1.Arrange the following continents in the order of their size:
(a) Africa (b) North America (c) South America (d) Europe
Ans. Africa, North America, South America, Europe.
2.Arrange the following oceans in the order of their size:
(a) The Arctic Ocean (b) The Atlantic Ocean
(c) The Indian Ocean (d) The Pacific Ocean
Ans. Pacific Ocean, Atlantic Ocean, Indian Ocean, Arctic Ocean.
3.Arrange in the order of the distance from the surface of the earth:
(a) Ionosphere (b) Mesosphere (c) Stratosphere (d) Troposphere
Ans. Troposphere, Stratosphere, Mesosphere, Ionosphere.
4.Arrange in the order of the distance from the sun:
(a) Jupiter (b) Mars (c) Uranus (d) Venus
Ans. Venus, Mars, Jupiter, Uranus.
5.Arrange in chronological order:
(a) Hiuen Tsang (b) Shivaji (c) Vasco da Gama (d) Ashoka
Ans. Ashoka, Hiuen Tsang, Vasco da Gama, Shivaji.
6. Give the full form of each of the following abbreviations:
ULFA
Ans. United Liberation Front of Assam.
7.The SAARC nations
Ans. India, Pakistan, Nepal, Bhutan, Sri Lanka, Bangladesh, Maldives and Afghanistan.
8.Two Malayalees who have won the Jnanpith Award
Ans. Thakazhi Sivasankara Pillai, M.T. Vasudevan Nair and S.K. Pottakatt.
9.The Malayalee who was the President of the Indian National Congress
Ans. Sir C. Shankaran Nair. He presided over the Amaravati Session of Congress in 1897.
10.The present Chief Election Commissioner
Ans. Shahabuddin Yaqoob Quraishi (2011)
11.The southernmost part of the Republic of India
Ans. Indira Point. (Nicobar Islands)
What are the following: (Answer in a sentence or two each)
12. Fuse
Ans. Fuse is a device to prevent unduly high current from passing through an electric circuit by breaking contact.
13. Blood Count
Ans. Counting of white blood corpuscles and red blood corpuscles in blood is known as blood count.
14. Voltage
Ans.Electric potential difference measured in volts is known as voltage.
15. Antibiotic
Ans. Antibiotics are drugs that have the power to destroy germs quickly and to prevent germs from growing. They are compounds produced by bacteria and moulds.
16. Lightning conductor
Ans. A conductor of electricity installed in a structure to save it from lightning damage is known as lightning conductor. It neutralises the electric charge of the clouds coming in its contact or carries it to the earth.
17. Yeti
Ans. Yeti is the animal man suppose to live in Himalayas.
18. Rectifier
Feedback: Ans. Rectifier is a device for converting an alternative current into a direct one.
19. Octroi
Ans. Octroi is a tax charged by the municipality or the local body on the goods and commodities brought into town. It is an important source of revenue for the municipal authorities.
20. Short Circuit
Ans. The direct flow of current between two points of different potential is known as short circuit.
21. Dialysis
Ans. The process of separating smaller particles from larger particles by the difference in their rates of diffusion is known as dialysis. Dialysis is given to patients suffering from renal failure.
22. What is Ecology?
Ans. Ecology is the study of the relation of animals and plants to their surroundings, animate and inanimate.
23. What is International Date Line?
Ans. The International Date Line, fixed by an international agreement follows the 1800 meridian, except where it diverges to avoid land. The day starts on this line and sweeps westward with the sun.
24. Where is Dakshin Gangotri?
Ans. Dakshin Gangotri is India’s permanent station in Antarctica.
25. What is 'Operation Rhino'?
Ans.'Operation Rhino' was the name given to the military operation undertaken by the Indian army to flush out the militants from Assam.
