The Stranger Gas and Heavy Water

 1. Which Noble Gas is known as ' Stranger Gas'?

• Xenon

2. Force of attraction between the molecules of different substances is called..

• Adhesive Force

3. The hearing function is associated with which part of the Human Brain?

• Temporal Lobe (Cortex)

4. Which Acid is called as oil of vitriol?

• Sulphuric Acid

5. Diode Bulb was discovered by?

• Sir J.S. Fleming

6. The gland known as ' Master Gland' in human body?

• Pituitary gland

7. Which instrument is used to measure change in volume of substances?

• Dilatometer

8. What is the SI unit of magnetic flux?

• Weber

9. Human saliva contains the enzyme know as?

• Ptyalin

10. Which mineral element is found in chlorophyll?

• Magnesium

11. What is the SI unit of luminous intensity?

• Candela

12. Study of trees is called?

• Dendrology

13. Which instrument is used to measure the scattering of light by particles suspended in a liquid?

• Nephelometer

14. The term 'catalysis' was coined by?

• Jons Jakob Berzelius

15. The PH value of human blood is?

• 7.35 to 7.45

16. Who explained about the blood circulation for the first time?

• William Harvey

17. Acceleration acts always in the direction of the?

• Net Force

18. Temporary hardness of water is caused because of which compounds?

• Calcium bicarbonate 
• Magnesium bicarbonate

19. Who gave the first experimental value of G?

• Henry Cavendish

20 The part of human eye which regulates the quantum of light entering is?

• Iris

21. Astigmatism can be corrected by using which type of lens?

• Cylindrical lenses

22. What is used in nuclear reactor as a moderator. It is also known as Heavy Water?

• Deuterium Oxide (D2O)

23. The value of which quantity remains same in all system of units?

• Specific Gravity

24. Which part of human brain is the regulating center for swallowing and vomiting?

• Medulla Oblongata

25. What is the chemical name of Picric Acid?

• Trnitrophenol (TNP)

26. Who had showed that the electric and magnetic waves are equal in vacuum?

• James Clerk Maxwell

27. When did Einstein propose that matter can be converted into energy?

• 1905

28. James D. Watson, a Nobel prize winning scientist is expert in the field of ?

• Genetics 

29. Germanium, an ultra-pure metal is purified by which method?

• Zone refining

30. What is the unit of length used in measuring wavelength of light?

• Angstrom

31. An abnormally increased concentration of haemoglobin in the blood, either through reduction of plasma volume or increase in red cell numbers?

• Polycythemia

32. Magnifying glass is made of which type of lens?

• Convex lens

33. The oral polio vaccine was discovered by?

• Jonas Salk

34. Urea, the first organic compound was synthesized in the laboratory by?

• Friedrich Wohler

35. Which enzyme is present in all members of the animal kingdom except Protozoa?

• Amylase

36. Ascariasis is caused by?

• Ascaris lumbricoides 

37. The hydraulic brake used in automobiles is a direct application of?

• Pascal's Law.

38. Which was the first element to be produced after Big Bang?

• Hydrogen

39. Which gas is used in fire extinguishers?

• Carbon dioxide

40. One barrel of oil is equal to how many liters?

• 158.987

41. Radio waves of constant amplitude can be generated with an?

• Oscillator

42. The working of quartz crystal in the watch is based on which effect?

• Piezoelectric Effect

43. The chemical compound is also known as "Baryta Water"?

• Barium Hydroxide

44. The laws of electrolysis were proposed by?

• Michael Faraday

45. Part of the human eye, opening in the center of the iris that determines the quantity of light entering into the eye?

• Pupil

46. Which part of the human brain control Motor skills of the body?

• Frontal lobes

47. What is the chemical in the brain that is associated with the pleasure and reward centers of the brain?

• Dopamine

Note: Contents published here has been taken from various sources for reference purpose. Readers are advised to do their own study before using them in any medium.