NDA questions
2295 published questions with worked solutions.
- Atomic mass of an element is equal to the sum of number of
- Which one of the following element's isotope is used in the treatment of cancer ?
- Which one of the following cell organelles may play a role in expelling excess water and wastes in case of unicellular organisms ?
- Which one of the following statements is correct about effects of antibiotics on viruses ?
- 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
- Which one of the following is the largest composition in biogas ?
- 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 ?