List of practice Questions

Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus:

Which of the following statements about ozone is correct?

Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due t o :

Which of the following is against the rules of ICBN?

Placentation in which ovules develop on the inner wall of the ovary or in peripheral part, is

A tree grows at the rate of \(\frac 15^{th}\) of its height annually. By how much height will it grow after 2 years, if its present height is 75 cms?

A train 600 meters long is running at a speed of 90 kms/hr. If it crosses a tunnel in one minute, then the length of the tunnel is:

The perimeter of a rectangle is 60 cms. If its length is twice its breadth, then its area is:

The sum of the values of x satisfying \(\tan(\frac{\pi}{4}+x)+\tan(\frac{\pi}{4}-x)=2\) in the interval \([0,2\pi]\) is:

If a, b, c are odd positive integers, then number of integral solutions of a + b + c = 13, is

The sum of odd integers from 1 to 2001 is:

A circle of maximum possible size is cut from a square sheet. Subsequently, a square of maximum possible size is cut from the resultant circle. What will be area of the final square?

Evaluate the integral. \(\displaystyle\int^{3}_{2}x^4dx\)

A class has n students, we have to form a team of the students including at least two students and also excluding at least two students. The number of ways of forming the team is

The function given by: x^myⁿ = (x + y)^m+n is:

The differential equation of all non vertical lines in a plane is:

You have a 9 x 9 x 9 cm box. How many cubes of side 5 cm will you be able to fit inside it?

Area bounded by\( y=x^3 , y=8\) and \(x=0\) is

The average age of 20 students in a class is 15 years. If the teacher’s age is including, the average increases by 1. What is the teacher’s age?

Let the following system of equations kx + y + z =1x + ky + z = kx + y + kz=k2Has no solution. Find

A determinant is chosen at random from the set of order 2 with elements 0 or 1 only. The probability that the determinant chosen non zero is

Poly-$\beta$-hydroxybutyrate-co-$\beta$ hydroxyvalerate (PHBV) is a copolymer of___.

A magnet of total magnetic moment $10^{-2} \hat{i} \; A-m^2$ is placed in a time varying magnetic field, $B \hat{i} (\cos t\omega t)$ where $B = 1 $Tesla and $\omega = 0.125 \; rad/s$. The work done for reversing the direction of the magnetic moment at $t = 1$ second, is :

The correct statement regarding the given Ellingham diagram is:

When neutral or faintly alkaline KMnO4 is treated with potassium iodide, iodide ion is converted into 'X'. 'X' is -