Sets
General Science Set 46
30 questions 1. The acid produced by the stomach to help in digestion is:
2. An astronaut in an orbiting satellite experiences weightlessness because:
3. Platelets are cell fragments produced from:
4. The melting point of gallium, as found experimentally, is:
5. The matsya-yantra, a magnetised fish-shaped iron piece kept in a vessel of oil, was used by Indians for:
6. Hydra and Planaria can be cut into any number of pieces, each piece growing into a complete organism. This ability is called:
7. Consider the following statements:
(I) Diamond and graphite have the same chemical properties.
(II) Graphite is a very good conductor of electricity.
(III) Synthetic diamonds are easily distinguishable from natural diamonds.
Which of the above is/are correct?
8. The energy emitted per unit time by a perfect radiator is proportional to:
9. Knowledge of gene transfer by Agrobacterium is used in genetic engineering to:
10. A ray of light passing through the optical centre of a lens:
11. A three-carbon chain with a triple bond is named:
12. The total number of chromosomes in a human body cell is:
13. Light emitted by the Sun takes about ___ to reach the Earth.
14. Which of the following is a renewable resource?
15. The suffix used in naming the ketone group is:
16. For a sound wave in air, if the frequency of the source is doubled, the speed of the wave:
17. Fossils of ancient cyanobacteria are found in structures called:
18. The lecture series 'Chemical History of a Candle' was delivered by:
19. Which of the following shines with its own light?
20. Which of the following diseases is caused by a virus?