NDA questions
2295 published questions with worked solutions.
- Which one of the following is the correct order of the valencies of elements Ne, Si, N and Mg ?
- Which one of the following correctly represents the SI unit of resistivity?
- What is the current required to light a 60 W incandescent bulb in a domestic supply of 240 V ?
- The magnetic field produced by a current-carrying straight wire at a point outside the wire depends
- What is the dimension of gravitational constant?
- A ball is thrown vertically upward with a speed of 40 m/s. The time taken by the ball to reach the maximum height would be...
- The time period of a 1 m long pendulum approximates to
- Which of the following statements about living and non-living being is/are correct? 1. While living being can demonstrate growth...
- Which one of the following plant plastids stores starch, oil and protein granules?
- Which one of the following statements about 'vacuoles' is not correct?
- In aquatic plants, large air sacs give them buoyancy effects. These sacs are surrounded by which one of the following types of...
- Which one of the following groups is called 'amphibians of plant kingdom' ?
- The twinkling of a star is due to the atmospheric
- A mass M is dragged by a pulley on a horizontal plane by a force anti-parallel to its displacement. The work done in pulling the...
- A 5 N force is defined when a mass of 10 kg is accelerated with
- A boy of mass 52 kg jumps with a horizontal velocity of 2 m/s onto a stationary cart of mass 3 kg. The cart is fixed with...
- The energy possessed by a body due to its change in position or shape is called
- A sound wave has a frequency of 1 kHz and wavelength 50 cm. How long will it take to travel 1 km?
- For an element with atomic number 35, which one of the following will be the correct number of electrons in its valence shell...
- Which one of the following is not an example of a redox reaction?