C
  •   D

Technically, vitamin D is a misnomer. It is not a true vitamin because it can be synthesized endogenously through ultraviolet exposure of the skin.

Q5. Which one of the vitamins can be synthesised by gut bacteria

  •  K
  •  B2
  •   D
  •  C

Vitamin K is the answer as it is synthesized by bacteria in the intestinal tract of man and most animals.

Q6. Contraction of muscle and conduction of nerve require

  •  Na+ and k+
  •  K+ and mg2+
  •  Ca2+
  •  Ca2+ and K+

A neuromuscular junction is a chemical synapse between the motor neuron terminal and muscle fiber. In this region, the impulse is transmitted from motor neuron to muscle which leads to its constriction.

Q7. Vitamin A is produced from carotene in

  •   Blood
  •   Skin
  •  Stomach
  •  Liver

β-Carotene is converted into vitamin A in the liver. Two molecules of vitamin A are formed from on molecule of beta carotene.

Q8. Water soluble vitamins are

  •  C and D
  •   A and C
  •   B and C
  •   A and D

A vitamin that can dissolve in water. Water-soluble vitamins are carried to the body's tissues but are not stored in the body. They are found in plant and animal foods or dietary supplements and must be taken in daily.

Q9.  Exposure to sun is required for synthesis of vitamin D in

  •  Adipose tissue
  •  Liver
  •  Gall bladder
  •  Skin

When your skin is exposed to sunlight, it makes vitamin D from cholesterol. The sun's ultraviolet B (UVB) rays hit cholesterol in the skin cells, providing the energy for vitamin D synthesis to occur.

Q10. Fat soluble vitamins are

  •  A, D and E
  •  B, C and D
  •  B, D and E
  •   A, B and C

Vitamin D increases absorption of calcium and phosphate in the intestinal tract, leading to elevated levels of plasma calcium, and thus lower bone resorption. Calcitriol (1,25-dihydroxycholecalciferol) is the active form of vitamin D3.

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Nutritive requirement MCQ Basic Level
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