A secondary metabolite that is alkaloid in nature is

1. codeine

2. Anthocyanin

3. Gum

4. Abrin

Zwitterions are ionized species of

1. Acidic amino acids

2. Basic amino acids

3. Neutral amino acids

4. All of these

Non-essential amino acids

1. Must be obtained from

2. Are synthesized in our body

3. Are not needed in our diet

4. Both (2) & (3)

The given structure represents a

1. Glycolipid

2. Steroid

3. Phospholipid

4. Lipoprotein

Fats and oils are

1. Glycolipids

2. Triglycerides

3. Phospholipids

4. Conjugated lipid

Which transports glucose into cells is

1. Trypsin

2. Keratin

3. Haemogiobin

4. GLUT-4

Proteins are 

1. Macromolecules
2. Homopolymers
3. Micromolecules
4. Polymers of starch

Plant cell walls are made of

As starch is related to plant body, which of the following polysaccharides is related to animal body ?

1. Cellulose

2. Chitin

3. Glycogen

4. Inulin

Cotton fibre is made up of

1. Cellulose

2. Glycogen

3. Chitin

4. Starch