Top-50 : Most Important Questions General Science
1. Who is regarded as Father of medicine ?
Hippocrates.
2. Who is known as father of biology ?
Aristotle
3. How many bones present in human ears ?
6 Bone [ One Ear 3 bones another ear 3 = 6 Bones]
(Malleus,Incus,Stapes) Stapes is smallest bone in human body.
4. Scientist who is known as father of Botany ?
Theophrastus
5. Which device is used to measure very low temperature of objects ?
Cryometer.
6. Who is known as father of Zoology ?
Aristotle
7. Which device is used to measure very high temperature of objects ?
Pyrometer
8. Breaking of tooth enamel starts when the pH level in mouth goes below …………………?
Below 5.5
9. What is the source of energy in sun and stars ?
Conversion of hydrogen into helium and Nuclear Fusion.
10. What is the hearing range of Human ear ?
20 Hz to 20000 Hz
11. Chickenpox caused by ………………?
Virus.
12. Basic unit of classification is ……………..?
Genus
13. What is the life span of RBC ?
120 Days
14. Which device is used to measure Radio activity ?
Gieger Muler Counter
15. What is the natural colour of Litmas Paper ?
Purple.
16. Total number of bone found in child ?
300
17. What is the working principle of washing machine ?
Centrifugation
18. What is the S.I unit of Torque ?
Newton Meter
19. The number of ribs in human body is ?
24
20. Alzheimer affects which parts of human body ?
Brain.
21. What type of element are found in Halogen Group ?
2 gases, 1 liquid and 2 Solid element
22. Number of bone found in skull ?
8
23. Where is pituitary gland located in human body ?
Brain.
24. Which is the smallest flightless bird ?
Kiwi
25. What is the S.I unit of Electrical Conductivity ?
mho (Siemens)
26. Who invented the battery ?
Volta
27. Longest bone found in human body ?
Femur
28. What is the Size of Atom ?
10˄-10 meter (10˄-8 Centimeter)
29. Pair of rips found in man ?
12
30. What is the purpose of Choke in Tube Light ?
Reduce Current in the Circuit
31. There are _______numbers of muscle in human ?
639
32. Which unit is used to measure atomic radius ?
Angstrom and Nanometer
33. Which is the largest human cell ?
Ovum
34. Which rays is not emitted from Radioactive ?
Cathode Rays
35. What is the melting point if ice on Kelvin Scale ?
273K
36. Strongest bone of body is found in …….?
Jaw
37. Name the device which directly converts solar energy into electrical energy ?
Photovoltaic Cell
38. What is the acceleration due to Gravity at center of the Earth ?
0 (Zero)
39. What is the S.I unit of Electro-magnetic induction (EMI) ?
Tesla (Weba/metre2 )
40. Atomic Theory of Metter was given by ……….?
Dalton
41. Fe (Iron) has 26 protons in its Nucleus. What are the number of electronic in Fe2+?
24
42. What effect will be on acceleration due to gravity if the radius of earth is decreased ?
Increase.
43. What is the chemical formula of Ferric Sulphate Crystal ?
FeSo4. 7H2o
44. Energy is stored in liver and muscles in form of ………………?
Glycogen
45. Which gas is most abundant in the Saturn atmosphere ?
Hydrogen
46. Who first discovered Stainless Steel ?
Harry Brearley.
47. Non-Stick cooking utensils are coated with ………….?
Teflon.
48. Why is copper mixed with gold to make jewellery ?
To make gold harder
49. The bone tibia is found in ……………..?
Leg
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