NEET questions
18092 published questions with worked solutions.
- Jacob and Monad studied lactose metabolism in E.Coli and proposed operon concept. Operon concept applicable for : -
- Collagen is : -
- Which of the following enzymes are used to join bits of DNA : -
- Manipulation of DNA in genetic engineering became possible due to the discovery of : -
- There are three genes a, b and c. The percentage of crossing over between a and b is 20%, b and c is 28% and a and c is 8%. What...
- Introduction of food plants developed by genetic engineering is not desirable because -
- Nucleus of a donor embryonal cell/somatic cell is transferred to an enucleated egg cell. Then after the formation of organism,...
- If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is :
- A particle moves along a circle of radius ( 20 ) m with constant tangential acceleration. If the velocity of the particle is 80...
- A thin circular ring of mass M and radius r is rotating about its axis with a constant angular velocity . Four objects each of...
- A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length L and height h. What is the speed...
- When a long spring is stretched by 2 cm, its potential energy is U. If the spring is stretched by 10 cm, the potential energy...
- The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height...
- A man weighs 80 kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5 m/s ^2. What...
- A ball rolls without slipping. The radius of gyration of the ball about an axis passing through its centre of mass is K. If...
- The vector sum of two forces is perpendicular to their vector differences. In that case, the forces :
- Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the masses is...
- A man throws balls with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the...
- A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal length...
- An observer moves towards a stationary source of sound with a speed 1/5^ th of the speed of sound. The wavelength and frequency...