List of top Questions asked in NEET (UG)

Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originate as adaptation. These imprints need to be used :

Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain ?

Equilibrium constants K₁ and K₂ for the following equilibria: NO_(g)+\(\bigg(\frac{1}{2}\bigg)\)O₂ \(^{K_1}_\rightleftharpoons\) NO₂(g) and 2NO_2(g) \(^{K_2}_\rightleftharpoons\) 2NO_(g)+O_2(g) are related as:

Which of the following would have a permanent dipole moment?

The catalytic efficiency of two different enzymes can be compared by the:

Which of the following pairs is correctly matched ?

Which of the following statements regarding enzyme inhibition is correct

Which one of the following makes use of RNA as a template to synthesize DNA ?

In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues ?

Potometer works on the principle of :

A patient is generally advised to specially, consume more meat, lentils, milk and eggs in diet only when he suffers from:

Epithelial cells of the intestine involved in food absorption have on their surface :

Identify the correctly matched pair :

Carbohydrates most abundant biomolecules on earth, are produced by :

In a set of reactions, acetic acid yielded a product D.
CH₃COOH \(\xrightarrow[]{SOCl_2}\) A \(\xrightarrow[Anhyd.AlCl_3]{Benzene}\) B \(\xrightarrow[]{HCN}\) C \(\xrightarrow[]{HOH}\) D
The structure of D would be:

The rate of reaction between two reactants A and B decreases by a factor of 4,if the concentration of reactant B is doubled. The order of this reaction with respect to reactant B is:

Three crops that contribute maximum to global food grain production are :

Genes for cytoplasmic male sterility in plants are generally located in

Match items in column-I with those in column-II.

	Column-I		Column-II
A	Peritrichous flagellation	1	Ginkgo
B	Living fossil	2	Macrocystes
C	Rhizophore	3	Escherichia coli
D	Smallest flowering plant	4	Selaginella
E	Largest perennial alga	5	Wolffia

Select the correct answer from the following : Codes :

The name of Norman Borlaug is associated with :

In which one pair both the plants can be vegetatively propagated by leaf pieces ?

More than 70% of world's freshwater is contained in :

Which one of the following characters is not typical of the class-Mammalia ?

Auxospores and hormocysts are formed, respectively, by :

At a particular locus, frequency of 'A' allele is 0.6 and that of 'a' is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium ?