PU Entry Test Past Papers

What is basic unit of classification?

1. species
2. order
3. family
4. genus

Members of subdivision Hepaticopsida are commonly called what of the following?

1. Liver worts
2. Hornworts
3. Club mosses
4. Horsetails

Which of the following substances is used to absorb carbon dioxide gas in combustion analysis?

1. 50%KOH
2. Al2O3
3. AiO2
4. Mg(ClO4)2

In decolorization process, animal charcoal is boiled with?

1. Acid H2O
2. Alkaline H2O
3. Hot water
4. Suitable solvent

The temperature of natural plasma is about

1. 2000 C
2. 10000 C
3. 5000 C
4. 1000 C

The arrangement of particles in a body centered cubic (BCC) unit cell consists of:

1. one particle at the center and eight particles at the corners
2. one particle at the center and six particles at the faces
3. eight particles at the corner only
4. one particle at the center only

When HCl is added to aqueous H2S its inonizarion.

1. increases
2. decreases
3. no effect
4. first decreases then increases

Which of the following is the example of colligative property of a solution?

1. boiling point elevation
2. solubility
3. viscosity
4. pH

If a strip of Cu metal is placed in a solution of FeSO4.

1. Cu will be precipitated down
2. Fe is precipitated out
3. Cu and Fe both dissolve
4. No reaction takes place

The rate expresson for a reaction is given as rate = K[ A ] ^2 [ B ]^3. What is the overall order of the reaction?

1. 2
2. 3
3. 5
4. 6