List of top Questions asked in KCET

Select the correct statement from the following :

Which of these is NOT a method to make host cells ' competent ' to take up DNA ?

PCR is used for

Match Column-I with Column-II. Select the option with correct combination.

Column-I		Column-II
1.	Standing state	p.	Mass of living material at a given time.
2.	Pioneer species	q.	Amount of nutrients in the soil at a given time.
3.	Detritivores	r.	Species that invade a bare area.
4.	Standing crop	s.	Breakdown detritus into smaller particles.

Generally, bears avoid winter by undergoing

The toxic substance 'haemozoin' responsible for high fever and chill, is released in which of the following dieases?

With respect to Inbreeding, which among the following is not true ?

The variety of Okra, Pusa Sawani is resistant to which of the following insects pests?

Identify the symptoms of pneumonia.

Four students were assigned a science project to find out the pollution levels of lakes in their surrounding. After analysing the quality of water samples, the BOD values were found as follows :
Which among the following water samples is highly polluted ?

Roquefort cheese is ripened by

In MoET technique fertilized eggs are transferred into surrogate mother in which of the following stage ?

Identify from the following a pair of better yielding semi dwarf varieties of rice developed in India.

Eukaryotic genes are monocistronic but they are split genes because

Histone proteins are positively charged because they are rich in basic amino acid residues

In one of the hybridisation experiments, a homozygous dominant parent and a homozygous recessive parent are crossed for a trait. (Plant shows Mendelian inheritance pattern)

In male heterogametic type of sex determination

Which of these is NOT an example for Adaptive radiation?

The Lac-Operon model was elucidated by

The equation of the plane through the points (2, 1, 0), (3, 2, -2) and (3, 1, 7) is

Let A = {x, y, z, u} and B = {a, b}. A function f : A → B is selected randomly. The probability that the function is an onto function is

If \(\sin^{-1}(\frac{2a}{1+a^2})+\cos^{-1}(\frac{1-a^2}{1+a^2})=\tan^{-1}(\frac{2x}{1-x^2})\) where a, x ∈ (0, 1) then the value of x is

Which of the following is an empty set ?

Ten chairs are numbered as 1 to 10. Three women and two men wish to occupy one chair each. First the women choose the chairs marked 1 to 6, then the men choose the chairs from the remaining. The number of possible ways is

Given that a,b and x are real numbers and a< b, x < 0 then