Tag: need for nutrients

Questions Related to need for nutrients

Vitamins with some enzymes act as

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

  1. Co-enzyme

  2. Apo-enzyme

  3. Holo-enzyme

  4. Co-factor

Show answer
Correct Option: A
Explanation:

Co-factor is a non-protein chemical compound that is required for the protein's biological activity. These molecules are commonly enzymes and co-factors can be helper molecules that assist in biochemical transformations such as vitamins.
Co-factors can be subdivided into either one or more inorganic ions , or a complex organic or metallo-organic molecule, called as a co-enzyme, most of which are derived from vitamins.
An inactive enzyme without the co-factor is called an apoenzyme while the complete enzyme with the co-factor is called as a holoenzyme.

The name vitamin was used for the first time by

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

  1. Funk

  2. Aristotle

  3. Eijikmann

  4. Hopkins

Show answer
Correct Option: A
Explanation:

In 1911, Casimir Funk isolated a concentrate from rice polishings that cured polyneuritis in pigeons. He named the concentrate vitamin because it appeared to be vital to life and because it was probably an amine.

Organic nutrients that regulate physiological processes by serving as coenzymes are called

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

  1. vitamins

  2. trace elements

  3. minerals

  4. amino acids

Show answer
Correct Option: A
Explanation:

Non-protein components of certain enzymes are called cofactors. If the cofactor is organic, then it is called a coenzyme. Coenzyme is relatively small molecules compared to the protein part of the enzyme and many of the coenzymes are derived from vitamins

So, the correct answer is 'Vitamins'

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.

Show answer
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

Show answer
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

Show answer
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

Show answer
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

Show answer
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

Show answer
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. $i$ & $iii$

Show answer
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.