List of practice Questions

Which of the following is an example of active transport in cells?
Which of the following is responsible for the synthesis of ribosomal RNA (rRNA) in eukaryotic cells?
Which of the following is a characteristic of prokaryotic cells?
Which of the following is the correct electron configuration for the element with atomic number 19?
Which of the following compounds has the highest boiling point?
Which of the following is a strong electrolyte?
Which of the following is the primary function of ribosomes in a cell?
Which of the following is NOT a part of the human circulatory system?
The reaction between hydrogen and oxygen to form water is given as: \( 2H_2 + O_2 \rightarrow 2H_2O \). If 4 moles of hydrogen react with excess oxygen, how many moles of water will be formed?
What is the oxidation state of chromium in the compound \( \text{Cr}_2\text{O}_3 \)?
Which of the following gases is most likely to exhibit ideal gas behavior?
What is the pH of a solution with a hydrogen ion concentration of \( [H^+] = 1 \times 10^{-4} \, \text{M} \)?
Which of the following compounds is an example of an ester?
A car accelerates from rest with a constant acceleration of \( 2 \, \text{m/s}^2 \) for 5 seconds. Find the final velocity of the car.
A metal wire has a length of 2 meters and a resistance of \( 10 \, \Omega \). If the length of the wire is doubled, while keeping the material and cross-sectional area the same, what will be the new resistance?
A 1.0 kg object is dropped from a height of 5 meters. Calculate the velocity of the object just before it hits the ground. (Assume no air resistance and \( g = 9.8 \, \text{m/s}^2 \))
In a p-n junction diode, if the forward bias voltage is increased, how does the current flowing through the diode change?
A ball is thrown vertically upwards with an initial speed of 10 m/s. Calculate the maximum height reached by the ball. (Assume \( g = 9.8 \, \text{m/s}^2 \))
Following representations P, Q and R denote few steps of Griffith Experiment. Identify the correct one(s)
P. R strain → Inject into mice → Mice die
Q. S strain (Heat killed) → Injected into mice → Mice die
R. R strain → Inject into mice → Mice live
Identify the incorrect match respect to recently extinct animals and their place extinction according to IUCN Red list
Two finite sets have m and n elements respectively. The total number of subsets of the first set is 56 more than the total number of subsets of the second set. The values of m and n respectively are
Mixing of $N_2$ and $H_2$ form an ideal gas mixture at room temperature in a container. For this process, which of the following statement is true?
Choose the correct spelling:
If A.M. and G.M. of roots of a quadratic equation are 5 and 4 respectively, then the quadratic equation is

Give the structures of A, B and C in the following reactions: