The pitch of DNA helix is:

1. 0.34 nm	2. 3.4 nm
3. 34 nm	4. 340 nm

The compound from which cholesterol is formed is:
1. Mevalonic acid
2. Butyric acid
3. Alpha ketoglutaric acid
4. Acetic acid

The blood concentration of blood glucose in a normal healthy human ranges between:
1. 4.5 – 5.0 mM
2. 45 – 50 mM
3. 70 – 100 nM
4. 100 – 150 mM

The correct adjective for “living state” would be:
1. An equilibrium steady state
2. An equilibrium non steady state
3. A non equilibrium steady state
4. A non equilibrium non steady state

Almost all enzymes are:

In the absence of carbonic anhydrase in the human body, the reaction between carbon dioxide and water leading to the formation of carbonic acid:

Which of these can have catalytic activity?

Enzymes speed up the chemical reactions by:
1. Getting used up in the reaction
2. Formation of different products
3. Converting endothermic reactions to exothermic
4. Lowering activation energy

The substrate concentration at which the enzyme catalyzed reaction achieves ½ Vmax is its ____ value.

In general, with every 10⁰C rise in the temperature [in the range 0⁰C to 40⁰ C], the rate of enzyme catalyzed reaction:
1. Becomes half
2. Gets doubled
3. Remains same
4. There is no such correlation in general