List of practice Questions

Increasing order of acidic strength among p-methoxy phenol (I), p-methyl phenol (II) and p-nitrophenol (III) is

The total charge, induced in a conducting loop when it is moved in magnetic field depend on

The energy of an electron in the $nth$ Bohr orbit of H - atom is

Strength hydrogen bonding is shown by

Elements of which of the following groups will form anions most readily?

Hydrogen bond is strongest in

In Pinus; the pollen grain has 6 chromosomes then in its endosperm will have

A plant having seeds but lacking flowers and fruits belongs to

Which one of the following is not common between Funaria and Selaginella

The plant group that produces spores and embryo but lacks vascular tissues and seeds is

A plant in which sporophytic generation is represented by zygote is

Bull Frog of India is

Aristotle's lantern occurs in class

Star Fish belongs to

Eye of the molluscan group that resembles vertebrate eye is

Adult Culex and Anopheles can be distinguished with the help of

A body dropped from top of a tower fall through 40 m during the last two seconds of its fall. The height of tower is
\((g = 10\, m/s^2)\)

The mean radius of earth is $R$, its angular speed on its own axis is $\omega$ and the acceleration due to gravity at earth's surface is $g$. What will be the radius of the orbit of a geostationary satellite ?

A battery of e.m.f 10 V and internal resistance $0.5\, \Omega$ is connected across a variable resistance R. The value of R for which the power delivered in it is maximum is given by

For production of beats the two sources must have

The frequency of sinusodial wave y = 0.40cos [2000 t + 0.80] would be

With the propogation of a longitudinal wave through a material medium, the quantities transmitted in the propogation direction are

HBr reacts fastest with

An organism with two identical alleles is

An allele is dominant if it is expressed in