List of practice Questions

What is the name of eye drops designed to improve age-related near-vision problems that is recently approved by the US Food and Drug Administration?
Scientists working at which one of the following research organizations have discovered 'God's particle'?
The additional 8% human genome sequenced account for _____ million new letters added to the existing sequenced DNA.
Bacteria was first observed in the year _____ .
Virus contains ____ number of ribosomes.

Which of the following statements are true or false?
1. Endemic when it spreads across the globe is called a pandemic.
2. Epidemic is a disease that is permanently present in a region or population.

Which taste zone of the human tongue is a sour taste zone?
Block Chain Technology has the following hallmark feature/s:
Which one among the following is not a characteristic of 'big data'?
Draw only a labelled diagram of DNA double helix model as proposed by Watson and Crick.
Let S be the set of all values of θ Ε [-π, π] for which the system of linear equations
x+y+√3z=0
-x+(tanθ)y+ √7z=0
x+y+(tanθ)z = 0 has non-trivial solution.
Then 120/π ∑θθ∈s is equal to
A body of mass 200 g is tied to a spring of spring constant 12.5 N/m, while the other end of the spring is fixed at point \( O \). If the body moves about \( O \) in a circular path on a smooth horizontal surface with constant angular speed 5 rad/s, then the ratio of extension in the spring to its natural length will be:
A horizontal bridge is built across a river. A student standing on the bridge throws a small ball vertically upwards with a velocity \(4\ ms^{-1}\). The ball strikes the water surface after \(4s\). The height of bridge above water surface is
(Take: \(g=10\ ms^{-2}\))
The metal which is extracted by oxidation and subsequent reduction from its ore is:
Derive laws of reflection of light using Huygens’ principle.
Identify the error in the following sentence and choose the correct option :
"The team have been practicing every day for the upcoming tournament."
If \[ A = \begin{bmatrix} 1 & -2 & 3 \\ -4 & 2 & 5 \end{bmatrix}, B = \begin{bmatrix} 2 & 3 \\ 4 & 5 \\ 2 & 1 \end{bmatrix} \] find the matrix $AB$.
Ten identical cells each emf 2V and internal resistance 1Ω are connected in series with two cells wrongly connected. A resistor of 10Ω is connected to the combination. What is the current through the resistor?
A full-wave rectifer with diodes D1 and D2 is used to rectify 50 Hz alternating voltage. The diode D1 conducts _______ times in one second.
Which amongst the following options is the correct relation between change in enthalpy and change in internal energy
In a row of students. the position of the Vikas from the left side of the row is 8th and the position of Vikas from the right side of the row is 38th. find the total number of students in the row?
Identify the pattern in the number series and complete the sequence: 3, 8, 15, 24, __, __
If \(a\) and \(b\) are whole numbers such that \(ab = 121\), find the value of \((a-1)b + 1\).

As shown in figure, a $70 kg$ garden roller is pushed with a force of $\vec{F}=200 N$ at an angle of $30^{\circ}$ with horizontal. The normal reaction on the roller is (Given $g=10 m s ^{-2}$ )

Fill in the blanks with the correct articles: I saw ........... interesting movie last night. It was ............. thriller that kept me on ............. edge of ............... seat.