List of top Questions asked in NEET (UG)- 2020

Select the option including all sexually transmitted diseases.

Identify the correct statement with reference to human digestive system.

Match the following columns and select the correct option.

	Column I		Column II
A	Organ of Corti	I	Connects middle ear and pharynx
B	Cochlea	II	Coiled part of the labyrinth
C	Eustachian tube	III	Attached to the oval window
D	Stapes oval window	IV	Located on the basilar membrane

The QRS complex in a standard ECG represents :

Which one of the following is the most abundant protein in the animals ?

Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :

Which of the following is not correct about carbonmonoxide ?

In Young’s double slit experiment, if the separation between coherent sources is halved and the distance of the screen from the coherent sources is doubled, then the fringe width becomes :

Identify the correct statement from the following :

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds ?

The quantities of heat required to raise the temperature of two solid copper spheres of radii \(r _1\) and \(r_2\)  \((r_1=1.5 r_2 )\) through \(1 K\) are in the ratio

A charged particle having drift velocity of \(7.5×10^{−4} m s^{−1} \) in an electric field of  has a mobility in  \(m^2 V^{−1} s^{−1}\) of :

An alkene on ozonolysis gives methanal as one of the product. Its structure is :

If 8 g of a non-electrolyte solute is dissolved in 114 g of n-octane to reduce its vapour pressure to 80%, the molar mass (in g mol^-1) of the solute is
[Given that the molar mass of n-octane is 114 g mol^-1.]

Identify the wrong statement with regard to Restriction Enzymes.

Identify the incorrect match.

Name		IUPAC Official Name
A	Unnilunium	I	Mendelevium
B	Unniltrium	II	Lawrencium
C	Unnilhexium	III	Seaborgium
D	Unununnium	IV	Darmstadtium

Which of the following amine will give the carbylamine test ?

The freezing point depression constant (\(K_f \)) of benzene is \(5.12 K\ kg\ mol^{−1}\). The freezing point depression for the solution of molality \(0.078\ m\) containing a non-electrolyte solute in benzene is (rounded off upto two decimal places) :

Paper chromatography is an example of :

Elimination reaction of 2-Bromo pentane to form pent-2-ene is :

The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na, is responsible for the transmission of nerve signals.

Identify the incorrect statement.

For the reaction, \(2Cl(g) → Cl_2 (g)\), the correct option is :

Measuring Zeta potential is useful in determiningwhich property of colloidal solution ?

Match the following and identify the correct option

A	\(CO(g)+H_2 (g)\)	I	\(Mg(HCO_3 )_2+ Ca(HCO_3 )_2\)
B	Temporary hardness of water	II	An electron deficient hydride
C	\(B_2H_6\)	III	Synthesis gas
D	\(H_2O_2\)	IV	Non-planar structure