List of top Questions asked in CUET (UG)

Match the following mammals in List-I with their correct characteristics in List-II.

List - I	List - II
(P) Platypus	(1) Marsupial mammal
(Q) Kangaroo	(2) Placental mammal
(R) Blue whale	(3) Egg laying mammal
(S) Koala	(4) Pouch bearing mammal

Choose the correct option.

Read the following statements regarding Bt cotton and choose the correct option.
• [(P)] Bt toxin is produced by Bacillus thuringiensis.
• [(Q)] The inactive protoxin gets activated in the acidic gut of insects.
• [(R)] Cry proteins create pores in the epithelial cells of insect midgut.
• [(S)] Different cry genes control different groups of insects.

Which hormone is secreted by the corpus luteum during pregnancy?

Read the following statements carefully regarding scientists and their contributions in genetics.
• [(P)] Mendel proposed the law of segregation.
• [(Q)] Sutton and Boveri proposed chromosomal theory of inheritance.
• [(R)] T.H. Morgan experimentally proved linkage in Drosophila.
• [(S)] Hershey and Chase proved that proteins are genetic material. Choose the correct option.

A bioreactor working for industrial production of antibiotics must maintain maximum microbial growth and product formation. Match the following components with their correct functions.

Component	Function
(P) Sparger	(1) Uniform oxygen distribution
(Q) Agitator	(2) Uniform mixing of nutrients
(R) Cooling Jacket	(3) Removal of excess metabolic heat
(S) Foam Breaker	(4) Prevention of foam accumulation

Choose the correct option.

Match the following mammals with their correct category and geographical distribution.

Column - I	Column - II
(P) Kangaroo	(1) Monotreme found in Australia
(Q) Platypus	(2) Marsupial found mainly in Australia
(R) Whale	(3) Placental mammal
(S) Echidna	(4) Egg laying mammal

Choose the correct option.

The correct evolutionary sequence in the evolution of modern humans is:

Which scientist experimentally demonstrated that DNA replication is semiconservative in nature using $^ {15}N$ and $^ {14}N$ isotopes?

In the recombinant DNA technology involving plasmid pBR322, insertion of foreign DNA at the PstI restriction site results in the loss of resistance against:

Two infinite plane parallel sheets, separated by a distance $d$ have equal and opposite uniform charge densities $\sigma$. Electric field at a point between the sheets is

Which of the following statements is not true about electric field lines?

If the charge on an object is doubled then electric field becomes

Under the action of a given coulombic force the acceleration of an electron is 2.5 $\times$ 10²² m s⁻². Then the magnitude of the acceleration of a proton under the action of same force is nearly

The nucleus of helium atom contains two protons that are separated by a distance 3.0 $\times$ 10⁻¹⁵ m. The magnitude of the electrostatic force that each proton exerts on the other is

A steady current $I$ flow through a long straight wire of radius ‘$a$’. The current is uniformly distributed across its cross section. The ratio of the magnetic fields due to the wire at distance $\frac{a}{4}$ and $3a$ respectively from the axis of the wire is

Three long, straight parallel wires, carrying current, are arranged as shown in figure. The force experienced by a 25 cm length of wire $C$ is