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Biomolecules (Biology)

AIPMT 2002MCQEasy📈 Topic in 88% papers+4−1
Ques. 1AIPMT 2002

Collagen is:

  1. Globular protein
  2. Fibrous protein
  3. Carbohydrate
  4. Lipid

Answer

(2) Fibrous protein

Solution

As per NCERT, collagen is the most abundant protein in the animal world.

⇒ It is made of long polypeptide chains wound into a triple helix, forming tough fibres of connective tissue (tendons, ligaments, skin, bone).

∴ Collagen is a fibrous (structural) protein, not a globular protein.

Answer: (2)

Keep practising — Biomolecules (Biology)

Ques. 2AIPMT 2001

Most abundant organic compound on earth is

  1. Cellulose
  2. Steroids
  3. Protein
  4. Lipids
Ques. 3AIPMT 2001

Spoilage of oil can be detected by which fatty acid?

  1. Linolenic acid
  2. Erucic acid
  3. Linoleic acid
  4. Oleic acid
Ques. 4AIPMT 2001

In plants, inulin and pectin are

  1. Excretory material
  2. Reserve material
  3. Insect attracting material
  4. Wastes
Ques. 5AIPMT 2000

Role of enzyme in reactions is to/as

  1. decrease activation energy
  2. increase activation energy
  3. inorganic catalyst
  4. none of the above.
Ques. 6AIPMT 2000

Which factor is responsible for inhibition of enzymatic process during feedback?

  1. Substrate
  2. Enzymes
  3. End product
  4. Temperature
Ques. 7AIPMT 2000

ATP is

  1. nucleotide
  2. nucleoside
  3. nucleic acid
  4. vitamin.
Ques. 8AIPMT 2000

Which of the following have carbohydrate as prosthetic group?

  1. Glycoprotein
  2. Chromoprotein
  3. Lipoprotein
  4. Nucleoprotein
Ques. 9AIPMT 2000

Essential amino acid is

  1. phenylalanine
  2. glycine
  3. aspartic acid
  4. serine
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