Biomolecules (Biology)

Primary proteins are also called as polypeptides because :

1. They can assume many conformations
2. They are linear chains
3. They are polymers of peptide monomers
4. Successive amino acids are joined by peptide bonds

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect

In the enzyme which catalyses the breakdown of: 2H2O2 2H2O + O2 the prosthetic group is :

1. Niacin
2. Nicotinamide adenine dinucleotide
3. Haem
4. Zinc

Which of the following are not secondary metabolites in plants?

1. Rubber, gums
2. Morphine, codeine
3. Amino acids, glucose
4. Vinblastin, curcumin

Match List-I with List-II. Choose the correct answer from the options given below.

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

Identify the incorrect pair

1. Drugs - Ricin
2. Alkaloids - Codeine
3. Toxin - Abrin
4. Lectins - Concanavalin A

Following are the statements with reference to 'lipids'. Choose the correct answer from the options given below.

1. B and E only
2. A and B only
3. C and D only
4. B and C only

Identify the substances having glycosidic bond and peptide bond, respectively in their structure

1. Glycerol, trypsin
2. Cellulose, lecithin
3. Inulin, insulin
4. Chitin, cholesterol

Which one of the following is the most abundant protein in the animals?

1. Collagen
2. Lectin
3. Insulin
4. Haemoglobin

Match the following Choose the correct option from the following

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