NDA questions
2827 published questions with worked solutions.
- Which one of the following is NOT the unit of energy ?
- In prokaryotic organisms, nuclear region is not surrounded by a membrane. This undefined nuclear region is known as
- Which one of the following plant tissues has dead cells ?
- Two planets orbit the Sun in circular orbits, with their radius of orbit as R_1 = R and R_2 = 4R. Ratio of their periods...
- A metallic wire having resistance of 20 Ω is cut into two equal parts in length. These parts are then connected in parallel. The...
- Light of uniform intensity impinges perpendicularly on a totally reflecting surface. If the area of the surface is halved, the...
- Which one of the following statements about sound is NOT correct ?
- Which one of the following is NOT a component of human male reproductive system ?
- Which one of the following is NOT a reason of decrease in biodiversity ?
- Which one of the following types of radiations has the smallest wavelength ?
- The instrument used for detecting the presence of electric current in a circuit is
- A lens has a power of +2·0 Dioptre. Which one of the following statements about the lens is true ?
- The refractive index of fused quartz is 1·46 and that of sapphire is 1·77. If v_q is the speed of light in quartz and v_s is the...
- In case of a concave mirror, if an object is kept between principal focus F and pole P of the mirror, then which one of the...
- Which one of the following regarding density of water at atmospheric pressure is correct ?
- LED (a semi-conductor device) is an abbreviation that stands forNot in JEE Advanced syllabus
- The statement "friction force is a contact force while magnetic force is a non-contact force" is
- In electrolytic refining of copper, the electrolyte is a solution ofNot in JEE Main or NEET syllabus
- Which one of the following statements about dihydrogen (H_2) is not correct ?Not in JEE Main or NEET syllabus
- Which of the following sets of elements has the same valency ?