# 1.
- Oxygen Invented By – Joseph Priestley
- Nitrogen Invented by – Daniel Rutherford
- Hydrogen Invented By – Henry
# 2.
- Independence Day of Pakistan – 14th Aug 1947
- Independence Day of India – Hope you All know .
- Independence Day of Bangladesh – 26 March 1971
# 3.
- Tear Gas – Ammonia ( NH3)
- Laughing Gas – Nitrous Oxide ( N2O)
# 4.
- Study of Algae – Phycology
- Study of Fungi –
# 5.
- Longest Wavelength – Red
- Shortest Wavelength – Violet
# 6.
- Unit of Magnetic Flux – Weber
- Unit of Magnetic Induction – Henry
# 7.
- Blind Spot – Also known as Spot of No Vision
- Yellow Spot – Also Known as Spot of Best Vision
# 8.
- When you go from Bright Light to Dark Light – Pupil Enlarge It Size
- When you go from Dark Light to Bright Light – Pupil Contract it Size
# 9.
- Colour of Ferric Salt – Brown
- Colour of Ferrous Salt – Green
# 10.
- Urea Formed in – Liver
- HCL formed in – Stomach
# 11.
- Outer Membrane of Meninges – Dura Mater
- Inner Membrane of Meninges – Pia Matter
# 12.
- Lowest Melting Point – Mercury
- Highest Melting Point – Tungsten
# 13.
- Life Span of RBC – 120 Days
- Life Span of WBC – 3 TO 4 Days
# 14.
- Diseases Caused by Air Pollution – Asthma Diseases Caused by Water Pollution – Gastroe
