List of top Questions asked in NEET (UG)

In some members of which of the following pairs of families, pollen grains retain their viability for months after release

The first stable product of CO2 fixation in sorghum is

The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is

Which of the following plants is monoecious?

Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?

What is the role of RNA polymerase III in the process of transcription in eukaryotes

Plants follow different pathways in response to the environment or life phases to form different structures. This ability is called : 

The factor that leads to the Founder effect in a population is

Complete the flow chart on central dogma.

central dogma

Which of the following stages of meiosis involves the division of the centromere?

Which of the following is not an application of PCR (Polymerase Chain Reaction)?

When gene targetting involving gene amplification is attempted in an individual’s tissue to treat disease, it is known as :

Plasmid pBR322 has PstI restriction enzyme site within gene ampR that confers ampicillin resistance. If this enzyme is used for inserting a gene for β-galactoside production and the recombinant plasmid is inserted in an E.coli strain

Diadelphous stamens are found in :

In the equation, GPP−R=NPP R represents :

Select the correct pair

Which of the following algae produce Carrageen?

Match List - I with List - II.
 List - I List - II
(a)S phase(i)Proteins are
synthesized
(b)G2 phase(ii)Inactive phase
(C)Quiescent stage(iii)Interval between
mitosis and initiation
of DNA replication
(d)G1 phase(iv)DNA replication

Choose the correct answer from the options given below.

In the exponential growth equation \(N_t=N_o e^{rt}\), e represents:
Identify the correct statement.

Match List - I with List - II. 

List - I

List - II

(a)Protoplast fusion(i)Totipotency
(b)Plant tissue culture(ii)Pomato
(c)Meristem culture(iii)Somaclones
(d)Micropropagation(iv)Virus-free plants

 

Choose the correct answer from the options given below

Match List - I with List - II. 

List - I

List - II

(a)Lenticels(i)Phellogen
(b)Cork cambium(ii)Suberin deposition
(c)Exchange of gases(iii)Exchange of gases
(d)Cork(iv)Phelloderm 

 Choose the correct answer from the options given below

Now a days it is possible to detect the mutated gene causing cancer by allowing radioactive probe to hybridise its complementary DNA in a clone of cells, followed by its detection using autoradiography because:

During the purification process for recombinant DNA technology, the addition of chilled ethanol precipitates out :

Match List - I with List - II. 

List - I

List - II

(a)Cohesion(i)More attraction in liquid phase
(b)Adhesion (ii)Mutual attraction among water molecules
(c) Surface tension(iii)Water loss in liquid phase 
(d)Guttation (iv)Attraction towards polar surfaces 

Choose the correct answer from the options given below.