Group D LEVEL 1 Previous Year Question 2025-12-12 Shift 3 Shift Common

A ball of mass 3 kg is placed on a shelf 2 m above the ground. The gravitational potential energy of the ball is (take g = 10m / s^2)

Which of the following statements correctly distinguishes a compound from a solution?

A ball is thrown vertically upwards at a speed of 2 m/s. What will be the maximum height attained and velocity of the body at the highest point, respectively, of the ball? (Take g = 10 m/s^2)

A car starts from rest is accelerated to a velocity of 60 km/hr in 5 minutes. What is the acceleration of the car?

Which of the following lenses can be used to correct the eye defect myopia?

An increase of molecular mass in any homologous series indicates:

Through which of the following ways can scientists incorporate desirable characters into crop varieties?

Which material is generally used for making resistance wires because it has high resistance and high melting point?

\[ \text{Match the following animal tissues with their correct features.} \]

\[ \begin{array}{|c|c|} \hline \textbf{Animal Tissue} & \textbf{Features} \\ \hline \text{a. Squamous Epithelium} & \text{i. Cells are thin and flat and form a delicate lining of the oesophagus} \\ \hline \text{b. Stratified Squamous Epithelium} & \text{ii. It forms the inner lining of the respiratory tract} \\ \hline \text{c. Cuboidal Epithelium} & \text{iii. It forms the lining of kidney tubules and ducts of salivary glands} \\ \hline \text{d. Ciliated Columnar Epithelium} & \text{iv. Cells are arranged in many layers, as in skin} \\ \hline \end{array} \]

If the speed of sound in air is 344 m/s, what is the minimum distance required for an observer to hear a distinct echo?