List of practice Questions

What is the role of $NAD^+$ in cellular respiration ?

Which of the following has proved helpful in preserving pollen as fossils ?

Oxygen is not produced during photosynthesis by

Which one is wrongly matched ?

Which of the following elements is responsible for maintaining turgor in cells

The number of solutions of $\sin \, x + \sin \, 3x + \sin \, 5x = 0$ in the interval $\left[\frac{\pi}{2} , 3 \frac{\pi}{2}\right] $ is

Matrix $A = \begin{bmatrix}1&2&3\\ 1&1&5\\ 2&4&7\end{bmatrix}$then the value of $a_{31} A_{31} + a_{32} A_{32} + a_{33 } + A_{33} $ is

If the length of the latus rectum of an ellipse is $4$ units and the distance between a focus and its nearest vertex on the major axis is $\frac{3}{2}$ units, then its eccentricity is :

Regarding cross-linked or network polymers, which of the following statements is incorrect ?

Which of the following best describes the diagram below of a molecular orbital ?

An electron of mass $m$ with an initial velocity $\vec{V} = V_0 \hat{i} (V_0 > 0)$ enters an electric field $\vec{E} = - E_0 \hat{i} (E_0 = \text{constant } > 0)$ at $t = 0$. If $\lambda_o$ is its de-Broglie wavelength initially,. then its de-Broglie wavelength at time $t$ is

The magnetic potential energy stored in a certain inductor is $25 \,mJ,$ when the current in the inductor is $60\, mA$ This inductor is of inductance

Choose the answer figure which completes the problem figure matrix:
Problem Figure

Statements:

1. All gots kites
2. Some goats are rolls

Choose the conclusion that follows the given statements:

Rajneesh is 5 ranks ahead of Aman in a class of 46 students. If Aman's rank is twelth from the last, what is Rajnessh's rank from the start?

Find the missing number:

Compete the given series:
5, 11, 23, 43, ?

Which digit will appear on the face opposite to the face with number 4?

She is very serious by temperature.
In the questions given below, a sentence is given with an underlined word followed by four options. Select the option that is opposite in meaning to the underlined word.

He has a fine ear for music.
In the questions given below, a sentence is given with an underlined word followed by four options. Select the option that is opposite in meaning to the underlined word.

There is no likeness between her and her sister.
In the questions given below, a sentence is given with an underlined word followed by four options. Select the option that is opposite in meaning to the underlined word.

Pointing to Kamal, Sheeba said, "His mother;s brother is the father of my son Akilesh". How is Kamal related to Sheeba?

Rmana walks 5 km towards south and then turns to the right. After walking 3 km, he turns to the ledt and walks 5 km. Now in which direction is he from the starting place?

Complete the given series by replacing “?”:
\(H171, K23L, N290,? \)