Lower Division Clerk Exam Model Questions General Science Model Questions and Answers for preparing Kerala PSC Lower Division Clerk [LDC] Examination and other PSC examinations. 1. The red blood cells originate in the: (a) Bone marrow (b) Brain (c) Ligaments (d) Muscles Answer: (a) Bone marrow 2. Who, amongst the following, is credited with the discovery of penicillin? (a) Edward Jenner (b) Louis Pasteur (c) Alexander Flemings (d) William Harvey Answer: (c) Alexander Flemings 3. Which of the following is essential for the plants to help them in the formation of chlorophyll? (a) Calcium V (b) Magnesium (c) Potassium (d) Phosphorus Answer: (b) Magnesium 4. Which of the following instruments is used for measuring the approximate height above ground level? (a) Altimeter (b) Anemometer (c) Manometer (d) Micrometer Answer: (a) Altimeter 5. Cellulose is a? (a) Carbohydrate (b) Fat (c) Protein (d) None of the above Answer: (a) Carbohydrate 6. The other name of Vitamin C is? (a) Formic acid (b) Acetic acid (c) Ascorbic acid (d) Riboflavin Answer: (c) Ascorbic acid 7. Who is credited with the discovery of neutron? (a) Chadwick (b) Bohr (c) Newton (d) Rutherford Answer: (a) Chadwick 8. The white blood cells, which play a very important role in protecting the body against disease-producing organisms? (a) Are larger in size and fewer in number than the red blood cells (b) Have the same size but are fewer in number than the red blood cells (c) Are larger in size and have nearly the same number as the red blood cells (d) Have the same size and the same number as the blood cells Answer: (a) Are larger in size and fewer in number than the red blood cells 9. What is the range of heart beat of a normally healthy person per minute? (a) 90 - 100 times (b) 80 - 90 times (c) 70 - 80 times (d) 60 - 70 times Answer: (c) 70 - 80 times 10. A solid piece of iron sinks in water but floats in mercury. This is because the: (a) Average density of water and mercury is less than that of iron (b) Density of iron is less than that of water as well as mercury (c) Density of iron is more than that of water as well as mercury (d) Density of iron is more than that of water but less than that of mercury Answer: (d) Density of iron is more than that of water but less than that of mercury Read more at: keralapscblog/2014/05/lower-division-clerk-exam-model.html
Posted on: Thu, 01 May 2014 04:16:15 +0000
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