List of top Questions asked in JKCET

The basic functional unit of human kidney is
In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrikled seed (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the $F_{2}$ generation of the cross R R Y Y- rryy?
In a lake phytoplankton grow in abundance in
Examples of secondary air pollutants is /are
During meiosis $ -I,$ the number of chromosomes is
DNA replication takes place during
Consider a ray of light travelling from a denser to a rarer medium. If it is incident at the critical angle then
Consider a bi-convex lens and a plano-convex lens, with radii of curvature of all the curved surfaces being same. If $f$ is the focal length of bi-convex lens then, the focal length of the plano-convex lens is
Concentration of the urine is controlled by
Evolution of different species in a given area starting from a point and spreading to other geographical areas is called
Conditions of a karyotype $2n \pm 1$ and $2n\pm 2$ are called
The Leydig's cells as found in the human body are the secretory source of
The part of Fallopian tube closest to the ovary is
As secondary growth proceeds, in a dicot stem, the thickness of
Which one of the following statements is false in respect of viability of mammalian sperm?
The IUPAC name of the coordination compound $\left[ Co \left( H _{2} O \right)_{2}\left( NH _{3}\right)_{4}\right] Cl _{3}$ is
In a transformer the number of primary turns is four times that of the secondary turns. Its primary is connected to an $AC$ source of voltage $V$. Then,
Which of the following is NOT an electromagnetic wave?
A parallel narrow-beam of light is falling normally on a glass sphere. It will come to a focus
The shortest distance between the lines $ \frac{x}{-1}=\frac{y}{1}=\frac{z}{1} $ and $ \frac{x-3}{0}=\frac{y+3}{1}=\frac{z-3}{-1} $ is
A bag contains $n + 1$ coins. It is known that one of these coins shows heads on both sides, whereas the other coins are fair. One coin is selected at random and tossed. If the probability that toss results in heads is $\frac{7}{12}$, then the value of $n$ is.
The mean and variance of a random variable $X$ having a binomial distribution are $4$ and $2$ respectively, find the value of $ P(X=1) $ .
If $ A=\left[ \begin{matrix} 2 & -1 \\ 1 & 2 \\ \end{matrix} \right], $ then $ {{A}^{2}}+2A-3I= $
Convert $ \frac {(i+1)}{(\cos \,(\frac{\pi}{4}) -i\,\sin (\frac {\pi} {4})} $ in polar form?
Discuss the continuity of the function $ f(x)=\sin 2x-1 $ at the point $ x=0, $ and $ x=\pi $ .