Most Confusing GK Pointer - Part 20

# 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

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