List of top Questions asked in KCET

In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to :
H - polaroid is prepared by _____
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 ..........
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 .........
Stainless steel does not rust because :
A man, standing between two cliffs, claps his hands and starts hearing a series of echoes at intervals of one second. If the speed of sound in air is $340 \,ms ^{-1}$, the distance between the cliffs is ..........
Curie-Weiss law is obeyed by iron at a temperature ...........
The Law of Limiting Factors was proposed by ______
When light is incident on a diffraction grating the zero order principal maximum will be _____
Rainbow is formed due to.............
The set of all integral multiples of $5$ is a subgroup of
Select the $pK_a$ value of the strongest acid from the following :
When a body is earth connected, electrons from the earth flow into the body. This means the body is .............
The emitter-base junction of a transistor is ............. biased while the collector-base junction is ............. biased.
The coal tar fraction which contains phenol is :
Which of the following animals is protected in Kaziranga Sanctuary in Assam
Which of the following is not an amphoteric substance ?
Temperature coefficient of a reaction is 2. When temperature is increased from 30$^\circ$C to 100$^\circ$C, rate of the reaction increases by
The concentration of electrolyte required to coagulate a given amount of $As_2S_3$ sol. is minimum in the case of :
13 resistors each of resistance $R\,\Omega$ are connected in the circuit as shown in figure. The effective resistance between A and B is
The first case of IVF-ET technique success, was reported by :