Sets
General Science Set 43
30 questions 1. Since the International Astronomical Union redefined the requirements for a planet in 2006, Pluto is classified as a:
2. Transfer of pollen from the anther of a flower of one plant to the stigma of a flower of another plant of the same type is called:
3. A lunar year, consisting of 12 lunar months, has about:
4. The functional group present in alcohols is:
5. Biogas produced by microbes in an oxygen-free environment contains a high proportion of:
6. The number of principal foci of a lens is:
7. Metals and non-metals are sub-categories of:
8. Tissue-level organisation is first seen in the phylum:
9. In a dry cell, the negative terminal is the:
10. Mature human red blood cells survive for approximately:
11. Reactions in which heat is released along with the formation of products are called:
12. The surface temperature of the Sun, estimated by Wien's law from its wavelength of maximum intensity, is about:
13. Which of the following prokaryotes completely lacks a cell wall?
14. If ν is the frequency and T is the time period of a wave, then:
15. Machines called threshers perform:
16. In a few reptiles, the sex of the developing animal is determined by the:
17. The persistence of sound in a large hall after the source stops, caused by multiple reflections, is called:
18. Consider the following statements:
(I) Metals above hydrogen in the reactivity series displace hydrogen from dilute acids.
(II) A more reactive metal displaces a less reactive metal from its salt solution.
(III) Copper displaces hydrogen from dilute hydrochloric acid.
Which of the above is/are correct?
19. Consider the following pairs:
(I) Frog – External fertilisation
(II) Lizard – Internal fertilisation
(III) Fish – Internal fertilisation
Which of the pairs given above is/are correctly matched?
20. One newton is the force that produces an acceleration of 1 m s⁻² on an object of mass: