Sets
General Science Set 8
30 questions 1. In the Northern Hemisphere, ocean gyres rotate:
2. In the conversion of ethanol to ethene, concentrated sulphuric acid acts as a:
3. A section of DNA that provides information for one protein is called a:
4. Winds blow from a region of:
5. Baked clay is called:
6. In ribosomes, 'S' in 70S and 80S stands for:
7. Heat from the Sun reaches the Earth through:
8. Consider the following statements:
(I) In solids, the particles can move past each other.
(II) In solids, the particles only vibrate about their positions.
(III) On heating a solid, its particles vibrate more vigorously.
Which of the above is/are correct?
9. Consider the following statements:
(I) Wind-pollinated plants have a long and feathery stigma to trap pollen.
(II) Insect-pollinated flowers are often brightly coloured and produce nectar and fragrance.
(III) Pollen grains of insect-pollinated plants are small and light.
Which of the above is/are correct?
10. The gravitational constant G was first determined experimentally in:
11. In fish, amphibians and insects, the larva is essentially a:
12. The transfer of heat from one point to another of a material is called:
13. The presence of excessive artificial light at night is termed:
14. Changes during adolescence, including menstruation and other signs of puberty, are mainly due to:
15. The time period of the Moon's orbit around the Earth is approximately:
16. Which of the following is not studied under organic chemistry?
17. Consider the following statements:
(I) Water softens the seed coat and helps the embryo develop into a plant.
(II) Seeds use the air available between soil particles.
(III) Excess water standing above the soil favours germination of bean seeds.
Which of the above is/are correct?
18. Burns from steam at 100 °C are more serious than those from boiling water at 100 °C because steam has:
19. The number of elements in the sixth period is:
20. Consider the following statements:
(I) Technological development is a factor in the change of culinary practices.
(II) Improved transportation is a factor in the change of culinary practices.
(III) Better communication is a factor in the change of culinary practices.
Which of the above is/are correct?