PSC Question Bank: Q & A of Previous Exams

1.. Which one is a communicable disease ?
A) Asthma B) Cancer C) Smallpox D) Arthritis
Ans: C) Smallpox
2. Transportation of food in plants takes places through:
A) Xylem B) Pores C) Cells D) Phloem
Ans: D) Pholem
3. Which plant does brown hopper affect most?
A) Vegetables B) Rice C) Pepper D) Coconut
Ans: B) Rice
4. What is meant by hybridization?
A) Producing new varieties of plants that resist pests
B) Producing new varieties of plants or animals that give more yield
C) Producing new varieties of plants that give early yield
D) Producing new varieties of plants or animals by combining characteristics of two different varieties
Ans: D) Producing new varieties of plants or animals by combining characteristic of two different varieties.
5. The secretion of the liver is:
A) Bile B) Saliva C) Gastric Juice D) Hydrochloric acid
Ans: A) Bile
6. The organ that regulates body temperature in human beings is:
A) Hair B) Kidney C) Lungs D) Skin
Ans: . D) Skin
7. Which of the following is an example for adventitious roots?
A) Carrot B) Beetroot C) Tapioca D) Radish
Ans: C) Tapioca
8. Which of the following Malayali writers did not receive the “Jnanpith Award”?
A) M.T Vasudevan Nair B) Thakazhi C) S.K. Pottakkad D) Uroob
Ans: D) Uroob
9. The part of a computer, which receives the information supplied, is:
A) Control Unit B) Memory Unit C) Output Unit D) Input Unit
Ans: . D) Input Unit
10. When did the dynasty of Sultans rule over India ?
A) Between 17th century A.D and 19th century A.D
B) Between 13th century A.D and 16th century A.D
C) Between 8th century A.D and 10th century A.D
D) Between 5th century A.D and 8th century A.D
Ans: B) Between 13th Century and 16th Century A.D.
11. The law by which people are asked to submit to Government accounts of dealings in foreign currency is:
A) FREA B) Customs law C) Income-tax law D) TADA
Ans: A) FREA
12. The Konkan railway has been constructed between:
A) Thiruvananthapuram and Mumbai
B) Mangalore and Chennai
C) Thiruvananthapuram and Goa
D) Mangalore and Mumbai
Ans: D) Mangalore and Mumbai
13. Under what condition does a lunar eclipse take place?
A) The earth comes between the sun and the moon
B) The Moon comes between the sun and the earth
C) The sun comes between the earth and the moon
D) The sun, moon and earth are in a straight line in any order
Ans: A) The earth comes between sun and moon
14. The name given to the instrument sent to Mars, in 1997, for investigations , by moving around is:
A) Orbiter B) Viking C) Mariner D) Sojourner
Ans: D) Sojourner
15. Why is it that the color of earth is red at certain places ?
A) It contains more nitrogen
B) It contains oxides of iron
C) It contains sand formed out of red rocks
D) It does not contain alluvial soil
Ans: B) It contains oxides of iron.
16. Which of the following gives the percentage of carbon dioxide present in atmosphere?
A) 5% B) 3% C) .3% D) .03%
Ans: D) .03%
17. Whose name is associated with the Theory of Evolution?
A) Lamarck B) Weisman C) Charles Darwin D) De vries
Ans: C) Charles Darwin
18. The Paris Commune took place in
A) 1900 B) 1871 C) 1921 D) 1847
Ans: B) 1871.
19. The gas produced by partial combustion of fules is:
A) Carbon dioxide B) Carbon monoxide C) Sulphur dioxide
D) Hydrogen peroxide
Ans: B) Carbon monoxide
20. The Srimoolam Prajasabha was established in Travancore in :
A) 1904 B) 1910 C) 1918 D) 1932
Ans: A) 1904
21. In connection with which of the following movements did Gandhiji come to kerala ?
A) Guruvayoor Satyagraha B) Vaikam Satyagraha C) Paliam Satyagraha D) Salt Satyagraha
Ans: B) Vaikam Sathyagraha.
22. The Scientist who arranged elements to their increasing atomic weight is:
A) Dalton B) Avogadro C) Mendeleev D) Mendel
Ans: C) Mendeleev
23. Which of the following is not a part of an atom?
A) Ion B) Electron C) Proton D) Neutron
Ans: A) Ion
24. Under which category of winds does the cyclone fall?
A) Local winds B) Trade winds C) Variable Winds D) Periodic Winds
Ans: D) Periodic winds.
