List of top Questions asked in NEET (UG)

The maximum elongation of a steel wire of 1 m length if the elastic limit of steel and its Young’s modulus, respectively, are 8 × 10⁸ N m^–2 and 2 × 10¹¹ N m^–2, is :

Let ω1, ω2 and ω3 be the angular speed of the second hand, minute hand and hour hand of a smoothly running analog clock, respectively. If x1, x2 and x3 are their respective angular distances in 1 minute then the factor which remains constant (k) is

In a chromosome, there is a specific DNA sequence, responsible for initiating replication. It is called as:

An object of mass 100 kg falls from point A to B as shown in figure. The change in its weight, corrected to the nearest integer is ($R_E$ is the radius of the earth):

The minimum energy required to launch a satellite of mass m from the surface of earth of mass M and radius R in a circular orbit at an altitude of 2R from the surface of the earth is :

The correct IUPAC name of the compound

is:

Given below are two statements:
Statement I: When many alleles of a single gene govern a character, it is called polygenic inheritance.
Statement II: In Polygenic inheritance, the effect of each allele is additive.
In the light of the above statements, choose the correct answer from the options given below.

In an electrical circuit, the voltage is measured as V = (200 ± 4) volt and the current is measured as I = (20 ± 0.2) A. The value of the resistance is:

The magnetic moment of an iron bar is M. It is now bent in such a way that it forms an arc section of a circle subtending an angle of 60° at the centre. The magnetic moment of this arc section is

A compound X contains 32% of A, 20% of B and remaining percentage of C. Then, the empirical formula of X is:
(Given atomic masses of A=64; B=40; C=32 u)

The work done during reversible isothermal expansion of one mole of hydrogen gas at 25^oC from a pressure of 20 atm to 10 atm is:
(Given R = 2.0 cal K^-1 mol^-1)

Mesosome in a cell is a

F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxins was supplied with one of the following except :

Which of the following is the correct match?

Recombination between homologous chromosomes is completed by the end of

The Bt toxin in genetically engineered Bt cotton kills the pest by:

Match List I with List II :

List - I Type of Inheritance		List – II Example
A.	Incomplete dominance	i.	Blood groups in human
B.	Co-dominance	ii.	Flower colour in Antirrhinum
C.	Pleiotropy	iii.	Skin colour in human
D.	Polygenic inheritance	iv.	Phenylketonuria

Choose the correct answer from the options given below :

Which of the following helps in maintenance of the pressure gradient in sieve tubes?

Which of the following graphs depicts the effect of substrate concentration on velocity of enzyme catalysed reaction?

Which of the following is a nucleotide?

Match List-I with List-II:

List-I	List-II
A. Biodiversity hotspot	I. Khasi and Jantia hills in Meghalaya
B. Sacred groves	II. World Summit on Sustainable
C. Johannesburg South Africa	III. Parthenium
D. Alien species invasion	IV. Western Ghats

Choose the correct answer from the options given below:

Match List-I with List-II :

List-I	List-II
A. China rose	I. Free central
B. Mustard	II. Basal
C. Primrose	III. Axile
D. Marigold	IV. Parietal

Choose the correct answer from the options given below

Identify the incorrect statement related to get electrophoresis

Match List-I with List-II :

List-I	List-II
A. Vexillary aestivation	I. Brinjal
B. Epipetalous stamens	II. Peach
C. Epiphyllous stamens	III. Pea
D. Perigynous flower	IV. Lily

Choose the correct answer from the options given below

The part marked as ‘x’ in the given figure is