List of top Questions asked in KCET

In an oscillating LC circuit, L = 3.00 mH and C=2.70µF. At t = 0 the charge on the capacitor is zero and the current is 2.00A. The maximum charge that will appear on the capacitor will be :

Match Column I with Column II and find the correct answer :

Column I		Column II
1.	Aneuploidy	p.	Increase in whole set of chromosomes
2.	Monoploidy	q.	Loss or gain of a chromosome
3.	Polyploidy	r.	Two sets of chromosomes
4.	Diploidy	s.	A single set of chromosomes

The method of directly injecting a sperm into ovum is called

The physical quantity which is measure in the unit of wb A^-1 is

Select the incorrect statement about contraceptives.

Under the influence of oxytocin which layer of the uterus exhibits strong contractions during parturition ?

The current following through an inductance coil of self inductance 6 mH at different time instants is as shown. The emf induced between t = 20s and t = 40s is nearly

Select the correct path of flow of milk during breast feeding.

Which cell of the female gameophyte is involved in the formation of primary endosperm nucleus (PEN) after fertilization ?

Which of the following aquatic plant does not show pollination by water ?

Which of the field pattern given below is valid for electric field as well as for magnetic field ?

Identify the correct statement.

Consider the following statements & choose the correct answer from the given options.
Statement 1: Innermost layer of microsporangium is tapetum.
Statement 2: Cells of tapetum possess dense cytoplasm more than one nucleus and nourishes developing pollen grains.

Earth’s magnetic field always has a horizontal component except at

A tightly wound long solenoid has ‘n’ turns per unit length, a radius ‘r’ and carries a current I. A particle having charge ‘q’ and mass ‘m’ is projected from a point on the axis in a direction perpendicular to the axis. The maximum speed of the particle for which the particle does not strike the solenoid is

A toroid with thick windings of N turns has inner and outer radii R₁ and R₂ respectively. If it carries certain steady current I, the variation of the magnetic field due to the toroid with radial distance is correctly graphed in

In Bryophytes & Pteridophytes the number of male gametes produced is several thousand times the numbe of female gametes produced.
Reason : Large number of male gametes fail to reach the female gametes during transport.

How many microsporangia are located at the corners of a typical bilobed anther of angiosperm ?

Two parallel wires in free space are 10 cm apart and each carries a current of 10A in the same direction. The force exerted by one wire on the other [per unit length] is

A strong magnetic field is applied on a stationary electron. Then the electron

Consider an electrical conductor connected across a potential difference V. Let Δq be a small charge moving through it in time Δt. If I is the electric current through it,
(I) the kinetic energy of the charge increases by IVΔt.
(II) the electric potential energy of the charge decreases by IVΔt.
(III) the thermal energy of the conductor increases by IVΔt.
Then the correct statement/s is / are

A copper wire of length 1 m and uniform cross sectional area 5 × 10^-7 m² carries a current of 1 A. Assuming that there are 8 × 10²⁸ free electrons per m³ in copper, how long will an electron take to drift from one end of the wire to the other?

In the given arrangement of experiment on metre bridge, if AD corresponding to null deflection of the galvanometer is X, what would be its value if the radius of the wire AB is doubled?