An acid that acts as a vitamin is

1.	Aspartic acid	2.	Glumatic acid
3.	Ascorbic acid	4.	Saccharic acid

Which of the following tests is not used for detecting proteins?

1. Ninhydrin test

2. Millon's test

3. Molisch's test

4. Biuret test

Scurvy is caused due to the deficiency of vitamin:-

Sucrose on hydrolysis gives:

1. $\mathrm{\alpha }$-D-Glucose + $\mathrm{\beta }$-D-Glucose

2. $\mathrm{\alpha }$-D-Glucose + $\mathrm{\beta }$-D-Fructose

3. $\mathrm{\alpha }$-D-Fructose + $\mathrm{\beta }$-D-Fructose

4. $\mathrm{\beta }$-D-Glucose + $\mathrm{\alpha }$-D-Fructose

Which of the following metal ions activates many enzymes participating in the oxidation of glucose to produce ATP and with Na it is also responsible for the transmission of nerve signals:

1. Copper

2. Calcium

3. Potassium

4. Iron

Which of the following is a basic amino acid?

A well known naturally occuring organometallic compound is

1. vit B₁₂ coenzyme

2. chlorophyll

3. cytochrome P-450

4. myoglobin

${\mathrm{VO}}_4^{3-}<mspace\; width="1em"></mspace>\mathrm{or}<mspace\; width="1em"></mspace>{\mathrm{PO}}_4^{3-}$ which inhibits the operation of enzyme ATPase?

1. Both

2. Only ${\mathrm{PO}}_4^{3-}$

3. Only ${\mathrm{VO}}_4^{3-}$

4. None of these

The inside of a cell is a

1. reducing medium

2. oxidising medium

3. neutral medium

4. None of these

O₂ binding in Hb is

1. pH dependent

2. pH independent

3. O₂ binds at neutral pH

4. None of these