List of practice Questions

During the formation of bread it becomes porous due to release of $CO_2$ by the action of :-
Mainly which type of hormones control the menstrual cycle in human beings :-

If a diploid cell is treated with colchicine then it becomes 

What is true for cleavage 

Which of the following is the example of pleiotropic gene ; -
Which of the following is a correct match-
Position of non polar & polar part in miscell
Which of the following is not a reducing agent?
A disc is rotating with angular speed $\omega$. If a child sits on it, what is conserved :-
$CuSO_4 $ when reacts with KCN forms CuCN which is insoluble in water. It is soluble in excess of KCN due to the formation of the complex :-
Continuous bleeding from an injured part of body is due to deficiency of ;-

92U235, nucleus absorb a neutron and disintegrate in 54Xe139, 38Sr94 and x So, What will be the product x 

For a cell terminal potential difference is 2.2 V when circuit is open and reduces to 1.8 V when cell is connected to a resistance of $R = 5\, \Omega$. Determine internal resistance of cell (r) is then :-

Cellulose is polymer of 

Reactivity order of halides for dehydrohalogenation is :-
A and B are two conductors carrying a current I in the same direction, $x$ and $y$ are two electron beams moving in the same direction.
A superconductor exhibits perfect
A convex lens is made up of three different materials as shown in the figure. For a point object placed on its axis, the number of images formed are
In the silver plating of copper, $K[AG(CN)_2]$ is used instead of $AgNO_3. $ The reason is :-
Zn gives $H_2$ gas with $H_2SO_4$ and HCI but not with $HNO_3$ because :-
In borex bead test which compound is formed

3A → 2B,rate of reaction +d[B]/dt is equals to 

van der Waals' real gas, act as an ideal gas, at which condition :-
Which reaction is not feasible :-

The velocity of the electromagnetic waves is parallel to :