In which of the following energy is released?

1.	Conversion of glucose into pyruvate
2.	Formation of proteins from amino acids
3.	Conversion of glucose into lactic acid
4.	Both (1) & (3)

Which of the following is not strictly a biomacromoles?

1. Proteins

2. Lipids

3. Polysaccharides

4. Nucleic acid

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