Question
One who is helpless and in a weak
position. In each of the following questions, choose the word which can be substituted for the given phrase/sentence.Solution
The correct answer is A
Device used to convert sound into electrical signals:
Which of the following is Vitamin-E?
Metals are good conductors of electricity because –
Muscle fatigue is due to the accumulation of
A neutral atom has 9 electrons and mass number is 19. What is the number of neutrons in the atom?
The base of an electric iron is brightly polished mainly -
Which component of food is the primary source of energy?
Which of the following is an example of symbiosis?
A person weighing 80 kg is standing in an elevator that is accelerating downward at 3 m/s². What is the apparent weight? (Take g = 10 m/ s²)
Which of the following is a common risk factor for heart disease?