List of practice Questions

We wish to see inside an atom. Assuming the atom to have a diameter of $100\, pm$, this means that one must be able to resolve a width of say $10\, pm$. If an electron microscope is used, the minimum electron energy required is about:

The first phylogenetic system of plant classification was proposed by

Which of the following is not considered as an organometallic compound?

The materials suitable for making electromagnets should have

$o- $Toluic acid on reaction with $Br _{2}+ Fe$ gives

The monomer of nylon-6 is/are :

Which of the following is not a protein?

Rainbow is formed due to.............

Which isotope is likely to be most stable?

The waves produced by a motorboat sailing in water are

The waves which cannot travel in vacuum are:

The true stomach in ruminants where most of digestion takes place is

The time period of an earth satellite in circular orbit is independent of

The first acceptor of $CO_{2}$ in $ C_{4}$ plant is:

In Ulothrix meiosis occurs in:

Alexender Flamming in 1939 discovered:

Lichens are:

The term protoplasm was coined by:

The susceptibility of ferromagnetic and paramagnetic substances are respectively:

The study of kind of life in outer space is known as

The statement true for $N_3^-$ is

The smog is essentially caused by the presence of

The set of all integral multiples of $5$ is a subgroup of

The scientist, who described the birds as glorified reptiles, was

The richest sources of vitamin B are