List of top Questions asked in KCET

A transparent cube of $0.21\, m$ edge contains a small air bubble. Its apparent distance when viewed through one face of the cube is $0.10\, m$ and when viewed from the opposite face if $0.04\, m$. The actual distance of the bubble from the second face of the cube is
The electron drift speed is small and the charge of the electron is also small but still, we obtain large current in a conductor. This is due to
A gang capacitor is formed by interlocking a number of plates as shown in figure. The distance between the consecutive plates is $0.885\, cm$ and the overlapping area of the plates is $5 \,cm^2$. The capacity of the unit is
If $a | (b + c)$ and $a| (b-c)$ where $a,b,c \in \, N $ then
If the area of the parallelogram with \(\vec {a}\) and \(\vec {b}\) as two adjacent sides is \(15\, sq.\space units\),then the area of the parallelogram having \(3\vec {a}+2\vec {b}\) and \(\vec{a}+3\vec {b}\) as two adjacent sides in sq. unit is
The specific charge of a proton is $9.6 \times 10^7 \, C \, kg^{-1}$. The specific charge of an alpha particle will be :
A simple pendulum has a length $l$ and the mass of the bob is $m$. The bob is given a charge $q$ coulomb. The pendulum is suspended between the vertical plates of a charged capacitor. If $E$ is electric field strength between the plates, the time period of pendulum is given by
If $a > b > 0$, then the value of $Tan^{-1} \left(\frac{a}{b}\right)+Tan^{-1}\left(\frac {a+b}{a-b}\right) $
The remainder obtained when $(\lfloor 1)^2 + (\lfloor 2)^2 + (\lfloor 3)^2 + ... + (\lfloor 100)^2$ is divided by $10^2$ is ;
About 1000 ml of air is always known to remain inside human lungs. It is described as ______
Identify from the following, the only taxonomic category that has a real existence.
Cells obtained from an organism were homogenised and centrifuged. A test indicated that the cells contained glycogen. If you were asked to find out as quickly as possible whether the cells were from a plant or an animal, you would
A rectangular vessel when full of water, takes $10$ minutes to be emptied through an orifice in its bottom. How much time will it take to be emptied when half filled with water ?
An unpolarised beam of intensity $I_0$ is incident on a pair of nicols making an angle of $60^\circ$ with each other. The intensity of light emerging from the pair is
A solenoid $1.5\, m$ long and $0.4\, cm$ in diameter possesses $10$ turns per cm length. A current of $5\, A$ flows through it. The magnetic field at the axis inside the solenoid is
If $\sec \theta=m$ and $\tan \theta=n$ , then $\frac{1}{m}\left[(m+n)+\frac{1}{(m+n)}\right] $ is :
The major event that occurs during the anaphase of mitosis which brings about equal distribution of chromosomes is
The main function of lacteals in the villi of human small intestine is the absorption of________
Read the two statements A and B. Statement A : Diversity, observed in the entire geographical area, is called gamma diversity. Statement B : Biodiversity decreases from high altitude to low altitude. Identify the correct choice from those given
Column I lists some disorders associated with brain. Column II lists the causes for these disorders. Match the two columns and identify the correct option from those given Column I Column II A. Epilepsy p. Degeneration of neurons in the cerebral cortex. B. Alzheimer's disease Irregular electrical discharge in the neurons C Parkinson's disease r. Decreased production of acetyl- choline D. Huntington's chorea s. Degeneration of dopamine releasing neurons t. Formation of blood clots in the brain
Monoclonal antibodies are produced from hybird cells, called hybridomas. The cells employed to obtain these hybridoma cells, are
How many double circulations are normally completed by the human heart in one minute
In the operon system, the repressor protein can bind only with the
If the angles of a triangle are in the ratio $3 : 4 : 5$, then the sides are in the ratio
Which of the following birth control measures can be considered as the safest ?