List of top Questions asked in NEET (UG)

In the circuit shown in the figure, the input voltage $V_i$ is $20 \, V , V_{BE} = 0 $ and $V_{CE} = 0$ .The values of $I_B , I_C$ and $\beta$ are given by
In a $p-n$ junction diode, change in temperature due to heating
Which of the following gastric cells indirectly help in erythropoiesis ?
Which of the following terms describe human dentition ?
Stomata in grass leaf are
If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which of the following is not correct ?
A solid sphere is in rolling motion. In rolling motion a body possesses translational kinetic energy $(K_t)$ as well as rotational kinetic energy , $(K_r)$ simultaneously. The ratio $K_t : (K_t + K_r)$ for the sphere is
A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere is increased keeping its mass same. Which of the following physical quantities would remain constant for the sphere ?
A body initially at rest and sliding along a frictionless track from a height $h$ (as shown in the figure) just completes a vertical circle of diameter $AB \,=\, D$. The height h is equal to
A dioecious flowering plant prevents both:
Match the following sexually transmitted diseases (Column - I) with their causative agent (Column - II) and select the correct option.
Column - IColumn- II
(a)Gonorrhea(i)HIV
(b)Syphilis(ii)Neisseria
(c)Genital Warts(iii)Treponema
(d)AIDS(iv)Human Papilloma virus
Which of the following facilitates opening of stomatal aperture?
Functional megaspore in an angiosperm develops into
Alexander Von Humbolt described for the first time
Which of the following components provides sticky character to the bacterial cell?
Two blocks A and B of masses 3m and m respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring as shown in figure. The magnitudes of acceleration of A and B immediately after the string is cut, are respectively
wo blocks A and B of masses 3m and m respectively are connected by a massless
Two Polaroids P1 and P2 are placed with their axis perpendicular to each other. Unpolarised light l0 is incident on P1. A third polaroid P3 is kept in between P1 and P2 such that its axis makes an angle 45º with that of P1. The intensity of transmitted light through P2 is
The two nearest harmonics of a tube closed at one end and open at other end are 220 Hz and 260 Hz. What is the fundamental frequency of the system?
Which of the following are found in extreme saline conditions?
Which of the following is made up of dead cells?
The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as
Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?
Which one of the following is related to Ex-situ conservation of threatened animals and plants?
Capacitation occurs in
Out of 'X' pairs of ribs in humans only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation :