1.  How much water is contained in our body by mass? (2)

1. 65%

2. 70%

3. 60%

4. None of these

2.  What determines the sex of a child ? (1)

1. Chromosomes of the father

2. Chromosomes of the mother

3. RH factor of the parents

4. Blood group of the father

3. Think Pad’ is a laptop associated with which among the following companies? (4)

1. HP

2. TCS

3 .Infosys

4. IBM

4. The wire of flash bulb is made of— (3)

1. Copper

2. Barium

3. Magnesium

4. Silver

5.  The curves showing the volume pressure behaviour of gases plotted at different fixed temperatures are called— (2)

1. Isochors

2. lsothermals

3 .V.T.P. Curves

4 .Isocurves