25. Which of the metropolitan cities of India is nearest to the equator?
A) Mumbai B) Delhi C) Chennai D) Bangloru
Ans: C) Chennai
26. The person who is said to be the “Iron man” of India is:
A) Subhash Chandra Bose B) Bhagat Singh C) V.K Krishna Menon
D) Sardar Vallabhai Patel
Ans: D) Sardar Vallabhai Patel.
27. The person who occupied the post of the President of India for two sessions continuously was
A) Dr. Radhakrishnan B) Dr. Rajendra Prasad
C) Dr. Zakir Hussain D) Dr. Shankar Dayal Sharma
Ans: B) Dr. Rajendra prasad
28. The name given to a substance formed by the chemical combination of two more metal is
A) Alloy B) Ore C) Compound D) Mineral
Ans: A) Alloy
29. To which of the following is Group III metal?
A) Calcium B) Aluminum C) Sodium D) Iron
Ans: B) Aluminum
30. Which of the following does petroleum belong?
A) Nitrate B) Oxide C) Fat D) Hydrocarbon
Ans: D) Hydrocarbon
31. Paralysis is caused by disorders connected with
A) Muscles B) Lungs C) Joints D) Brain
Ans: D) Brain
32. The food item that provides energy for growth is:
A) Carbohydrates B) Vitamins C) Protins D) Minerals
Ans: A) Carbohydrates
33. The scientist who gave scientific laws of heredity for the first time was
A) Charles Darwin B) Issac Newton C) Lamarck D) Mendel
Ans: D) Mendel
34. What is the physical basis of inheritance of characters in animals ?
A) Cells B) Genes C) Blood D) Tissues
Ans: B) Genes
35. Which of the following is an excretory organ ?
A) Kidney B) Intestine C) Liver D) Stomach
Ans: A) Kidney
36) Which is a disease cause by disorder of the respiratory system ?
A) Hypertension B) Jaundice C) Imbalance of cholesterol
D) Pneumonia
Ans: D) Pneumonia
37. Which of the following creatures is not purely aquatic?
A) Shark B) Whale C) Crocodile D) Octopus
Ans: C) Crocodile
38. Which of the following is a mammal ?
A) Crocodile B) Tortoise C) Bat D) Snake
Ans: C) Bat
39. With which crop is the name « Jaya » associated ?
A) Coconut B) Pepper C) Wheat D) Rice
Ans: D) Rice
40. Who was the Agricultural scientist who gave leadership to the “Green Revolution” in India?
A) Dr. M.S. Swaminathan B) Jagadeesh Chandra Bose
C) Dr. Chandrasekhar D) Dr. Khorana
Ans: A) Dr. M.S Swaminathan
41. Which of the following places has contributed to a famous variety of goats?
A) Malappuram B) Kasaragod C) Thalasseri D) Kozhikkode
Ans: A) Malappuram
42. Which of the following varieties of cows is Indian in origin?
A) Sindhi B) Jersy C) Hostein D) Swiss Brown
Ans: A) Sindhi
43. To which of the following is the term “Operation Flood” associated?
A) Time bound programme for better irrigation
B) Effort for increasing production of milk
C) Pevention of floods in Indian rivers
D) Military operation against militant forces
Ans: B) Effort for increasing production of milk
44. Where is the Central Rice Research Institute Situated ?
A) Pattambi B) Vellayani C) Kasargod D) Mannuthi
Ans: A) Pattambi
45. A non-living component of living cell is:
A) Ribosome B) Mitochondria C) Vacuole D) Endoplasmic reticulum
Ans: C) Vacuole.
46. Which is an example for drupes?
A) Pea D) Mango C) Tomato D) Pineapple
Ans: B) Mango
47. A seed dispersed with the help of hairs on it is:
A) Drumstick (Muringa) B) Cotton C) Poppy D) Castor (Avanakku)
Ans: B) Cotton
48. Which of the following is an artificial method of vegetative propagation?
A) Bulb. B) Rhizomes C) Tubers D) Grafting
Ans: D) Grafting
49. Which is a disease spread by house flies?
A) Scabies B) Filaria C) Cholera D) Rabies
Ans: C) Cholera
50. Which disease is not prevented by the triple vaccine?
A) Diphtheria B) Tetanus C) Polio D) Whooping cough
Ans: C) Polio