A compound that can form a zwitterion is -

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

D(+) glucose yields an oxime with hydroxyl amine. The structure of the oxime would be:

1.		2.
3.		4.

 The disease caused by deficiency of vitamin B₁ is:

Sucrose can be formed by:
1. α–D–galactopyranose and α–D–glucopyranose
2. α–D–glucopyranose and β–D–fructofuranose
3. β–D–galactopyranose and α–D–fructofuranose
4. α–D–galactopyranose and β–D–fructopyranose

The segment of DNA, that acts as the instrumental manual for the synthesis of the protein is:

Which of the following hormones contains iodine?

1. Insulin

2. Testosterone

3. Adrenaline

4. Thyroxine