List of top Questions asked in KCET

A stretched wire of a material whose Young's modulus Y = 2 × 10¹¹ Nm^-2 has Poisson's ratio of 0.25. Its lateral strain ε_l = 10^-3. The elastic energy density of the wire is

When a planet revolves around the Sun, in general, for the planet

A positively charged glass rod is brought near uncharged metal sphere, which is mounted on an insulated stand. If the glass rod is removed, the net charge on the metal sphere is

A closed water tank has cross-sectional area A. It has small hole at a depth of h from the free surface of water. The radius of the hole is r so that r << \(\sqrt{\frac{A}{\pi}}\). If P_o is the pressure inside the tank above water level, and P_a is the atmospheric pressure, the rate of flow of the water coming out of the hole is [ ρ is the density of water]

Seven identical discs are arranged in a planar pattern, so as to touch each other as shown in the figure. Each disc has mass ‘m’ radius R. What is the moment of inertia of system of six discs about an axis passing through the centre of central disc and normal to plane of all discs?

A body is moving along a straight line with initial velocity v₀. Its acceleration a is constant. After t seconds, its velocity becomes v. The average velociy of the body over the given time interval is

The true length of a wire is 3.678 cm. When the length of this wire is measured using instrument A, the length of the wire is 3.5 cm. When the length of the wire is measured using instrument B, it is found to have length 3.38 cm. Then the

The moment of inertia of a rigid body about an axis

A radioactive sample has half-life of 3 years. The time required for the activity of the sample to reduce to \(\frac{1}{5}\)th of its initial value is about

The truth table for the given circuit is

MTPs are considered relatively safe during

An example for hormone releasing IUD is

Which of the following is abbreviated as ZIFT ?

From the following table, select the option that correctly characterizes various phases of menstrual cycle :

	Menstruation phase	Follicular phase	Luteal phase
(1)	Regeneration of endometrium	High level of progesterone	Developing corpus luteum
(2)	Matured follicle	Regression of corpus luteum	Ovulation
(3)	Menses	Developing corpus luteum	Follicle maturation
(4)	Menses	L.H. Surge	Regeneration of endometrium

Find the correct statement.
(1) Generally a gene regulates a trait, but sometimes one gene has effect on multiple traits.
(2) The trait AB-blood group of man is regulated by one dominant allele and another recessive allele. Hence it is co-dominant.

'Gene-mapping' technology was developed by

Which of the following statements is correct?

The male sex accessory ducts include,

Consider the following statements with reference to female reproductive system :
Statement 1 : The presence or absence of hymen is not a reliable indicator of virginity or sexual experience.
Statement 2 : The sex of the foetus is determined by the father not by the mother.
Choose the correct option from the following :

In the female reproductive system, a tiny finger like structure which lies at he upper junction of the two labia minora above the urethral opening is called

Which pair of the following cells in the embryo sac are destined to change their ploidy after fertilization ?

With reference to human sperm, match the List-I with List-II.

List-I		List-II
1.	Head	p.	Filled with enzyme
2.	Acrosome	q.	Contains mitochondria
3.	Middle piece	r.	Sperm motility
4.	Tail	s.	Contains haploid nucleus

Choose the correct option from the following :

Bamboo species flowers

The vibrations from the ear drum are transmitted through ear ossicles to

Atrial Natriuretic Factor (ANF) acts as a