List of top Questions asked in JKCET- 2015

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

Conditions of a karyotype $2n \pm 1$ and $2n\pm 2$ are called

Evolution of different species in a given area starting from a point and spreading to other geographical areas is 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