List of top Questions asked in NEET (UG)

Which of the following is a basic amino acid ?

Identify the correct statements from the following: 
(a) \(CO_2(g)\) is used as refrigerant for ice-cream and frozen food. 
(b) The structure of \(C_{60}\) contains twelve six carbon rings and twenty-five carbon rings. 
(c) \(ZSM-5\), a type of zeolite, is used to convert alcohols into gasoline. 
(d) \(CO\) is colorless and odourless gas.

An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radiusis:

The solids which have negative temperature coefficient of resistance are :

A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale. The pitch of the screw gauge is:

Choose the correct pair from the following

Light with an average flux of $20\,\Omega/cm^2$ falls on a non-reflecting surface at normal incidence having surface area $20\,cm^2$. The energy received by the surface during time span of $1\,minute$ is :

A spherical conductor of radius 10 cm has a charge of \(3.2 \times 10^{-7} C\) distributed uniformly. What is the magnitude of electric field at a point \(15\,cm\) from the centre of the sphere?
\((\frac {1}{4\pi \epsilon_o} = 9 \times 10^9 Nm^2/C^2)\)

The increase in the width of the depletion region in a p-n junction diode is due to :

A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following ?

If the head of cockroach is removed, It may live for few days because:

Match the organism with its use in biotechnology:

Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to

An electron is accelerated from rest through a potential difference of V volt. If the de Broglie wavelength of the electron is $1.227 \times 10^{-2}nm$, the potential difference is :

An iron rod of susceptibility 599 is subjected to a magnetising field of 1200 A $m^{-1}$. The permeability of the material of the rod is : $(\mu_o = 4\pi \times 10^{-7} T\,m\,A^{-1})$

Cuboidal epithelium with brush border of microvilli is found in:

Dimensions of stress are:

For transistor action, which of the following statements is correct ?

Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. What will be the photoelectric current if the frequency is halved and intensity is doubled?

Which of the following is a natural polymer?

Anisole on cleavage with HI gives :

For the logic circuit shown, the truth table is :

Goblet cells of alimentary canal are modified from

HCl was passed through a solution of $CaCl_2$,$MgCl_2$ and $NaCl$. Which of the following compound(s) crystallise(s)?

Identify the wrong statement with regard to Restriction Enzymes.