What is the percentage of water present in our brain?

1. 1. 0.73
   2. 0.85
   3. 0.95
   4. 0.97

Normal body temperature in mamals like human beings is_____.

1. 1. 26 – 28°C
   2. 46 – 48°C
   3. 36 – 38°C
   4. 56 – 58°C

Addition of salts and other solutes from other cells into xylem sap, _____the water potential of the xylem sap.

1. 1. Lowers
   2. Increases
   3. Doesn’t effect
   4. Maintains

Morgan studied how many traits of Drosophila?

1. 1. 85
   2. 7
   3. 67
   4. All

PCR technique was invented by_____.

1. 1. Boyer
   2. Karry Mullis
   3. Sanger
   4. Cohn

In term of spore production Selaginella is characterized by_____.

1. 1. Hetrosporous
   2. Homosporous
   3. Both depending upon the conditions
   4. None of these

In which of the following example of fungi dikaryotic hyphae exist for long period?

1. 1. Deuteromycota
   2. Basidiomycota
   3. Zygomycota
   4. All of these

Chlorophyll is a naturally occurring chelate compound in which central metal is _____.

1. 1. magnesium
   2. copper
   3. iron
   4. None of these

Coccobacillus has a shape similar to_____.

1. 1. Egg
   2. Diplobacillus
   3. Sarcina
   4. None of these

The cardio respiratory capacity is related to_____.

1. 1. Strength
   2. Normal physical endurance
   3. Flexibility
   4. Agility