Wednesday, 10 February 2016

EVERY DAY SCIENCE -1


1. Entomology is the science that studies
(a) Behavior of human beings
(b) Insect s
(c) The origin and history of technical and scientific terms
(d) The formation of rocks
Answer: (b)

3. Trachoma is a disease of the
(a) Brain (b) Larynx
(c) Ear (d) Eye
Answer: (d) 

3. Fathom is the unit of measurement of
(a) Depth of water (b) Flow of water
(c) Volume of water (d) Density of water
Answer: (a)

4. All of the following diseases are caused by viruses, except
(a) Jaundice (b) Influenza
(c) Typhoid (d) Mumps
Answer: (c)

5 Plant s make their food by the process called photosynthesis. Which of the following are needed in this process?
(a) Sunlight, water and nitrogen
(b) Sunlight, water and hydrogen
(c) Sunlight, water and oxygen
(d) Sunlight, water and carbon dioxide
Answer: (d)

6. Which of the following devices is needed for converting alternating current into direct current?
(a)Dynamo       (b) Rectifier
(c) Transformer (d) Transducer
Answer: (b)

7. All of the following organs in the human body are located both on the right and the lef t sides, except
(a) Lungs (b) Kidneys
(c) Spleen (d) Eyes
Answer: (c)

8. Some organs in the human body lie partly on the lef t side and partly on the right side. The example of this is
(a) Heart (b) Pancreas
(c) Spleen (d) None of the above
Answer: (b)

9. Physiology is the study of the
(a) S tructure of the body   (b) Cells in the body
(c) Functions of the human body (d) All of the above
Answer: (c)

10. All of the following are closely allied to Physiology, except
(a) Bio-chemistry (b) Cytology
(c) Entomology (d) Physics
Answer: (c)

11. Sodium depletion occurs in excessive sweating, and cannot be corrected by drinking water alone. When uncorrected, it may lead to
(a) Muscle cramps, loss of energy, fatigue and faintness
(b) Increase of urea in blood
(c) Swelling of ankles and feet
(d) Renal failure
Answer: (a)

12. Which of the following regulates and controls the entry of light into the human eye?
(a) Anterior chamber (b) Comea
(c) Iris (d) Retina
Answer: (c)

13. Retina in the eye acts as a
(a) Lens in the camera  (b) Shutter in the camera
(c) Film in the camera  (d) None of the above
Answer: (a)

14. The heart of a normal adult human being weighs about
(a) 200 grams (b) 300 grams
(c) 400 grams (d) 500 grams.
Answer: (b)

15. In a normal human adult (at resting position), how much blood does the heart pump per minute?
(a) 1 litre(b) 3 litre
(c) 5 litre(d) 7 litre

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