List of practice Questions

Extrusion of second polar body from egg nucleus occurs:
Cell recognition and adhesion occur due to biochemicals of cell membranes named
Gastric secretion is stopped by hormone
A compound is treated with $NaNH_2$ to give sodium salt. Identify the compound.
The layer of actively dividing cells of skin is termed as
Blood capillaries are made of
Genophore/bacterial genome or nucleoid is made of
Retina is most sensitive at
Iris is part of
Kupffer's cells occur in
On doping Ge metal with a little of In or Ga, one gets
The most suitable method of separation of $1 : 1$ mixture of ortho and para-nitrophenols is :
Ethanol and dimethyl ether form a pair of functional isomers. The boiling point of ethanol is higher than that of dimethyl ether due to the presence of
Light rays entering the eye is controlled by
Long bones function in
Which of the following is suitable for experiment on linkage ?
Mr. Kapoor has Bb autosomal gene pair and d allele sex-linked. What shall be proportion of Bd in sperms
In telolecithal egg the yolk is found
If the atomic number of an element is 33, it will be placed in the periodic table in the
$Na^+, Mg^{2+}, Al^3+ \, and \, Si^{4+}$ are isoelectronic. The order of their ionic size is
A block has been placed on a inclined plane with the slope angle $\theta$, block slides down the plane at constant speed. The coefficient of kinetic friction is equal to
Enzymes take part in a reaction and
A body starts from rest, what is the ratio of the distance travelled by the during the $4^{th}$ and $3^{rd}$ second ?
Benzene reacts with n-propyl chloride in the presence of anhydrous $AlCl_3$ to give
Tracheae of cockroach and mammal are similar in having