Which of the following proteins exist in their quaternary structure

1. Myoglobin

2. Haemoglobin

3. Globulin

4. Both 1 and 2

How many heme groups are present in Haemoglobin

(1)2

(2)1

(3)4

(4)3

How many heme groups are present in Myoglobin

(1)2

(2)1

(3)4

(4)3

How many polypeptide subunits are present in Haemoglobin

(1)2

(2)1

(3)3

(4)None of these

Which of the following subunits are present in adult Haemoglobin

1. 2α & 2β type subunits

2. 2α & 2µ type subunits

3. 2β & 2µ type subunits

4. 2α & 2α  type subunits

N-SCYE-C^’ is a  hypothetical polypeptide formed by amino acids. Which of the amino acids of the polypeptide is charged?

(1)S

(2)C

(3)Y

(4)E

14 ^‘N-SCYE-C^’ is a  hypothetical polypeptide formed by amino acids. How many water molecules have been released in the formation of that polypetide

(1)4

(2)3

(3)2

(4)1

More than 90% of the dry weight of plants is due to:

Which of the following is primary metabolites?

(1)Carbohydrates

(2)Proteins

(3)Lipids and Nucleic acids

(4)All of these

Which of the following is not true about secondary metabolites?

(1)They have direct role in photosynthesis, respiration and reproduction

(2)They act as toxins or pigments or drugs or lectins

(3) Distribution is limited and restricted to special taxonomic group

(4) Organic compound of diverse nature