List of top Questions asked in NEET (UG)- 2026

Exploring molecular, genetic and species-level diversity for products of economic importance is called :

$2(C_{51}H_{98}O_{6}) + 145\,O_{2} \longrightarrow 102\,CO_{2} + 98\,H_{2}O + \text{energy}$ The Respiratory Quotient (RQ) of a biomolecule used for respiration, as per the above equation, would be :

Identify the correct sequence of steps in each cycle of Polymerase Chain Reaction :

"The Evil Quartet" of biodiversity loss includes which of the following ?

The main criteria used for Five Kingdom Classification proposed by R.H. Whittaker (1969) included :
A. Cell structure
B. Body organization
C. Presence of flagellum
D. Reproduction
E. Phylogenetic relationships Choose the correct answer from the options given below :

In racemose inflorescence,

In the {lac} operon, the {z} gene codes for :

Since the origin and diversification of life on Earth, there have been five episodes of mass extinction of species. How is the sixth extinction, which is in progress, different from the previous episodes ?

Which one of the following is a triploid cell ?

Which of the following is an {in situ} conservation method ?

Arrange the following in the correct developmental sequence related to microsporogenesis :
A. Microspore tetrads
B. Sporogenous tissue
C. Pollen grains
D. Pollen mother cells

The main function of bulliform cells in grasses is :

Arrange the following steps of somatic hybridisation in a correct sequence.
A. Digestion of cell walls.
B. Isolation of naked protoplasts.
C. Fusion of protoplasts to get hybrid protoplast.
D. Isolation of single cells from two different varieties of plants.
E. Growing of hybrid protoplast to form a new plant. Choose the correct answer from the options given below:

Find the incorrect statement(s) about photosynthesis from the following:
A. The water splitting complex is associated with PS I.
B. $C_4$ plants use the $C_3$ pathway of $CO_2$ fixation as the main biosynthetic pathway.
C. In $C_4$ plants, photorespiration does not occur.
D. $C_3$ plants exhibit 'Kranz' anatomy.
E. ATP synthesis in chloroplast occurs through chemiosmosis. Choose the answer from the options given below:

Arrange the following steps of DNA fingerprinting in a correct sequence.
A. Isolation of DNA and its digestion by restriction endonucleases.
B. Hybridisation using labelled VNTR probe.
C. Transferring of separated DNA fragments to synthetic membranes.
D. Detection of hybridised DNA fragments by autoradiography.
E. Separation of DNA fragments by electrophoresis. Choose the correct answer from the options given below:

Which of the following statements are not true regarding restriction endonucleases?
A. They are called molecular scissors.
B. These are the enzymes responsible for restricting the growth of bacteriophages in {E. coli}.
C. They cut the DNA only at the centre of the palindromic sites.
D. They remove nucleotides only from the ends of DNA fragments.
E. They recognise specific palindromic base-pair sequences. Choose the answer from the options given below:

Heterophyllous development in response to environment is an example of which of the following phenomena?

Which one of the following types of pollination brings genetically different types of pollen grains to the stigma?

Match List I with List II : \begin{center} \begin{tabular}{ll} List I & List II
A. Conjunctive tissue & I. Specialised cells in the vicinity of guard cells
B. Casparian strips & II. Endodermal cells rich in starch
C. Subsidiary cells & III. Tissue between xylem and phloem
D. Starch sheath & IV. Endodermal cells with suberin deposition
\end{tabular} \end{center} Choose the correct answer from the options given below :

Match List I with List II : \begin{center} \begin{tabular}{ll} List I (Growth Regulator) & List II (Function/Effect)
A. 2,4-D & I. Brewing industry
B. $GA_3$ & II. Stimulation of stomatal closure
C. Kinetin & III. Herbicide
D. ABA & IV. Nutrient mobilisation
\end{tabular} \end{center} Choose the correct answer from the options given below :

Which one of the following statements is not true about the universal rules of binomial nomenclature?

Which one of the following is the site for active ribosomal RNA synthesis?

Which one of the following disorders is caused by the substitution of Glutamic acid (Glu) by Valine (Val) at the sixth position of the beta globin chain of the haemoglobin molecule?

Which of the following statements are correct regarding amino acids?
A. They are substituted methanes.
B. Serine is an aromatic amino acid.
C. Valine is a neutral amino acid.
D. Lysine is an acidic amino acid.
Choose the correct answer from the options given below:

Match List I with List II : \begin{center} \begin{tabular}{ll} List I & List II
A. Trypsin & I. Intercellular ground substance
B. Morphine & II. Lectin
C. Concanavalin A & III. Enzyme
D. Collagen & IV. Alkaloid
\end{tabular} \end{center} Choose the correct answer from the options given below :