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

The capacitance of a parallel plate capacitor with air as medium is $6\, \mu F$. With the introduction of a dielectric medium, the capacitance becomes 30 $\mu F.$ The permittivity of the medium is : $(\epsilon_0 = 8.85 \times 10^{-12} C^2N^{-1}m^{-2}$)

The color code of a resistance is given below : The values of resistance and tolerance, respectively, are :

The correct option for free expansion of an ideal gas under adiabatic condition is :

The minimum pressure required to compress $600 \,dm^{3}$ of a gas at $1$ bar to $150\, dm^{3}$ at $40^{\circ}C$ is

The mixture which shows positive deviation from Raoult’s law i s :

The number of angular nodes and radial nodes in $3s$ orbital are

The number of Faradays(F) required to produce 20g of calcium from molten $CaCl_2$ (Atomic mass of $CaCl_2$ g $mol^{-1}$) is :

The number of protons, neutrons and electrons in $^{175}_{71} Lu,$ respectively , are :

The number of substrate level phosphorylations in one turn of citric acid cycle is :

The ovary is half inferior in:

The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of

The plant parts which consist of two generations - one within the other: 
(a) Pollen grains inside the anther 
(b) Germinated pollen grain with two male gametes 
(c) Seed inside the fruit 
(d) Embryo sac inside the ovule

The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is

The proteolytic enzyme rennin is found in :

The ratio of contributions made by the electric field and magnetic field components to the intensity of an electromagnetic wave is : (c = speed of electromagnetic waves)

Two particles of mass $5\,kg$ and $10\,kg$ respectively are attached to the two ends of a rigid rod of length 1m with negligible mass. The centre of mass of the system from the $5\,kg$ particle is nearly at a distance of :

Urea reacts with water to form $A$ which will decompose to form $B$. $B$ when passed through $Cu^{2+}(aq)$, deep blue colour solution C is formed. What is the formula of C from the following

What is the change in oxidation number of carbon in the following reaction? 
\(CH_4(g) + 4Cl_2 (g) \rightarrow CCl_4(l) + 4HCl (g)\)

What is the role of gypsum, $CaSO_{4}.2H_{2}O$ in setting of cement ? Identify the correct option from the following :

When a uranium isotope $^{235}_92 U$ is bombarded with a neutron, it generates $^{89}_{36} Kr$, three neutrons and :

Which of the following alkane cannot be made in good yield by Wurtz reaction ?

Which of the following statements is incorrect about gymnosperms ?

Which of the following statements are true for the phylum-Chordata? 
(a) In Urochordata notochord extends from head to tail and it is present throughout their life. 
(b) In Vertebrate notochord is present during the embryonic period only. 
(c) Central nervous system is dorsal and hollow. 
(d) Chordata is divided into 3 subphyla ; Hemichordata, Tunicata and Cephalochordata.

Which of the following regions of the globe exhibits highest species diversity ?

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? 
(a) Darwin Finches of Galapagos islands. 
(b) Herbicide resistant weeds. 
(c) Drug resistant eukaryotes. 
(d) Man-created breeds of domesticated animals like dogs.