List of top Questions asked in NEET (UG)- 2024

Two heaters A and B have power rating of 1 kW and 2 kW, respectively. Those two are first connected in series and then in parallel to a fixed power source. The ratio of power outputs for these two cases is :

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):

Sol Figure

The magnetic potential energy, when a magnetic bar of magnetic moment \( \vec{m} \) is placed perpendicular to the magnetic field \( \vec{B} \), is:

In the above diagram, a strong bar magnet is moving towards solenoid-2 from solenoid-1. The direction of induced current in solenoid-1 and that in solenoid-2, respectively, are through the directions :

The E° value for the Mn³⁺/Mn²⁺ couple is more positive than that of Cr³⁺/Cr²⁺ or Fe³⁺/Fe²⁺ due to change of

A particle is moving along x-axis with its position ($ x $) varying with time ($ t $) as:
$ x = \alpha t^4 + \beta t^2 + \gamma t + \delta. $
The ratio of its initial velocity to its initial acceleration, respectively, is:

The following graph represents the T-V curves of an ideal gas ( where T is the temperature and V the volume) at three pressures P₁, P₂ and P₃ compared with those of Charles's law represented as dotted lines.

Then the correct relation is :

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: During the transportation of gases, about 20-25 percent of \(CO_2\) is carried by Haemoglobin as carbamino-haemoglobin.
Reason R: This binding is related to high p \(CO_2\) and low p \(O_2\) in tissues.
In the light of the above statements, choose the correct answer from the options given below

A wire of length and resistance \(100\) is divided into 10 equal parts. The first \(5\) parts are connected in series while the next \(5\) parts are connected in parallel. The two combinations are again connected in series. The resistance of this final combination is:

Identify the incorrect statement related to get electrophoresis

How many molecules of ATP and NADPH are required for every molecule of CO₂ fixed in the Calvin cycle?

Match List I with List II:

List I		List II
A	Mesozoic Era	I	Lower invertebrates
B	Proterozoic Era	II	Fish & Amphibia
C	Cenozoic Era	III	Birds & Reptiles
D	Paleozoic Era	IV	Mammals

Choose the correct answer from the options given below:

Given below are two statements :
Statement I : Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.
Statement II : Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes.
In the light of above statements, choose the most appropriate answer from the options given below :

Which of the following set of ions act as oxidising agents?

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

Recombination between homologous chromosomes is completed by the end of

On heating, some solid substances change from solid to vapour state without passing through liquid state. The technique used for the purification of such solid substances based on the above principle is known as

In which of the following equilibria, K_p and K_e are NOT equal?

Identify the wrong statements
(A) Erythropoietin is produced by juxtaglomerular cells of the kidney
(B) Leydig cells produce Androgens
(C) Atrial Natriuretic factor, a peptide hormone is secreted by the seminiferous tubules of the testes
(D) Cholecystokinin is produced by gastrointestinal tract
(E) Gastrin acts on intestinal wall and helps in the production of pepsinogen
Choose the most appropriate answer from the options given below :

The flippers of the Penguins and Dolphins are the example of the

According to the law of equipartition of energy, the number of vibrational modes of a polyatomic gas of constant \(\gamma = \frac{C_P}{C_V}\) is (\(C_P\) where \(C_V\) are the specific heat capacities of the gas at constant pressure and constant volume, respectively):

A person with blood group ARh^– can receive the blood transfusion from which of the following types?
A. BRh^–
B. ABRh^–
C. ORh^–
D. ARh^–
E. ARh⁺
Choose the correct answer from the options given below :

An iron bar of length L has magnetic moment M. It is bent at the middle of its length such that the two arms make an angle 60° with each other. The magnetic moment of this new magnet is :

Given below are two statements:
Statement I : Chromosomes become gradually visible under light microscope during leptotene stage.
Statement II : The begining of diplotene stage is recognized by dissolution of synaptonemal complex.
In the light of the above statements, choose the correct answer from the options given below:

The amount of glucose required to prepare 250 mL of \( \frac{M}{20} \) aqueous solution is:
(Molar mass of glucose: 180 g mol^-1)

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