List of top Questions asked in NEET (UG)

Dry indehiscent single-seeded fruits formed from bicarpellary syncarpous inferior ovary is
In humans blood passes from post caval to the diastolic right atrium of heart due to
A point performs simple harmonic oscillation of period T and the equation of motion is given by $x = a \sin(\omega t + \pi/6).$ After the elapse of what fraction of the time period the velocity of the point will be equal to half of its maximum velocity?
Two periodic waves of intensities $I_1$ and $I_2$ pass through a region at the same time in the same direction. The sum of the maximum and minimum intensities is
Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the $ H^+ $ ion concentration in the mixture?
The slow rate of decomposition of fallen logs in nature is due to
Unisexuality of flowers prevents
Which one of the following is not observed in biodiversity hotspots ?
Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in
Endosperm is consumed by developing embryo in the seed of ....
Two radioactive materials $X_1$, and $X_2$ have decay constants 5$\lambda$ and $\lambda$ respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of X$_1$ to that X$_2$ will be 1/e after a time
A particle of mass 1 mg has the same wavelength as an electron moving with a velocity of $3 \times 10^6 \, ms^{-1}. $ The velocity of the particle is (mass of electron=$9.1 \times 10^{-31} \, kg) $
Two simple harmonic motions of angular frequency 100 and 1000 rad $s^1$ have the same displacement amplitude. The ratio of their maximum acceleration is
Which one of the following is the correct difference between rod cells and cone cells of our retina ?
Which one of the-following proved effective for biological control of nematodal diseases in plants ?
A transgenic food crop which may help in solving the problem of night blindness in developing countries is
Bacterial leaf blight of rice is caused by a species
Darwin's finches are a good example of
Cry endotoxins obtained from Bacillus thuringiensis are effective against
Which one of the following items gives its correct total number?
How many moles of lead (II) chloride will be formed from a reaction between 6.5 g of PbO and 3.2 g of HCl?
Base strength of (i) $h_3C \, {C} ^{\ominus} H_2$ (ii) $H_2 C= {C}^{\ominus} H$ (iii) $H-C \equiv C^{\ominus} $ is in the order of
A thin conducting ring of radius R is given a charge + The electric field at the center O of the ring due to the charge on the part AKB of the ring is E. The electric field at the center due to the charge on the part ACDB of the ring is
A particle of mass m is projected with velocity v making an angle of $45^\circ$ with the horizontal. When the particle lands on the level ground the magnitude of the change in its momentum will be
A $p-n$ photodiode is made of a material with a band gap of $2\, eV$. The minimum frequency of the radiation that can be absorbed by the material is nearly (he = 1240 eV nm)