List of top Questions asked in NEET (UG)

Identify the correct statement with regard to \(G_1\) phase (Gap 1)of interphase.
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 :
A capillary tube of radius r is immersed in waterand water rises in it to a height h. The mass of the water in the capillary is 5 g. Another capillary tube of radius 2r is immersed in water. The massof water that will rise in this tube is
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 :
The average thermal energy for a mono-atomic gasis : (kBis Boltzmann constant and T, absolute temperature)
Match the following diseases with the causative organism and select the correct option
Column IColumn II
aTyphoidiWuchereria
bPneumoniaiiPlasmodium
cFilariasisiiiSalmonella
dMalariaivHaemophilus
The Brewsters angle $i_b$ for an interface should be:
Goblet cells of alimentary canal are modified from
Bilaterally symmetrical and acoelomate animals are exemplified by :
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.
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.
Cuboidal epithelium with brush border of microvilli is found in:
Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to
Dissolution of the synaptonemal complex occurs during:
Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage ($G_0$). This process occurs at the end of :
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits ?
Experimental verification of the chromosomal theory of inheritance was done by:
Flippers of Penguins and Dolphins are examples of:
From his experiments. S.L.Miller produced amino acids by mixing the following in a closed flask
The total energy of an electron in the $n^{th}$ stationary orbit of the hydrogen atom can be obtained by
Two parallel infinite line charges with linear charge densities $+\lambda \, C/m$ and $-\lambda \, C/m$ are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges ?
The accompanying diagram shows the changes that take place in the endometrium during a normal menstrual cycle. Identify the changes and select the correct option.
The relations amongst the three elements earth's magnetic field, namely horizontal component H, vertical component V and dip d are, (B$_E$ = total magnetic field)
Assuming that the gravitational potential energy of an object at infinity is zero, the change in potential energy (final - initial) of an object of mass m, when taken to a height h from the surface of earth (of radius R), is given by,