Proteins

Q. The water soluble protein is

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1. Fibrin
2. Collagen
3. Myosin
4. Albumin

Q.

Some statements are given below

A) Renaturation is the reverse of denaturation

B) Denaturation may be reversible and irreversible

C) The biological activity is not lost because of denaturation

D) The conjugation of egg white on boiling is a reversible denaturation

The wrong statements are

1. A, B, C & D

2. A, B & C only

3. C & D only

4. A & B only

Q.

The bicyclic and heterocyclic compound among the following

1. 5 - methyl uracil
2. 2 - Amino - 6 - oxo purine
3. Cytosine
4. Glutamic acid

Q.

Proteins are hydrolysed by enzymes into

1. Amino acids
2. Dicarboxylic acids
3. Hydroxy acids
4. Aromatic acids

Q.

Which of the following do not cause denaturation of proteins

1. Heating proteins
2. Adding acid to proteins
3. Adding water to proteins
4. Adding detergent to proteins

Q.

Which of the following foodstuffs contains nitrogen

1. Proteins
2. Fats
3. Carbohydrates
4. None of these

Q. Protein in silk thread is

1. keratin
2. albumin
3. globulin
4. fibroin

Q. Basic Structure of proteins was given by

1. Nicholson
2. F Sanger
3. W M Stanley
4. Watson

Q. Given below are two statements A and B. Choose the correct answer related to the statements. Statement A: Amino acids are amphoteric in their function Statement B: All amino acids are necessary for our body

1. Statement A is correct but statement B is wrong
2. Both the statements A and B are correct
3. Statement A is wrong but statement B is correct
4. Both the statements A and B are wrong

Q. Energy is stored in our body most commonly in the form of

1. ATP
2. Fats
3. Carbohydrates
4. ADP