gk science questions and answers science quiz set 1

gk science questions and answers science quiz

1. An eye defect which usually results from an unequal curvature of the cornea is ?


2. The velocity of sound in air (under normal conditions) is ?


3. A photo-electric cell converts ?


4. Which of the following food articles contain only one of the five constituents of diet, viz., fasts, carbohydrates, proteins, mineral salts and vitamins?


5. In which of the following pairs, the two substances forming the pairs are chemically most dissimilar ?


6. Primary rainbow is formed when light suffers ?


7. Which of the following sounds cannot be heard by human ear ?


9. For digestion of fat, bile is needed. This is secreted by the ?


10. Excessive secretion from the pituitary gland in children results in ?


11. How can the spherical aberration of a human eye be corrected ?


12. Astigmatism (for a human eye) can be removed by using ?


13. The clear sky looks blue because of ?


14. Which one of the following statements regarding sound is true ?


16. Which of the following acts as a resistance against disease in the body  ?


17. The chief purpose if crop rotation is to check the loss of topsoil ?


18. Steel is more elastic then rubber because ?


19. A triode differs from a diode in the way that ?


20. On a sudden cardiac arrest, which of the following is advised as a first step to revive the functioning of human heart?


22. The chief constituent of Gobar Gas is ?


23. What is function of a dynamo ?


24. Small amounts of iodine are necessary in our diet to ?


25. Exposure to sunlight helps a person improve his health because ?


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