List of top Questions asked in NEET (UG)

Menstrual flow occurs due to lack of

Which one of the following is not the function of placenta? It

One of the legal methods of birth control is

Which of the following cannot be detected in a developing foetus by amniocentesis ?

Artificial insemination means

Which Mendelian idea is depicted by a cross in which the F₁ generation resembles both the parents ?

The incorrect statement with regard to Haemophilia is

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

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

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

According to Darwin, the organic evolution is due to

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

Infection of Ascaris usually occurs by

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

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

During sewage treatment, biogases are produced which include

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

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

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

Global warming can be controlled by

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

In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic :

Two metal rods $1$ and $2$ of same lengths have same temperature difference between their ends. Their thermal conductivities are $ K_1$ and $K_2 $ and cross sectional areas $ A_1 $ and $ A_ 2 $ respectively. If the rate of heat conduction in 1 is four times that in 2, then :

$6.02 \times 10^{20}$ molecules of urea are present in 100 mL of its solution. The concentration of solution is :-

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