Biomolecules

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

1. Both Statement I and Statement II are false
2. Statement I is true but Statement II is false
3. Statement I is false but Statement II is true
4. Both Statement I and Statement II are true

The incorrect statement regarding enzymes is

1. Enzymes are biocatalysts.
2. Like chemical catalysts enzymes reduce the activation energy of bio processes.
3. Enzymes are polysaccharides.
4. Enzymes are very specific for a particular reaction and substrate.

The incorrect statement about denaturation of proteins is :

1. Uncoiling of the helical structure takes place
2. It results due to change of temperature and/or pH
3. It results in loss of biological activity of proteins
4. A protein is formed from amino acids linked by peptide bonds

The RBC deficiency is deficiency disease of :

1. Vitamin B2
2. Vitamin B12
3. Vitamin B6
4. Vitamin B1

Which of the following is a basic amino acid?

1. Alanine
2. Tyrosine
3. Lysine
4. Serine

Sucrose on hydrolysis gives :

1. -D-Glucose + -D-Glucose
2. -D-Glucose + -D-Fructose
3. -D-Fructose + -D-Fructose
4. -D-Glucose + -D-Fructose

The non-essential amino acid among the following is :

1. alanine
2. lysine
3. valine
4. leucine

The difference between amylose and amylopectin is

1. amylopectin have 1 4 -linkage and 1 6 -linkage
2. amylose have 1 4 -linkage and 1 6 -linkage
3. amylopectin have 1 4 -linkage and 1 6 -linkage
4. amylose is made up of glucose and galactose

Which of the following compounds can form a zwitter ion?

1. Aniline
2. Acetanilide
3. Benzoic acid
4. Glycine

Which of the following statements is not correct?

1. Ovalbumin is a simple food reserve in egg-white.
2. Blood proteins thrombin and fibrinogen are involved in blood clotting.
3. Denaturation makes the proteins more active.
4. Insulin maintains sugar level in the blood of a human body.