List of top Questions asked in NEET (UG)

During seed germination its stored food is mobilized by

Which of the following Bt crops is being grown in India by the farmers?

A good producer of citric acid is

The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of

Which of the following represent maximum number of species among global biodiversity ?

Match the name of the animal (Column I) with one characteristics (Column II) and the phylum/class (column III) to which it belongs.

	Column I	Column II	Column III
(1)	Petromyzon	Ectoparasite	Cyclostomata
(2)	Ichthyophis	Terrestrial	Reptilia
(3)	Limulus	Body covered by chitinous exoskeleton	Pisces
(4)	Adamsia	Radially symmetrical	Porifera

Which one of the following organelle in the figure correctly matches with its function ?

Macro molecule chitin is

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II

	Column I	Column II
(1)	Glycine, glucose	Small intestine, active absorption
(2)	Fructose, Na+	Small intestine passive absorption
(3)	Glycerol, fatty acids	Duodenum, move as chilomicrons
(4)	Cholesterol, maltose	Large intestine, active absorption

Figure shows human urinary system with structures labelled A to D. Select option which correctly identifies them and gives their characteristics and/ or functions

The characteristics and an example of a synovial joint in humans is

	Characteristics	Examples
(1)	Fluid cartilage between two bones, limited movements	Knee joints
(2)	Fluid filled between two joints, provides cushion	Skull bones
(3)	Fluid filled synovial cavity between two bones	Joint between atlas and axis
(4)	Lymph filled between two bones, limited movement	Gliding joint between carpals

During sewage treatment, biogases are produced which include

A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is

A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is

A stone falls freely under gravity. It covers distances $h_1, \, h_2 $ and $h_3$ in the first 5 seconds, the next 5 seconds and the next 5 seconds respectively. The relation between $h_1 , \,h_2 $ and $h_3$ is

Three blocks with masses m, 2m and 3m are connected by strings, as shown in the figure. After an upward force F is applied on block m, the masses move upward at constant speed v. What is the net force on the block of mass 2 m? (g is the acceleration due to gravity)

An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass 1 kg moves with a speed of 12 $ms^{-1}$ and the second part of mass 2 kg moves with 8 $ms^{-1}$ speed. If the third part flies off with 4 $ms^{-1}$ speed, then its mass is

A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a massless string tied to point Q as shown in figure. When string is cut, the initial angular acceleration of the rod is

Infinite number of bodies, each of mass 2 kg are situated on x-axis at distance 1 m, 2 m, 4 m, 8 m respectively, from the origin. The resulting gravitational potential due to this system at the origin will be

The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?

The wettability of a surface by a liquid depends primarily on

The molar specific heats of an ideal gas at constant pressure and volume are denoted by $C_p$ and $C_V$ respectively. If $ γ = \frac{C_P}{C_v}$ and R is the universal gas constant, then $C_V$ is equal to

A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turn to white hot. The correct explanation for the above observation is possible by using

In the given (V-T) diagram, what is the relation between pressures $P_1$ and $P_2$ ?

The amount of heat energy required to raise the temperature of 1 g of Helium at NTP, from $T_1K$ to $T_2K$ is