List of practice Questions

Given below are two statements followed by two conclusions. Assuming these statements to be true, decide which one logically follows.
Statements:
I. All film stars are playback singers.
II. All film directors are film stars.
Conclusions:
I. All film directors are playback singers.
II. Some film stars are film directors.

A truncated (horizontally cut in mid-way) hexagonal pyramid has following numbers of surfaces, edges and vertices respectively.

A circle is inscribed within an equilateral triangle of area \(\sqrt 3\) sqm. The circumference of the circle is

The linear scale of a map is 1 cm = 2 m. The drawing dimensions of an on-site rectangular plot measuring 25 m × 40 m will be

When a clock is seen through a mirror, the hour arm and minute arm are seen at 9 and 4 respectively, so that the time seen is 9:20. What will be the actual time after 15 minutes?

Length of a solid diagonal of a cube is 6 cm. The volume of the cube is

A horizontal supporting crosspiece over an opening is called

What secondary colour is obtained by mixing Blue and Red colours?

What is Texture?

Building acoustics concerns:

Choose the appropriate shadow pattern of this cube (below) at 3:00 p.m. in India.

Fly ash is a waste product from which of the following:

French influence in architecture is found at

How many bricks of dimension 20 cm × 10 cm × 10 cm are required to build a wall 12 m long, 3 m high and 30 cm wide, if 10% of the wall is comprised of mortar?

Which of the following facilitates opening of stomatal aperture ?

A magnetic dipole in a constant magnetic field has :

A magnetic needle of magnetic moment $6.7 \times 10^{-2} \, Am^2$ and moment of inertia $7.5 \times 10^{-6} \, kg \, m^2$ is performing simple harmonic oscillations in a magnetic field of $0.01\, T$. Time taken for $10$ complete oscillations is :

On treatment of $100\, mL$ of $0.1\, M$ solution of $CoCl _{3} \cdot 6 H _{2} O$ with excess $AgNO _{3} ; 1.2 \times 10^{22}$ ions are precipitated. The complex is

Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time $t_1$. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time $t_2$. The time taken by her to walk up on the moving escalator will be

When the heat of reaction at constant pressure is \(-5 \times 10^3\) cal and the entropy change is \(7.4 \, \text{cal} \, \text{deg}^{-1}\) at \(25^\circ\text{C}\), the reaction is predicted as

Predict the correct intermediate and product in the following reaction :
$H_{3}C-C\equiv CH\underset{HgS{O}_4}{\overset{H_{2}O,H_{2}S{O}_4}{\to }}\underset{\text{(A)}}{\mathrm{Intermediate}}\to \underset{\text{(B)}}{\mathrm{product}}$

Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ?

Asymptote in a logistic growth curve is obtained when :

In Bougainvillea thorns are the modifications of :

A rope of negligible mass is wound round a hollow cylinder of mass $3 \,kg$ and radius $40 \,cm$. If the rope is pulled with a force of $30 \,N$, then the angular acceleration produced in the cylinder is