List of practice Questions

Match the following. Column I Column II
Refer to the given diagram and choose the correct option for it.
Identify a, b and c
Which of the following cannot be used for direct gene transfer?
Select the correctly matched pair.
Animal of which phylum have hooks and suckers and are endoparasite on other animals
An object floats in water with 10% of its volume outside and in oil 30% of its volume outside. The specific gravity of the oil is
A semicircular arc of radius r and a straight wire along the diameter, both are carrying same current i. Find out magnetic force per unit length at point P.
A pair of fair dice is tossed repeatedly until a sum of four or an odd sum appears. Then the probability that a sum of four appears first is
Which one of the following graphs represents the variation of electric field with distance $r$ from the center of a charged spherical conductor of radius $R$?
Which of the following gives Hell-Volhard-Zelinsky $ (HVZ) $ reaction?
At constant pressure, the heat of formation of a compound is not dependent on temperature, when
In the following circuit, what are P and Q?
The unit of equivalent conductivity is
A gun applies a force F on a bullet which is given by $F = (100 - 0.5 10^5 \times t )N$. The bullet emerges out with speed $400 \,m/s^{-1}$. Then find out the impulse exerted till force on bullet becomes zero
The radius of gyration of a thin uniform circular disc (of radius R) about an axis passing through its centre and lying in its plane is
A block of mass 2 kg is free to move along the x-axis. It is at rest and from t = 0 onwards it is subjected to a time-dependent force F(t) in the x direction. The force F(t) varies with t as shown in the figure. The kinetic energy of the block after 4.5 seconds is
A thin wire of mass M and length L is bent to form a circular ring. The moment of inertia of this ring about its axis is
A cylinder of height 1m is filled with water. If a small orifice is made at a height of 0.25 m from the ground, the horizontal range of water stream will be :
The major organic product formed from the following reaction is
Phenol + Aniline $ {Phenol + Aniline ->[{C_6H_5N_2^+Cl^-}][{KOH}] Product (P) (Major)}$ Major product (P) will be
For the following amines. The correct order of basic strength is
The correct order of basic strength is
(2) CH-CHO (3) p-CH-CH-CHO (4) p-CHO-CH-CHO Correct order for nucleophilic addition reaction :
Find out the products of the reaction.
Find the end product of the following reaction.