Tag: role of vitamins

Questions Related to role of vitamins

Vitamins, we must consume daily are

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

  1. Fat soluble

  2. Water soluble

  3. (a) and (b) both

  4. None of these

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Correct Option: B

Xerophthalmia is caused due to the deficiency of

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

  1. Vitamin A

  2. Vitamin B

  3. Vitamin C

  4. Vitamin D.

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Correct Option: A
Explanation:

Xerophthalmia is a progressive nutritional disease of the eye due to deficiency of vitamin A. The cornea and conjunctiva become dry, thickened, and wrinkled.

Vitamin A is necessary for the synthesis of

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

  1. Haemoglobin

  2. Visual purple

  3. Melanin

  4. R.N.A

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Correct Option: B
Explanation:

Vitamin A is an Il-cis-retinal, the lipid prosthetic group of the protein opsin in visual purple. Its defficiency affects all tissues, but the eyes are most readily affected.

A person suffering from malaria gets fever when

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

  1. Exoerythrocytic cycle is completed

  2. Signet ring stage is formed

  3. RBC generally ruptured and haemozoin granules are released

  4. All of the above

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Correct Option: C
Explanation:

Rupture of RBC result in septicemia because of release of hematite granules in the blood resulting in characteristic chills and high fever.

Which one is a correct match?

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

  1. Iron Ricket

  2. Vitamin A Scurvy

  3. Iodine Goitre

  4. Calcium - Anaemia

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Correct Option: C

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

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

  1. Iodine

  2. Boron

  3. Copper

  4. Chlorine

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Correct Option: A

Which food items do you suggest to include in the diet of a person suffering with bleeding of gums ?

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

  1. Amla

  2. Guava

  3. Both A & B

  4. Milk

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Correct Option: C
Explanation:

Bleeding of gums is a result of the deficiency of Vitamin C. Amlas and guava are rich sources of Vitamin C.

Below are few statements given about diseases


$i$ They are caused by germs.
$ii$ They are caused due to lack of nutrients in our diet.
$iii$ They can be passed on to another person through contact.
$iv$ They can be prevented by taking a balanced diet.

Which pair of statements best describes a deficiency disease?

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

  1. $i$ & $ii$

  2. $ii$ & $iii$

  3. $ii$ & $iv$

  4. $i$ & $iii$

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Correct Option: C
Explanation:

A disease that is caused by a dietary deficiency of specific nutrients, especially a vitamin or mineral,possibly stemming from insufficient intake, digestion, absorption, or utilization of a nutrient is called as deficiency disease. It can be prevented by taking a balanced diet.

Match column I with column II and select the correct option from the codes given below.

Column I(Deficient elements) Column II(Deficiency symptoms)
(a) Calcium (i) Chlorosis and necrosis appearing first in young leaves
(b) Magnesium (ii) Bronze colour in leaves
(c) Chlorine (iii) Delay in flowering, premature fall of flower buds
(d) Phosphorus (iv) Interveinal chlorosis with purple anthocyanin pigmentation
biology constitutes of diet role of vitamins functions and principal sources of vitamins and minerals need for nutrients

  1. (a) - (i) , (b) - (ii), (c) - (iii), (d) - (iv)

  2. (a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

  3. (a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)

  4. (a) - (i), (b) - (iv), (c) - (ii), (d) - (iii)

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Correct Option: D