List of practice Questions

Option : No Option Orientation : Vertical If the angle between the tangents drawn to the circle $x^2 + y^2 -12 x - 16y = 0$ at the points w here the line $5y = 5x + k$ cut the circle is $60^{\circ}$ , then the value of $k$ is
One milligram of matter converted into energy will give
On doping Ge metal with a little of In or Ga, we get
Omega-3 fatty acid is present in
Monascus purpureus is a yeast used commercially in the production of
Malignant malaria is caused by the which of the following species of Plasmodium ?
For a complex, $MX_3Y_3$ possessing trigonal prismatic geometry, the number of possible isomer is
The breeding technique that is useful to expose harmful recessive genes is
A stream of non viscous liquid emerges from a very short outlet tube at the base of a large open tank, in which the depth of liquid is h. The tube is at a fixed angle $\theta$ to the ground as shown. The maximum height of the stream y is
A non-conducting ring carries linear charge density $\lambda$. It is rotating with angular speed $\omega$ about its axis. The magnetic field at its centre is
The activity of a radioactive element decreases in 10 years to 1/5 of initial activity $A_0$ . After further next 10 years its activity will be
Light has wavelength $600\, nm$ in free space. It passes into glass, which has an index of refraction of $1.50,$ What is the frequency of the light inside the glass ?
The rms speed of hydrogen molecule at a certain temperature is $v$. If the temperature is doubled and hydrogen gas dissociates into atomic hydrogen, the rms speed will become
If $A = \begin{bmatrix}k/2&0&0\\ 0&1/3&0\\ 0&0&m/4\end{bmatrix} $ and $A^{-1} = \begin{bmatrix}1/2&0&0\\ 0&1/3&0\\ 0&0&1/4\end{bmatrix}$ then $ k + l + m = $
A random variable X has the following probability distribution The variance of this random variable is
For the matrix $A = \begin{pmatrix}3&-3&4\\ 2&-3&4\\ 0&-1&1\end{pmatrix}, A^{-1} = $
In electromagnetic theory, the electric and magnetic phenomena are related to each other. Therefore, the dimensions of electric and magnetic quantities must also be related to each other. In the questions below, $[E]$ and [ The relation between [
Above diagram represents
Brunner's gland is located in
Heterotrichous thallus is shown by which organism
Which of the following is/are free living nitrogen fixers?
Which of the following is correct for the given floral diagrams?
Which of the following is correct regarding bond angles? (i) $SO_2 < H_2O$ $\quad\quad$ (ii) $H_2S < SO_2$ (iii) $SO_2 < H_2S \quad\quad (iv) SbH_3 < NO_2^+$
Which of the following is not a bioassay for cytokinins?
Which of the following is not a characteristic of meiosis?