General Science Set 61 FAQs

1. The word 'redox' was coined because oxidation and reduction:

2. The heat required to raise the temperature of 2.0 kg of aluminium (specific heat capacity 900.0 J kg⁻¹ K⁻¹) by 15 K is:

3. The site of active ribosomal RNA synthesis is the:

4. Which of the following metals can displace copper from copper sulphate solution?

5. The temperature at the core of the Sun reaches as high as about:

6. The process by which plants prepare food in the presence of sunlight and chlorophyll is called:

7. Solar radiation reaches the Earth as:

8. The only non-metal that is liquid at room temperature is:

9. The malarial parasite, Plasmodium, divides into many daughter cells simultaneously by:

10. The magnetic field produced by a circular coil of n turns is ___ the field produced by a single turn:

11. Breastfeeding is essential for an infant because a mother's milk provides:

12. Which of the following metals do not react with cold or hot water but react with steam?

13. The symbol W for tungsten is derived from its:

14. Blood pressure, salivation and vomiting are controlled by the:

15. Iron sulfide reacts with dilute hydrochloric acid to form iron chloride and:

16. A motion that repeats itself at regular intervals of time is called:

17. Muscle fibres that are unbranched, multinucleate and striated belong to:

18. Which of the following substances sublimes?

19. Reactions in which energy is absorbed are known as:

20. The Nasha Mukt Bharat Abhiyaan was launched by the:

21. Taking the latent heat of vaporisation of water as 22.6 × 10⁵ J kg⁻¹, the heat required to convert 0.50 kg of water at 100 °C into steam at 100 °C is:

22. Which of the following reacts with hot water but not with cold water?

23. The gap between two neurons is called:

24. The coefficient of viscosity is the ratio of shearing stress to:

25. Consider the following statements: (I) Bryophytes lack vascular tissues. (II) Pteridophytes produce seeds. (III) Gymnosperms do not require water for fertilisation. Which of the above is/are correct?

26. Unsaturated carbon compounds generally burn with a:

27. One watt is equal to:

28. A series of branching feeding relationships formed by many interlinked food chains is called a:

29. The Calendar Reform Committee set up in 1952 was chaired by:

30. Heteroatoms and the groups containing them, which confer specific properties to a compound regardless of the carbon chain, are called: