Tuesday, 11 April 2017

General Science Quiz 20






1. Tocopherol is a fat-soluble vitamin is a naturally occuring antioxidant which can be isolated from vegetable oil. Can you name the vitamin?
Vitamin A
Vitamin C
Vitamin E
Vitamin D

2. Who invented circulation of blood in human body?
Alexander Fleming
Thomas Alva Edison
william Harvey
Gregor Mendel

3. The presence of which toxic chemical in martian soil is spoiling any evidence of living organisms on the red planet?
Methane
Perchlorates
Sulphur dioxide
Carbon dioxide clathrate

4. Only one scientist received Nobel Prize in Chemistry twice. Who is the scientist?
Marie Curie
Linus Pauling
Frederick Sanger
Ernest Rutherford

5. Caloris Planitia is one of the largest impact basins in solar system. On which planet is it?
Jupiter
Mercury
Saturn
Venus

6. Oncology is the study of
Teeth
Onions
Liver
Cancer

7. Which of the following authors had contributed to the popularity of the idea of geostationery satellites for telecommunicaiton?
Isaac Asimov
Arthur C Clarke
Ray Bradbury
Robert Heinlein

8. Fat soluble vitamins like vitamin A are stored in which part of the human body?
Skin
Liver
Lungs
Kidney

9. Which one of the following, also called saltpeter, is used to make gunpowder?
Sodium Nitrate
Ammonium nitrate
Potassium Nitrate
Calcium nitrate

10. What is the process in which cells lose water in a hypertonic solution?
Osmosis
Cytosis
Plasmolysis
Crenation

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