List of top Questions asked in NEET (UG)

Reaction of carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is :
A protoplast is a cell
What causes a green plant exposed to the light, on only one side, to bend towards the source of light as it grows?
Which of the following are the important floral rewards to the animal pollinators ?
Axile placentation is present in
Metagenesis refers to
Which of the following enhances or induces fusion of protoplasts?
Two particles A and B, move with constant velocities $\vec{v_1}$ and $\vec{v_2}$. At the initial moment their position vectors are $\vec{r_1}$, and $\vec{r_2}$ respectively. The condition for particles A and B for their collision is
The boiling point of 0.2 mol kg$^{-1}$ solution of X in water is greater than equimolal solution of Y in water. Which one of the following statements is true in this case ?
The correct bond order in the following species is :
The electric field in a certain region is acting radially outward and is given by E = Ar. A charge contained in a sphere of radius 'a' centred at the origin of the field, will be given by
The angular momentum of electron in 'd' orbtial is equal to
Solubility of the alkaline earth?? metal sulphates in water decreases in the sequence :
The Young's modulus of steel is twice that of brass. Two wires of same length and of same area of cross section, one of steel and another of brass are suspended from the same roof. If we want the lower ends of the wires to be at the same level, then the weights added to the steel and brass wires must be in the ratio of
The reaction is called :
A technique of micropropagation is
Grafted kidney may be rejected in a patient due to
What is the mass of the precipitate formed when 50 mL of 16.9% solution of $AgNO_3$ is mixed with 50 mL of 5.8% $NaCl$ solution ? (Ag = 107.8, N = 14, O = 16, Na = 23, Cl =35.5)
Which of the following joints would allow no movements?
In an astronomical telescope in normal adjustment a straight black line of length $L$ is drawn on inside part of objective lens. The eye-piece forms a real image of this line. The length of this image is $I$ . The magnification of the telescope is
DNA is not present in
A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The knives are at a distance d from each other. The centre of mass of the rod is at distance a from A. The normal reaction on A is
Flowers are unisexual in
is the floral formula of
Which one of the following statements is not true?