HSC Science (Electronics) 12th Standard Board Exam - Maharashtra State Board Important Questions

The secondary structure of protein is determined by _______.

(A) co-ordinate bond

(B) ionic bond

(C) hydrogen bond

(D) covalent bond

Define enzymes.

How is peptide linkage formed?

Write the structure of simple triglycerides.

State the function of insulin.

What are amino acids?

Write the correct reaction for formation of the peptide bond between amino acids

Give scientific reasons:

α-Amino acids have high melting points compared to the corresponding amines or carboxylic acids of comparable molecular mass.

Write industrial application of enzyme catalysis.

Define α-amino acids.

Explain formation of peptide linkage in protein with an example.

Presence of disulphide link gives rise to which structure of protein?

Write a classification of proteins with an example.

What are enzymes?

Name any two diseases caused by deficiency of Vitamin A

Which of the following vitamins is water soluble?

1. A
2. D
3. E
4. B

Which among the following vitamins is also known as riboflavin?

(A) B1

(B) B2

(C) B6

(D) B12

Vitamin ‘C’ belongs to the class of—

(a) Vitamins of aliphatic series

(b) Vitamins of aromatic series

(c) Vitamins of alicyclic series

(d) Vitamins of heterocyclic series

Inflammation of the tongue is due to the deficiency of:

Which of the following vitamins is the vitamin of alicyclic series?

(A) Vitamin C

(B) Vitamin K

(C) Vitamin B

(D) Vitamin A