PU Entry Test Past Papers

The oxides of electropositve elements are:

1. acidic
2. neutral
3. amphoteric
4. basic

Xenon has how many kinds of oxides?

1. 1
2. 2
3. 3
4. 4

Which one of the following nitrogenous bases is not present in RNA?

1. adenine
2. cytosine
3. thymine
4. uracil

The molecule which has all the three characters i.e. ionic, covalent and coordinate covalent, is:

1. H2O
2. KBr
3. NH4Cl
4. NH3

A component haveing small value of distribution coefficient mostly remain in:

1. mobile phase
2. chromatographic tank
3. locating mixture
4. stationary phase

The angle through which plane polarized light is rotated by the reacting mixture is measured by:

1. optical rotation method
2. dilatometric method
3. spectrometric method
4. refractometric method

The semi digested food in cockroach is stored temporarily in this organ?

1. Crop
2. Gizzard
3. Rectum
4. Stomach

Filial is the Latin word, it means

1. spring
2. progeny
3. issue
4. descendant

Most of the major organs of fetus are formed by _____ week of pregnancy.

1. 3rd
2. 12th
3. 10th
4. 14th

In 1935, Tobacco mosaic virus was crystallized by?

1. Margulis
2. Stanley
3. Schwartz
4. Whitaker