NDA questions
2295 published questions with worked solutions.
- An object is placed in front of a convex mirror. Which one of the following statements is correct?
- A circular coil of radius R having N number of turns carries a steady current I. The magnetic induction at the centre of the coil...
- Which one of the following cell organelles does NOT possess nucleic acid ?
- Which one of the following cell organelles does NOT possess its own genetic material encoding proteins ?
- Which one of the following is NOT a component of conducting tissue in plants ?
- Which one of the following organisms has vascular tissues ?
- Which one of the following organisms represents the primary consumer category in an ecosystem ?
- Which one of the following energy is stored in the links between the atoms ?
- The light energy escaping from the Sun can be spread by
- The correct sequence of energy transfer that occurs when an apple falls to the ground is
- Which one of the following is NOT a synthetic detergent ?
- Which one of the following can charge an insulator ?
- At 20°C, the speed of sound in water is approximately
- Which one of the following could be the melting point of iron ?
- Let us consider a copper wire having radius r and length l. Let its resistance be R. If the radius of another copper wire is 2r...
- Basic scientific principle behind a nuclear reactor is
- Which one of the following is an organic acid ?
- Dinitrogen (N_2) and dioxygen (O_2) are the main constituents of air but they do not react with each other to form oxides of...
- Who among the following has explained the phenomenon of photoelectric effect ?
- The equivalent weight of oxalic acid in C_2H_2O_4 2H_2O is