List of top Questions asked in NEET (UG)

The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of

Global warming can be controlled by

The Air Prevention and Control of Pollution Act came into force in

If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child ?

In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called

A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is

Infection of Ascaris usually occurs by

Which enzyme/s will be produced in a cell in which there is a nonsense mutation in the lac Y gene ?

Which one of the following processes during decomposition is correctly described ?

The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C

During sewage treatment, biogases are produced which include

According to Darwin, the organic evolution is due to

The cell-mediated immunity inside the human body is carried out by

A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is

A parallel beam of fast moving electrons is incident normally on a narrow shit. A fluorescent screen is placed at a large distance from the slit. If the speed of the electrons is increased, which of the following statements is correct?

An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass 1 kg moves with a speed of 12 $ms^{-1}$ and the second part of mass 2 kg moves with 8 $ms^{-1}$ speed. If the third part flies off with 4 $ms^{-1}$ speed, then its mass is

The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10 Ω is

A current loop in a magnetic field

A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turn to white hot. The correct explanation for the above observation is possible by using

A plano-convex lens fits exactly into a plano- concave lens. Their plane surfaces are parallel to each other. If lenses are made of different materials of refractive indices, $μ_1$ and $μ_2$ and R is the radius of curvature of the curved surface of the lenses, then the focal length of the combination is

The molar specific heats of an ideal gas at constant pressure and volume are denoted by $C_p$ and $C_V$ respectively. If $ γ = \frac{C_P}{C_v}$ and R is the universal gas constant, then $C_V$ is equal to

A, B and C are three points in a uniform electric field. The electric potential is

If we study the vibration of a pipe open at both ends, then the following statement is not true

In a common emitter (CE) amplifier having a voltage gain G, the transistor used has transconductance 0.03 mho and current gain 25. If the above transistor is replaced with another one with transconductance 0.02 mho and current gain 20, the voltage gain will be

In a n-type semiconductor, which of the following statement is true?