List of top Questions asked in NEET (UG)

Male and female gametophytes are independent and free-living in

Kranz anatomy is one of the characteristics of the leaves of

The potential difference that must be applied to stop the fastest photo electrons emitted by a nickel surface, having work function $5.01\, eV$, when ultraviolet light of $200 \,nm$ falls on it, must be

The device that can act as a complete electronic circuit is

The pressure exerted by $6.0 \, g$ of methane gas in a $0.03\, m^3$ vessel at $129^{\circ}C$ is (Atomic masses : $C = 12.01, H = 1.01 $ and $R = 8.314 \, JK^{-1} mol^{-1}$)

Standard entropies of $X_2 ,Y_2$ and $XY_3$ are $60 , 40 $ and $ 50 \, JK^{-1} mol^{-1}$ respectively. For the reaction $ { \frac{1}{2} X_2 + \frac{3}{2}Y_2 <=> XY_3, \Delta H = -30 kJ}$ to be at equilibrium, the temperature should be

Three moles of an ideal gas expanded spontaneously into vaccum. The work done will be

The reaction of toluene with $Cl_2$ in the presence of $FeCl_3$ gives 'X' and reaction in presence of light gives 'Y' Thus, 'X' and 'Y' are

Given are cyclohexanol (I), acetic acid (II), 2, 4, 6-trinitrophenol (III) and phenol (IV). In these, the order of decreasing acidic character will be

A square current carrying loop is suspended in a uniform magnetic field acting in the plane of the loop. If the force on one arm of the loop is $\overrightarrow{F}$ .the net force on the remaining three arms of the loop is

Which one of the following is not used in organic farming ?

In unilocular ovary with a single ovule the placentation is

Transport of food material in higher plants takes place through

Keel is characteristic of the flowers of

Study the cycle shown below and select the . option which gives correct words for all the four blank A, B, C and D.

Consider the following four statements (i), (ii), (iii) and (iv) and select the right option for two correct statements. Statements : (i) In vexillary aestivation, the large posterior petal is called-standard, two lateral ones are wings and two small anterior petals are termed keel (ii) The floral formula for liliaceae is $\bigoplus ⚥ P_{3 + 3} \, A_{3+3} + \underline{G}_3$ (iii) In pea flower the stamens are monadelphous (iv) The floral formula for solanaceae is $\bigoplus ⚥ K_{(3)} C_{(3)} A_{(4)} + \underline{G}_2$ The correct statements are

Algae have cell wall made up of

Apomictic embryos in Citrus arise from

The correct floral formula of soyabean is

A beam of cathode rays is subjected to crossed electric $(E)$ and magnetic fields $(B)$. The fields are adjusted such that the beam is not deflected. The specific charge of the cathode rays is given by (Where $V$ is the potential difference between cathode and anode)

In which one of the following organisms its excretory organs are correctly stated?

Zener diode is used for

The compound A on heating gives a colourless gas and a residue that is dissolved in water to obtain B. Excess of ${CO_2}$ is bubbled through aqueous solution of B, C is formed which is recovered in the solid form. Solid C on gentle heating gives back A. The compound A is -

A square surface of side $L$ meter in the plane of the paper is placed in a uniform electric field $E(volt/m)$ acting along the same plane at an angle $q$ with the horizontal side of the square as shown in figure. The electric flux linked to the surface, in units of volt $m$ is

A person suffering from a disease caused by Plasmodium, experiences recurring chills and fever at the time when