List of top Questions asked in NEET (UG)

Gemmae are present in:

In a potentiometer circuit a cell of EMF $1.5\, V$ gives balance point at $36\, cm$ length of wire. If another cell of EMF $2.5\, V$ replaces the first cell, then at what length of the wire, the balance point occurs ?

Amensalism can be represented as:

Column - I gives certain physical terms associated with flow of current through a metallic conductor. Column - II gives some mathematical relations involving electrical quantities. Match Column - I and Column - II with appropriate relations.

Column I		Column II
A	Drift Velocity	P	$\frac{ m }{ ne ^{2} \rho}$
B	Electrical Resistivity	Q	$ne v_{ d }$
C	Relaxation Period	R	$\frac{ e E }{ m } \tau$
D	Current Density	S	$\frac{ E }{ J }$

Statement I : The codon 'AUG' codes for methionine and phenylalanine. Statement II : 'AAA' and 'AAG' both codons code for the amino acid lysine. In the light of the above statements, choose the correct answer from the options given below.

Succus entericus is referred to as :

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

An organic compound contains $78 \%$ (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of $C$ is $12, H$ is $1$]

The escape velocity from the Earth's surface is $v$. The escape velocity from the surface of another planet having a radius, four times that of Earth and same mass density is :

Gemmae are present in:

A convex lens ‘A’ of focal length 20 cm and a concave lens ‘B’ of focal length 5 cm are kept along the same axis with a distance ‘d’ between them. If a parallel beam of light falling on ‘A’ leaves ‘B’ as a parallel beam, then the distance ‘d’ in cm will be

The electron concentration in an n-type semiconductor is the same as the hole concentration in a p-type semiconductor. An external field (electric) is applied across each of them. Compare the currents in them

For the given circuit, the input digital signals are applied at the terminals A, B and C. What would be the output at the terminal y?

The centriole undergoes duplication during

The structures of beryllium chloride in solid state and vapor phase, are

For a reaction A$\rightarrow$B, the enthalpy of the reaction is −4.2 kJ mol⁻¹ and the enthalpy of activation is 9.6 kJ mol⁻¹. The correct potential energy profile for the reaction is shown in option

Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli

From the following pairs of ions which one is not an iso-electronic pair?

Consider the above reaction and identify the missing reagent/chemical.

Choose the correct option for the total pressure (in atm.) in a mixture of 4 g O₂ and 2 g H₂confined in a total volume of one litre at 08C is : [Given R=0.082 L atm mol⁻¹K⁻¹, T=273 K]

For irreversible expansion of an ideal gas under isothermal condition, the correct option is

The correct option for the value of vapor pressure of a solution at 45$^{\circ}$C with benzene to octane in molar ratio 3 : 2 is : [At 45$^{\circ}$C vapor pressure of benzene is 280 mm Hg and that of octane is 420 mm Hg. Assume Ideal gas]

Mutations in plant cells can be induced by

Match List - I with List - II.

List - I		List - II
(a)	Cells with active cell division capacity	(i)	Vascular tissues
(b)	Tissue having all cells similar in structure and function	(ii)	Meristematic tissue
(c)	Tissue having different types of cells	(iii)	Sclereids
(d)	Dead cells with highly thickened walls and narrow lumen	(iv)	Simple tissue

Select the correct answer from the options given below

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

Column I		Column II
A	Drift Velocity	P	\(\frac{ m }{ ne ^{2} \rho}\)
B	Electrical Resistivity	Q	\(ne v_{ d }\)
C	Relaxation Period	R	\(\frac{ e E }{ m } \tau\)
D	Current Density	S	\(\frac{ E }{ J }\)