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Biomolecules · Question 40

AIPMT 2006MCQEasy📈 Topic in 25% papers+4−1
1

The human body does not produce

  1. enzymes
  2. DNA
  3. vitamins
  4. hormones

Answer

(3) vitamins

Solution

As per NCERT, vitamins are organic compounds required in the diet in small amounts to perform specific biological functions; most of them cannot be synthesised by our body and must be supplied regularly in the diet.

Enzymes, DNA and hormones are all synthesised in the human body.

Answer: (3)

AIPMT 2006

Keep practising — Biomolecules

2

Which one of the following is a peptide hormone?

  1. Adrenaline
  2. Glucagon
  3. Testosterone
  4. Thyroxine
AIPMT 2006
3

During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process Proteins enzyme (A) Polypeptide enzyme (B) Amino acids are respectively

  1. invertase and zymase
  2. amylase and maltase
  3. diastase and lipase
  4. pepsin and trypsin
AIPMT 2006
4

Which functional group participates in disulphide bond formation in proteins?

  1. Thioester
  2. Thioether
  3. Thiol
  4. Thiolactone
AIPMT 2005
5

The cell membranes are mainly composed of

  1. fats
  2. proteins
  3. phospholipids
  4. carbohydrates
AIPMT 2005
6

A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid?

  1. Three
  2. Four
  3. One
  4. Two
AIPMT 2004
7

The hormone that helps in the conversion of glucose to glycogen is

  1. cortisone
  2. bile acids
  3. adrenaline
  4. insulin
AIPMT 2004
8

The correct statement in respect of protein haemoglobin is that it

  1. functions as a catalyst for biological reactions
  2. maintains blood sugar level
  3. acts as an oxygen carrier in the blood
  4. forms antibodies and offers resistance to diseases.
AIPMT 2004
9

Number of chiral carbons in -D-(+)-glucose is

  1. five
  2. six
  3. three
  4. four
AIPMT 2004
10

The helical structure of protein is stabilised by

  1. dipeptide bonds
  2. hydrogen bonds
  3. ether bonds
  4. peptide bonds
AIPMT 2004
11

Which of the following structures represents the peptide chain?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2004

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