List of practice Questions

What is the spin magnetic moment of Cr(III) in Bohr Magnetons?

When xylem is present at the same radius in a stem or root, what is this arrangement called?

Name the repressor of the lac operon.

Filariasis is caused by?

Match the following pairs:
Trichoderma – Citric Acid
- Polysporum – Statins
- Yeast – Cyclosporin A
- Monascus Purpureus – Ethanol
- Aspergillus Niger – Citric Acid

Select the incorrect statement:

Adaptive radiation is an example of which type of evolution?

Platelets are formed at which site?

Who first classified the plant kingdom?

What is the term for the beginning of the menstrual cycle?

Which technique did Mendel use while experimenting on pea plants?

For mass 20 kg, torque \( \tau = 5 \, \text{Nm} \), find angular acceleration \( \alpha \).

At \( T = 27^\circ C \), \( V_i = 0.4 \, \text{L} \), \( V_f = 0.8 \, \text{L} \), find isothermal work.

For \( V = 120 \, \text{V} \), find the resonant current \( I_0 \).

What is \( C_v \) for a monoatomic gas?

Given \( n \) turns, current \( I \), permeability, and diameter, find magnetisation.

What is the magnetic field at the centre of a current-carrying loop?

If light intensity is known, how is non-reflecting momentum calculated?

For a microscope with objective \( f_o = 1 \, \text{cm} \), eyepiece \( f_e = 10 \, \text{cm} \), and image distance \( v = 25 \, \text{cm} \), find total magnification.

Given \( E(t) = 108t - 22 \), how is velocity derived from the electric field?

How can energy losses in a transformer be minimised?

What is the Bohr radius of a hydrogen atom?

Apply the mirror formula if focal length \( f = l \, \text{m} \) and object distance \( u = 15 \, \text{m}.\)

If current drops from 4 A to 0 A in 0.5 s, and voltage is 120 V, find the self-inductance.

What is the ratio of the de Broglie wavelengths for an electron and a proton if both have equal kinetic energy?