List of top Questions asked in NEET (UG)

Select the wrong statement.
Pick up the wrong statement.
A direct current of $5\, A$ is superposed on an alternating current $I = 10 \,\sin \omega t$ flowing through the wire. The effective value of the resulting current will be
The cylindrical tube of a spray pump has radius $R$, one end of which has $n$ fine holes, each of radius $r$. If the speed of the liquid in the tube is $V$, the speed of the ejection of the liquid through the holes is
A glass capillary tube of internal radius $r=0.25\, mm$ is immersed in water. The top end of the tube projected by $2\, cm$ above the surface of the water. At what angle does the liquid meet the tube? Surface tension of water $=0.7\, N / m$.
Cryopreservation of gametes of threatened species in viable and fertile condition can be referred to as
During ecological succession
Which of the following are most suitable indicators of SO2 pollution in the environment?
The crops engineered for glyphosate are resistant/ tolerant to
Chromatophores take part in
Cytochromes are found in
A major characteristic of monocot root is the presence of
The guts of cow and buffalo possess
A particle is executing SHM along a straight line. It velocities at distances $x_1$ and $x_2$ mean position are $V_1$ and $V_2$, respecilvely. Its time period is :
Sliding filament theory can be best explained as
Most animals are tree dwellers in a
The wings of a bird and the wings of an insect are
4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is 5.0 $JK^{-1} \, mol^{-1}$. If the speed of sound in this gas at NTP is 952 $ms^{-1}$, then the heat capacity at constant pressure is (Take gas constant R = 8.3 $JK^{-1} \, mol^{-1}$ )
$20.0 \,g$ of a magnesium carbonate sample decomposes on heating to give carbon dioxide and $8.0 \,g$ magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample ?
A gymnast is able to balance his body upside down even in the total darkness because of
Two identical thin plano-convex glass lenses (refractive index 1.5) each having radius of curvature of 20 cm are placed with their convex surfaces in contact at the centre. The intervening space is filled with oil of refractive index 1.7. The focal length of the combination is
Vertical distribution of different species occupying different levels in a biotic community is known as:
Two vessels separately contain two ideal gases $A$ and $B$ at the same temperature, the pressure of $A$ being twice that of $B$. Under such conditions, the density of $A$ is found to be $1.5\, times$ the density of $B$. The ratio of molecular weight of $A$ and $B$ is :
In which of the following, both pairs have correct combination?
A nucleus of uranium decays at rest into nuclei of thorium and helium. Then