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

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.

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

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

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

Identify the incorrect match.

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

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) :

Which of the following amine will give the carbylamine test ?

Paper chromatography is an example of :

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

The body of the ovule is fused within the funicle at :

Identify the wrong statement with reference to immunity.

Match the following columns and select the correct option.

Match the following :

a	Inhibitor of catalytic activity	i	Ricin
b	Possess peptide bonds	ii	Malonate
c	Cell wall material in fungi	iii	Chitin
d	Secondary metabolite	iv	Collagen

Which of the following statements is correct?

If the distance between two consecutive base pairs is 0.34nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is $6.6 \times 10^9$ bp, then the length of the DNA is approximately:

The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are :

Match LIST I with LIST II

Column I		Column II
A	Eosinophils	I	Immune response
B	Basophils	II	Phagocytosis
C	Neutrophils	III	Release histaminase, destructive enzymes
D	Lymphocytes	IV	Release granules containing histamine

Select the correct events that occur during inspiration.
(a) Contraction of diaphragm 
(b) Contraction of external inter - costal muscles 
(c) Pulmonary volume decreases 
(d) Intra pulmonary pressure increases

The size of Pleuropneumonia - like Organism (PPLO) is :

Meiotic division of the secondary oocyte is complete

Which of the following statements about inclusion bodies is incorrect ?

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells ?

Which of the following statements is not correct?

Montreal protocol was signed in 1987 for control of: