List of top Questions asked in KCET- 2004

Pick out the one which does not belong to the family :

The term species was coined by........

Match the theories given in column I with the names of scientists listed in column II. Choose the answer which gives the correct combination of the alphabets.

The first antibiotic was discovered by ..........

A spherical drop of capacitance $1 \mu \,F$ is broken into eight drops of equal radius. Then, the capacitance of each small drop is ........

A thin plano-convex lens acts like a concave mirror of focal length $0.2\, m$ when silvered from its plane surface. The refractive index of the material of the lens is $1.5.$ The radius of curvature of the convex surface of the lens will be ............

An unknown resistance $R_{1}$ is connected in series with a resistance of $10 \Omega .$ This combination is connected to one gap of a metre bridge while a resistance $R_{2}$ is connected in the other gap. The balance point is at $50\, cm$. Now, when the $10 \Omega$ resistance is removed the balance point shifts to $40 cm$. The value of $R_{1}$ is (in ohm)

Three long straight wires $A, B$ and $C$ are carrying currents as shown in figure. Then the resultant force on $B$ is directed .............

Largest gametophyte is found in________

Match the names of diseases listed under column I with the meaning given under column II; choose the answer which gives the correct combination of the alphabets of the two columns.

If $Sin^{-1} \frac {x}{5}+Cosec^{-1} \frac {5}{4}=\frac {\pi}{2}$ then $x=$

Identify the gas which is readily adsorbed by activated charcoal

In the manufacture of ammonia by the Haber's process, ${N_{2(g)} +3H_{2(g)} <=> 2NH_{3(g)} + 92.3 kJ} $, which of the following conditions is unfavourable ?

Two equal forces ($P$ each) act at a point inclined to each other at an angle of $120^\circ$. The magnitude of their resultant is _____

SI unit of permittivity is ...........

An uncharged sphere of metal is placed inside a charged parallel plate capacitor. The lines of force will look like .........

In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to :

Aluminium displaces hydrogen from dilute HCl whereas silver does not. The E.M.F. of a cell prepared by combining $Al /Al^{+3}$ and $Ag/Ag^{+}$ is $2.46\, V.$ The reduction potential of silver electrode is $+ 0.80\, V$. The reduction potential of aluminium electrode is :

Motor cells are found in______

A thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out. The frame is completely covered with the film. When the portion $A$ is punctured with a pin, the thread ..........

H - polaroid is prepared by _____

The loudness and pitch of a sound note depends on .........

A beam of light of wavelength $600\, nm$ from a distant source falls on a single slit $1\, mm$ wide and the resulting diffraction pattern is observed on a screen $2\, m$ away. The distance between the first dark fringes on either side of the central bright fringe is

When $50\, cm ^{3}$ of $0.2\, N$ $H_{2} SO _{4}$ is mixed with $50 cm ^{3}$ of $1 N\, KOH$, the heat liberated is :

The refractive index of a particular material is $1.67$ for blue light, $1.65$ for yellow light and $1.63$ for red light. The dispersive power of the material is .........