Shown below is a level of structural organization of a protein. Which of the following proteins attains its final form as this structure?

1. Keratin	2. Fibroin
3. Tropo-collagen	4. Myoglobin

The following diagram depicts the structure of a:

The triple helix structure of collagen was discovered by:
1. G. N. Ramachandran
2. Y. S. Subbarao
3. C. V. Raman
4. S. Chandrashekhar

The living state of an organism is a :
1. non-equlibrium steady state
2. non-equilibrium variable state
3. steady state in perfect equlibrium
4. variable state in perfect quilibrium

Given below is the structure of a lipid. The excess of this compound in human blood can lead to:

Given below is the structure of a monosaccharide. The homopolymer of this monosaccharide is used in:

1. Storage of carbohydrates in plants 2. Storage of carbohydrates in animals 3. Making the medium for microbial culture 4. Formation of the structure of the plant cell wall

Chitin, a complex polysaccharide, is found in:

The property of the water molecule that is most important for the maintenance of homeostasis in living organisms is:
1. High latent heat of vaporization
2. High latent heat of fusion
3. High specific heat
4. Liquid form more dense than solid form

Consider the following enzymes:
I. Catalase
II. Peroxidase
III. Carboxypeptidase
Which of these enzymes require haem as a co-factor for their activity?

The enzymes that catalyse removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds are called as: