Question
 Find out which word can be filled up in the blanks in
sentence in the same sequence to make the sentence grammatically correct and meaningfully complete. My sister ____ her clothes herself.Solution
The question indicates singular, 3rd person. Option (2) uses -ing form and needs a helping verb “is / has been” before it while option (3) has a verb after “is” and hence should be in -ing form. Option (1) uses plural verb “wash” instead of singular verb “washes”. Option (4) creates the sentence in present perfect with the correct usage of past participle verb form – has washed
Presbyopia is a visual defect caused by:
A projectile is fired at an angle of 45° with a speed of 20 m/s. What is the maximum height reached? (Take g = 10 m/ s² )
The salt produced when Ethanoic acid reacts with carbonates/ hydrogen carbonates is called
When a metal reacts with dilute hydrochloric acid, it produces:
Which of the following is not a purpose of transpiration?
A bullet of mass 10 g is fired with a velocity of 500 m/s. Find its momentum.
X-rays are
Which of the following physical quantities is not conserved in inelastic collisions?
Which of the following is not a characteristic of prokaryotic cells?
