List of practice Questions

In the process of food preservation, the main purpose of refrigerating food is
Identify the CORRECT sequence of subphases given below in the prophase of Meiosis I.
If a solid cube of 7 kg having an edge of length 10 cm floats in water, then the volume of the cube outside of the water is (let the density of the water 1000 kg/m³.)
Match the following characteristics with their respective animal Phyla.
Pseudocoelom
According to Bohr model, the maximum number of electrons occupying M-shell will be
Which of the following statements are correct?
(i) Velocity of sound waves is greater in solids than liquids.
(ii) Velocity of sound waves in vacuum is 330 m/s.
(iii) Sound waves are longitudinal waves.
(iv) Velocity of sound waves in vacuum is zero.
Which of the following is a set of homogeneous mixtures?
1. Air
2. Mist
3. Sugar solution
4. Milk
A person can hear a sound of frequency
Which planet's rotation is different from the earth’s rotation?
A displacement-time graph shown below represents
displacement-time graph
How many spherical balls can be made out of a solid cube of iron whose edge measures 44 cm and each ball being 4 cm in diameter? (Take \( \pi = \frac{22}{7} \))
If two six-sided similar dice are rolled, then the probability that the sum of the numbers on the two dice is not equal to 7 is:
Among the following, the correct picture representation of the number of school teachers in Delhi is:
picture representation of the number of school teachers in Delhi
A force acting on an object of mass 500 g changes its velocity from 200 cm/s to 0.2 m/s. The change in momentum
Find the volume of the cuboid if length is 12 cm, breadth is 8 cm and height is 10 cm? (in cubic cm)
Evaluate: \[ \sqrt{\sin^4 x + 4\cos^2 x} - \sqrt{\cos^4 x + 4\sin^2 x} = ? \]
If \( A(2, 3) \) and \( B(4, 5) \) are the end points of a straight line AB, then the slope of straight line AB is:
In a triangle, if the three angles are in the ratio \( 2 : 5 : 8 \), then the values of those three angles are:
Solve: \( 3 + \frac{1}{2 + \frac{1}{5 + \frac{1}{4}}} \)
Evaluate \( \sin 210^\circ \cdot \cos 240^\circ \cdot \tan 150^\circ \):
Among the following, identify the pair of triangles that are NOT similar.
The area of the rectangular park whose length is 7 meters more than its breadth is 260 sq meters. For fencing the entire boundary of the park if ₹9000 is spent, then the cost of fencing per meter is (in ₹):
Calculate the compound interest on ₹ 1000 for a period of one year at the rate of 10% per annum, if interest is compounded quarterly.
If the price of a book including 10% G.S.T. is ₹880, then the original price of the book without G.S.T. is:
If \( a, b, c \) elements are in geometric progression, then \( \log a, \log b, \log c \) will be in: