kppsc mcqs

#Everyday_Science_Mcqs_From_Past_Papers_ForCSS_PCS_Exams
1. the most important stimulant in tea leaves is
A. Burcina
B. Caffeine
C. Phenylalanine
D. Theine
Answer is = B

2. dolly is the name of the
A. first cloned sheep
B. first cloned monkey
C. first test- tube baby
D. first human fossil
Answer is = A

3. Which part of the camera is analogue to the retina in the human eye?
A. lens
B. film
C. aperture
D. shutter
Answer is = B

4. When a person enters a dark room from bright light he is not able to see
A. Eye is unable to adjust itself immediately
B. Retina becomes insensitive momentarily
C. Lris is unable to dilate the pupil immediately
D. Distance between the lens and retina take time to adjusted
Answer is = C

5. What is the average adult plus rate?
A. 140-150
B. 115-125
C. 72-80
D. 60
Answer is = C

6. The beautiful color patterns exhibited by a peacock in its tail feathers are due to
A. selective absorption of light
B. selective reflection of light
C. sinterference of light
D. natural color pattern of feathers
Answer is = A

7. A take starts freezing because of the cold atmosphere. It will first freeze
A. At the bottom
B. In the middle part
C. At the top surface
D. Uniform throughout the water body
Answer is = C

8. the sun appears red at sunrise and sunset while it appears white at noon, because
A. of refraction
B. it color at sunrise and at sunset
C. of diffraction leading to red end of
the spectrum reaching the earth
D. of scattering of light due to dust particles and air molecules
Answer is = D

9. An astronaut inside a spacecraft is in a state of weightlessness. This implies that
A. the mass of the astronaut is reduced to zero
B. Gravity inside the spacecraft cases to act
C. The astronaut is outside the influence of the earth’s gravitational force
D. The astronaut and the spacecraft are both in a free-falling state
Answer is = D

10. An iceberg is floating in sea. How much of its mass will remain above the surface of water?
A. One tenth
B. One fifth
C. One fourth
D. One third
Answer is = A

11. Most of the ozone in the atmosphere is concentrated in the
A. Mesosphere
B. troposphere
C. stratosphere
D. lonosphere
Answer is = C

12. The cow’s milk contains how much amount of water in terms of percentage?
A. 60 %
B. 65 %
C. 72 %
D. 80 %
Answer is = D

13. T.V Transmission cannot cover a very large area because.
A. the strength of T.V waves is very limited
B. picture cannot be transmitted clearly after a specific distance.
C. the shape of the earth is spherical
D. the air is not a good conductor of light and sound/waves.
Answer is = C

14. The Green House Effect is caused by an excess of
A. carbon dioxide
B. carbon monoxide
C. carbon tetrachloride
D. none of above
Answer is = A

15. Bats can also fly in dark because they are capable of taking the help of
A. Ultraviolet waves
B. ultrasonic waves
C. Electromagnetic waves
D. Special Retinal
Answer is = B

16. What is ‘Stealth technology’?
A. A device which when attached to
makes an aircraft it invisible on the radar
B. A coating which reduces the
visibility of an aircraft on a order
C. A technology by which it is possible
for the aircrafts to spy in the enemy air-space
E. A technology by using which paratroopers
can be drooped stealthily behind the enemy columns
Answer is = B

17. The primary function or the feathers in birds is to
A. Provide insulation for preserving body heat
B. provide striking surface to wings for flying
C. make the body surface water proof
D. impart coloration for species as well as sex recognition
Answer is =B

18. The rear view mirror of a motor vehicle is
A. concave
B. plane
C. convex
D. Biconcave
Answer is = C

19. Lead ball falls through water more slowly than through air because
A. the value of ‘g’ is less in water
B. Density of air is than that of water
C. of the viscous forces in water
D. of the surface tension of water
Answer is = C

20. A Fahrenheit thermometer indicates a temperature of 14f its Celsius scale will be
A. _20 c
B. _ 10 c
C. + 10 c
D. + 20 c
Answer is = B

21. Which one of the following sets of colour combinations is added in colour vision in T.V?
A. Red, green and blue
B. orange, lack and violet
C. White, red and yellow
D. Yellow, green and blue
Answer is = A

22. A train goes past a railway station at a high speed A young boy standing on the edge of the platform is likely to.
A. remain unaffected
B. Fall away from the train
C. Fall towards the train
D.Fall away from or toeards the train depending upon the speed
Answer is = C

23. Water is highly effective coolant for a car engine because
A. Water is good conductor of heat
B. Water has very high specific heat
C. Water boils at a comparatively high temperature
D. Evaporation of water produces lot of cooling
Answer is = A

24. Scalding with steam is more severe than scalding by boiling water because
A. Steam can penetrtae thi skin
B. Steam is at a higher temperature
C. Steam contain more energy than boiling water
D. Steam is at a higher pressure
Answer is = C

25. In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as
A. Electroplating
B. Annealing
C. Ga
Answer is = C

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#Everyday_Science_Solved_MCQs 
 1) One of the countries through which equator passes is:  (a) Kenya (b) Malaysia (c) Malta (d) Pakistan 2) Copper can be converted into gold by:  (a) Artificial radioactivity (b) heating (c) Electroplating (d) Chemical reaction  3) The three elements needed for healthy growth of plants are:  (a) N, P, K (b) N, C, P (c) N, K, (d) N, S, P  4) Clocks, which moves with the velocities compareable with the velocity of light, run:  (a) fast (b) slow (c) equal to the velocity of light (d) with zero velocity  5) Max Planck received the noble prize in Physics in 1918 for his discovery of:  (a) electron (b) energy quanta (c) photon (d) positron  6) Bronze medal is made up of metals:  (a) (copper,nickel) (b) (copper, tin) (c) (copper, silver) (d) (copper, zinc)  7) Addison’s disease is caused by the excessive secretion of:  (a) Antiduretic Harmone (b) Luteinising Harmone (c) Melanophore stimulating Harmone (d) Adrenocorticotrophic Harmone  8) Development of calf muscles in ladies who wear high heels is a common example of:  (a) Natural Selection (b) inheritance of acquired character (c) Use and disuse of organ (d) Artificial selection  9) Margalla Hill is a branch of:  (a) Karakorum range (b) Hindukash range (c) Himalaya range (d) Nanga Parbat range  10) Humming bird belongs to a category called:  (a) Ectotherm (b) Endotherm (c) Exotherm (d) Heterotherm.  (a) Oxidation-Loss of an electron (b) Oxidation – gain of an electron (c) Reduction – gain of a neutron (d) Reduction – loss of a neutron (2) Radioactive isotope of Uranium used in Nuclear Bomb is:  (a)92 U 235 (b)92 U 234 c)92 U 233 d)92 U 238  (3) Human population growth is greatest in developing countries because:  (a) the birth rate is high in developing countries (b) the death rate is high in developing countries. (c) much of the population has already reached the child bearing age. (d) most of the world’s population lives in industrialized countries.  (4) Which woody raw material is used for the manufacture of paper pulp?  (a) Cotton (b) Poplar (c) Bagasse (d) Rice straw  (5) Rectified spirit contains alcohol about:  (a) 80% (b) 95% (c) 70% (d) 85%  (6) Which of the following elements is not present abundantly in earth’s crust:  (a) Silicon (b) Radium (c) Aluminum (d) Carbon  (7) The famous book; Al – Qanoun was written by the Muslim scientist:  (a.) Jabar bin Hayyan (b) Zakariya Al – Razi (c) Abu Ali Sina (d) Abdul Qasim Majreeti  (8) Basic metals can be converted into gold by:  (a) Heating (b) Beating (c) Artificial nuclear radioactivity (d) Chemical reaction  (9) A light year is a unit of:  (a) Time (b) Energy (c) Length (d) Mass  (10) One of the main function of the earth’s ozone layer is to:  (a) Prevent global warming (b) Filter out ultraviolet rays (c) Absorb pollution (d) All of the above  41. Insulin is injected into the intestines by  A. Pancreas B. Liver C. Stomach D. Gall bladder  42. Lock Jaw, i.e., difficulty in opening the mouth is a symptom of  A. Cholera B. Plague C. Tetanus D. Diphtheria  43. Which of the following pairs is incorrect?  A. Plague-rats B. Rabies-dog C. Tapeworm-pig D. Poliomyelitis-monkey  44. Match the following columns  Column I Column II  A. Air-borne 1. Tetanus B. Water-borne 2. Tuberculosis C. Contact 3. Cholera D. Wound 4. Syphilis  A B C D  (a) 2 3 1 4  (b) 2 3 4 1  (c) 3 2 4 1  (d) 4 3 2 1  45. Ricketts is a disease of the  A. Bones B. Tissue C. Muscles D. Blood  46. Which of the following statements is correct  A. Pulmonary artery carries pure blood B. Pulmonary artery carries impure blood C. Pulmonary vein carries impure blood D. None of these  47. Lungs are situated in the  A. Abdominal cavity B. Pericardial cavity C. Buccal cavity D. Thoracic cavity  48. The human cell contains  A. 44 chromosomes B. 48 chromosomes C. 46 chromosomes D. 23 chromosomes  49. Enzymes help in  A. Respiration B. Digestion of food C. Immune system D. Reproduction  50. Food is normally digested in the  A. Liver B. Stomach C. Small intestines D. Large intestines  41. a 42. c 43. d 44. b 45. a 46. b 47. d 48. c 49. b 50. c  26. Myopia is a disease connected with  A. Ears B. Eyes C. Lungs D. Brain  27. Leukemia is a disease of the  A. Lungs B. Blood C. Skin D. Nerves  28. Short-sightedness can be corrected by using  A. Convex lens B. Concave lens C. Convex-concave lens D. Concave-convex lens  29. Trachoma is a disease of the  A. Liver B. Eyes C. Lungs D. Kidneys  30. Match the following  Column I Column II  A. Beriberi 1. Vitamin A B. Scurvy 2. Vitamin B C. Rickets 3. Vitamin C D. Night Blindness 4. Vitamin D  A B C D  (a) 3 2 1 4  (b) 2 1 3 4  (c) 2 3 4 1  (d) 2 3 1 4  31. Typhoid and cholera are typical examples of  A. Infectious diseases B. Air-borne disease C. Water-borne disease D. None of these  32. Pyorrhea is a disease of the  A. Nose B. Gums C. Heart D. Lungs  33. Lack of what causes diabetes.  A. Sugar B. Insulin C. Calcium D. Vitamins  34. Appendix is appendix is a part of  A. Small intestine B. Large intestine C. Stomach D. Liver  35. Match the following columns  Column I Column II  A. Cataract 1. Bones B. Jaundice 2. Eyes C. Diabetes 3. Liver D. Arthritis 4. Pancreas  A B C D  (a) 2 3 4 1  (b) 2 3 1 4  (c) 1 3 4 2  (d) 3 2 4 1  36. Bronchitis is a disease of which of the following organs?  A. Blood B. Bladder C. Liver D. Respiratory tract  37. ECG is used for the diagnosis of aliments of  A. Brain B. Heart C. Kidneys D. Lungs  38. Biopsy is done on  A. Tissues taken from a dead body B. Tissues taken form a living body C. Blood from veins D. Blood from arteries  39. Barium is used for  A. Checking blood group B. X-ray of alimentary canal C. X-ray of brain D. None of these  40. Dialysis is used for the treatment of  A. Kidney failure B. Heart weakness C. Brain diseases D. None of these ANSWERS  26. b 27. b 28. b 29. b 30. c 31. c 32. b 33. b 34. b 35. a 36. d 37. b 38. b 39. b 40. a