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*MOST IMPORTANT BIOLOGY QUESTIONS*
1. Somatotropin is another name for – Growth Harmone
2. Rhodopsin, which is also called visual purple, is located in which part of the human body? – Eye
3. Which of the following is a fat-soluble vitamin that plays a role in blood clotting, bone metabolism and regulating blood calcium levels? – Vitamin K
4. Xerophthalmia is caused due to the deficiency of which vitamin? – Vitamin A
5. Tendons and ligaments are – Connective Tissue
6. The term cell was first coined by – Rober Hook
7. Cow milk is yellowish white in colour due to presence of - Carotene together with casein
8. The brain is a part of the …………. System. – Nervous
9. ________ is the tube that carries urine from the kidney to the urinary bladder. – Ureter
10. Conjunctivitis is an infection primarily related to – Eye
11. The ability of the eye to see in the dark, is due to the production a purple pigment known as – Rhodospin
12. The left aortic arch is observed in – Mammal
13. Widal test is done to detect: - Typhoid
14. Which of the following vitamins is synthesized by the liver? – Vitamin K
15. Which part of the body is responsible for the manufacture of red blood cells? – Bone marrow
16. Which of the following glands is present between the lungs? – Thymus
17. Protein sysnthesis occurs in which of the cell organalle? – Ribosome
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📚 chemistry formula 📚
1. Oxygen — O₂
2. Nitrogen — N₂
3. Hydrogen — H₂
4. Carbon Dioxide - CO₂
5. Carbon Monoxide - CO
6. Sulfur Dioxide — SO₂
7. Nitrogen Dioxide - NO₂
8. Nitrogen monoxide (nitric oxide) - NO
9. Dinitrogen Oxide (Nitrous Oxide) - N₂O
10. Chlorine - Cl₂
11. Hydrogen chloride — HCl
12. Ammonia - NH₃
Acid
13. Hydrochloric Acid - HCl
14. Sulfuric Acid - H₂SO₄
15. Nitric Acid - HNO₃
16. Phosphoric Acid - H₃PO₄
17. Carbonic Acid - H₂CO₃
Alkali
18. Sodium Hydroxide - NaOH
19. Potassium Hydroxide - KOH
20. Calcium Hydroxide - Ca (OH) ₂
Salt
21. Sodium chloride — NaCl
22. Carbonate Sodium — Na₂CO₃
23. Calcium Carbonate - CaCO₃
24. Calcium Sulphate - CaSO₄
25. Ammonium Sulfate - (NH₄) ₂SO₄
26. Nitrate Potassium — KNO₃
Commercial and Chemical Names of Common Chemicals
Business Name - IAPUC Name - Molecule Formula
27. Chalk - Calcium Carbonate - CaCO₃
28. Grapefruit - Glucose - C6H₁₂O6
Alcohol - Ethyl 29. Alcohol - C₂H5OH
30. Caustic Potash - Potassium Hydroxide - KOH
31. Eating Soda - Sodium Bicarbonate - NaHCO₃
32. Lime - Calcium Oxide - CaO
33. Gypsum - calcium sulfate - CaSO₄.2H₂O
34. T.N.T. - Tri Nitro Tallinn - C6H₂CH₃ (NO₂) ₃
35. Washing Soda - Sodium Carbonate - Na₂CO₃
36. Blue Thoth - Copper Sulphate - CuSO₄
37. Molar - Ammonium Chloride - NH₄Cl
38. Alum - Potassium aluminum sulfate - K₂SO₄Al₂ (SO₄) ₃.24H₂O
39. Quenched lime - calcium hydroxide - Ca (OH) ₂
40. Starch - Starch - C6H10O5
41. Laughing gas - nitrous oxide - N₂O
42. Red medicine - potassium permanganate - KMnO₄
43. Red vermilion - lead paraxide - Pb₃O₄
44. Dry Ice - Solid Carbon-D-Oxide - CO₂
45. Nitre - Potassium nitrate - KNO₃
46. Vinegar - dilute solution of acetic acid - CH₃COOH
47. Suhaga - Borax - Na₂B₄O7.10H₂O
48. spirit - methyl alcohol - CH₃OH
49. Slate - Silica Aluminum Oxide - Al₂O₃2SiO₂.2H₂O
50.Green Case - Ferric Sulphate - Fe₂ (SO₄) ₃
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