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

Which of the following is put into Anaerobic sludge digester for further sewage treatment?

Identify the basic amino acid from the following.

Match the following columns and select the correct option.

LIST I Mineral		LIST II  States
A	Placenta	I	Androgens
B	Zona pellucida	II	Human Chorionic Gonadotropin (hCG)
C	Bulbo-urethral	III	Layer of the ovum glands
D	Leydig cells	IV	Lubrication of the Penis

Select the correct statement.

The enzyme enterokinase helps in conversion of:

Which of the following would help in prevention of diuresis ?

In gel electrophoresis, separated DNA fragments can be visualized with the help of :

Snow-blindness in Antarctic region is due to :

Match the following columns and select the correct option.

Column I		Column II
A	Clostridium	I	Cyclosporin-A
B	Trichoderma	II	Butyric Acid
C	Monascus	III	Butyric Acid
D	Aspergillus niger	IV	Blood cholesterol lowering agent

Select the option including all sexually transmitted diseases.

Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their :

Identify the correct statement with reference to human digestive system.

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

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 of the following is not correct about carbonmonoxide ?

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

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.