List of practice Questions

Choose the correct synonym for “Benevolent”.
Find the odd one out: \(5,\,10,\,20,\,40,\,100,\,150,\,200\).
In the given figure, \( XY \parallel QR \), \( \frac{PQ}{XQ} = \frac{7}{3} \) and \( PR = 6.3 \text{ cm} \). Find the length of \( YR \).
In a microscope of tube length $10\,\text{cm}$ two convex lenses are arranged with focal lengths $2\,\text{cm}$ and $5\,\text{cm}$. Total magnification obtained with this system for normal adjustment is $(5)^k$. The value of $k$ is ___.
If \(PQ\) and \(PR\) are tangents to the circle with centre \(O\) and radius \(4 \text{ cm}\) such that \(\angle QPR = 90^{\circ}\), then the length \(OP\) is
A current of \(2\,\text{A}\) flows through a resistor for \(10\) minutes. What is the total charge that passes through the resistor?
Choose the correct preposition: "The property was divided ___ the four brothers."
Calculate the de Broglie wavelength of an electron accelerated through a potential difference of \(100\,V\).
The electrolyte used in $H_2 - O_2$ fuel cell is ________.
Which of the following pairs contains only intensive properties?
A wafer of pure germanium crystal has two parts X and Y. The end X is obtained by doping with arsenic and Y with indium. It is connected to a battery as shown in the figure. Which of the following statements is correct?
What is the major product formed when Propene reacts with \(HBr\) in the presence of peroxide?
An object is placed 15 cm in front of a concave mirror of focal length 10 cm. Find the position and nature of the image.
Evaluate: \(\tan^{-1}(1) + \tan^{-1}(4) + \tan^{-1}(5) + \tan^{-1}\left(\frac{1}{4}\right) = \pi + \tan^{-1}\left(\frac{\alpha}{2}\right)\). Find the value of \(\alpha\).
Find the odd one out: \(5,\,10,\,20,\,40,\,100,\,150,\,200\).
What happens to the magnetic field at the center of a circular coil if the number of turns is doubled while current remains constant?
Corticosteroids are mainly used as _______
Drug of choice in anaphylactic shock is _______
Oral contraceptive pills mainly prevent pregnancy by _______
Propranolol is classified as _______
Furosemide is classified as _______
Ondansetron is mainly used as _______
Streptomycin belongs to _______
Which drug should be avoided in patients with history of hypersensitivity to penicillins?
Metformin is used for treatment of _______