List of practice Questions

barometer reads 75 cm of mercury. When $2.0 \,cm^3$ of air at atmospheric pressure is introduced into the space above the mercury level, the volume of this space becomes $50 \,cm^3$. The length by which the mercury column descends is

Based on the figure given below which of the following statements is not correct ?

Basic unit of ecological hierarchy is

$BaSO_4$ is insoluble in water due to its

Balbiani rings or puffs occur in

Band spectrum is produced by

Barbituric acid and its derivatives are well known as

Bark does not include

Baculoviruses (Nucleopolyhedrovirus) do not show

Bag $I$ contains $3$ white and $3$ red balls and bag $II$ contains $5$ white and $4$ red balls. $A$ bag is taken at random and a ball is drawn from it. If the ball drawn is white, then find the probability that it was drawn from bag $II$.

Bakelite is a product formed from

Bakelite is the condensation polymer of

Bacteria mainly reproduce by

Bacteriophages usually have

Baculoviruses are excellent candidates for

Azo dye is prepared by the coupling of phenol and

B.H.C. is used as an:

Bacteria and fungi are placed in plant kingdom in two kingdom classification for this reason

Bacteria is a group of prokaryotic organisms which is characterised by

'Aves' taxonomically represent a

Auxin regulates cell growth by which of the following mechanisms ?

Auxin was first isolated from

Avena coleoptile test to find out the quantity of growth promoting hormones was discovered by -

Average acceleration vector for a particle having uniform circular motion is

ATPase of the muscle is located in