List of practice Questions

One horse power (1 HP) is equal to

On passing silent electric discharge through oxygen in an ozonizer, $5.5\, mol \%$ of oxygen is converted to ozone. How many moles of $O_2$ and $O_3$ result when $35$ moles of $O_2$ is originally present?

Number of visible lines in Balmer series.

Number of chromosomes present in secondary spermatocyte is:

Moles of N = 0.4 and moles of O = 0.1. Find $\left(P_{N_2}\right)$ partial pressure of N at atmospheric pressure

Mitochondria are absent in mature mammalian RBCs. What is the source of energy for these cells then?

Let $L_1$ and $L_2$ denote the lines $\vec{r}=\hat{i}+\lambda\left(-\hat{i}+2\hat{j}+2\hat{k}\right), \lambda\,\in\,\mathbb{R}$ and $\vec{r}=\mu\left(2\hat{i}-\hat{j}+2\hat{k}\right), \mu\,\in\,\mathbb{R}$ respectively. If $L_3$ is a line which is perpendicular to both $L_1$ and $L_2$ and cuts both of them, then which of the following options describe(s) $L_3$?

Length of fallopian tube in female is:

Larva of housefly is known as:

IUPAC name of Na[Co(NO)] is

In toroid magnetic field on axis will be radius = 0.5 cm, current = 1.5A, turns = 250, permeability = 700.

In the given diagram of a section of bone tissue, certain parts have been Indicated by alphabets. Select the answer in which these alphabets have been correctly matched with the parts which they indicate

Identify the tissue and its related function.

Identify which of the following fruits are false fruit?

Identify the given diagram of tissue performing secretion and absorption -

Given below are the life span of the organisms. Find the correct Match.

For the system given below, find time period of oscillation?

Let S be the set of all complex numbers z satisfying $\left|z-2+i\right|\ge\sqrt{5}.$ If the complex number $z_0$ is such that $\frac{ 1}{\left|z_{0}-1\right|}$ is the maximum of the set $\left\{\frac{ 1}{\left|z_{0}-1\right|}: z\,\in\,S\right\},$ then the principal argument of $\frac{4-z_{0}-z^{-}_{0}}{z_{0}-z^{-}_{0}+2i}$ is

Let the circles $C_{1} : x_{2} + y_{2} = 9$ and $C_{2} : \left(x ??3\right)^{2} + \left(y ??4\right)^{2} = 16$, intersect at the points X and Y. Suppose that another circle $C_{3} : \left(x ??h\right)^{2} + \left(y ??k\right)^{2} = r^{2}$ satisfies the following conditions: $\left(i\right) \quad$ centre of $C_{3}$ is collinear with the centres of $C_{1}$ and $C_{2}$, $\left(ii\right) \quad C_{1}$ and $C_{2}$ both lie inside $C_{3}$, and $\left(iii\right)\quad C_{3}$ touches $C_{1}$ at M and $C_{2}$ at N. Let the line through X and Y intersect $C_3$ at Z and W, and let a common tangent of $C_{1}$ and $C_{3}$ be a tangent to the parabola $x^{2} = 8ay.$ There are some expressions given in the List-I whose values are given in List-II below: Which of the following is the only INCORRECT combination?

Let the circles $C_{1} : x_{2} + y_{2} = 9$ and $C_{2} : \left(x ??3\right)^{2} + \left(y ??4\right)^{2} = 16$, intersect at the points X and Y. Suppose that another circle $C_{3} : \left(x ??h\right)^{2} + \left(y ??k\right)^{2} = r^{2}$ satisfies the following conditions: $\left(i\right) \quad$ centre of $C_{3}$ is collinear with the centres of $C_{1}$ and $C_{2}$, $\left(ii\right) \quad C_{1}$ and $C_{2}$ both lie inside $C_{3}$, and $\left(iii\right)\quad C_{3}$ touches $C_{1}$ at M and $C_{2}$ at N. Let the line through X and Y intersect $C_3$ at Z and W, and let a common tangent of $C_{1}$ and $C_{3}$ be a tangent to the parabola $x^{2} = 8ay.$ There are some expressions given in the List-I whose values are given in List-II below: Which of the following is the only CORRECT combination?

Diagram of Adenovirus Choose the correct for the given diagram

Cocaine is obtained from

Choose the option that correctly matches the animal with its lifespan.

Cell placed in hypertonic solution is shown by

Calculate emf of the following cell at 25?? if value of $E^o_{cell}$ is 4 V (Given $\frac {RT}{F} \, ln\, 10 = 0.06):$ $M | M^{2+} _{0.01}|| M^{2+} _{0.0001}| M$