Tag: need for nutrients

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

Vitamins with some enzymes act as

  1. Co-enzyme

  2. Apo-enzyme

  3. Holo-enzyme

  4. Co-factor
Reveal answer Fill a bubble to check yourself
A Correct answer
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.

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

The name vitamin was used for the first time by

  1. Funk

  2. Aristotle

  3. Eijikmann

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

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

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

  1. vitamins

  2. trace elements

  3. minerals

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

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

A person suffering from malaria gets fever when

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

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

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

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

  1. Iodine

  2. Boron

  3. Copper

  4. Chlorine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Iodine deficiency disorders are a major public health concern, leading to national programs like the National Iodine Deficiency Disorders Control Programme to ensure adequate intake.

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

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?

  1. $i$ & $ii$
  2. $ii$ & $iii$
  3. $ii$ & $iv$
  4. $i$ & $iii$
Reveal answer Fill a bubble to check yourself
C Correct answer
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.