List of practice Questions

The CO2 content by volume, in the atmospheric air is about

The most common indicator organism that represents polluted water is

Standing waves are produced in $10\, m$ long stretched string. If the string vibrates in $5$ segments and wave velocity is $20\,m/s$, its frequency is

The Nissl's granules of nerves cell are made up of

When hydrogen atom is in its first excited level, its radius, is

The intermetallic compound $LiAg$ crystallises in cubic lattice in which both lithium and silver have coordination number of eight. The crystal class is

The molecule which does not exhibit dipole moment is

The most stable configuration of n-butane will be

Bryophytes can be separated from algae, because they

Which of the following techniques is most suitable for purification of cyclohexanone from a mixture containing benzoic acid, isoamyl alcohol, cyclohexane and cyclohexanone?

What is common among silver fish, scorpion, crab and honey bee?

An astronomical telescope of tenfold angular magnification has a length of 44 cm. The focal length of the objective is

Carbon-14 dating method is based on the fact that

Tautomerism will be exhibited by

The ability of anion to bring about coagulation of a given colloid depends upon

The structural formula of hypophosphorous acid is

Diphtheria is caused by

During adverse season, therophytes survive by

Ketones [RCOR1] where $R=R_1 =$ alkyl group, can be obtained in one step by

Identify the vector quantity among the following

The life span of human WBC is approximately

Multicellular branched rhizoids and leafy gametophytes are the characteristics of

Which plant will lose its economic value, if its fruits are produced by induced parthenocarpy?

NADPH is generated through

Bidirectional translocation of solutes takes place in