Skip to main content

💖 Biological____Science💓



1.What is the chemical name of Vitamin E?
🅰️Alpha tocopherol
2. Which Vitamin is also known as retinol?
🅰️Vitamin A
 3. What is Calciferol?
🅰️Vitamin D
4. What is the other name of thiamine?
🅰️Vitamin B1
 5. Which Vitamin is called niacin?
🅰️Vitamin B3
6. Which element is excreted through human sweat?
🅰️Sulphur
7. Pollution of water bodies by which element causes Minamata disease?
🅰️Mercury
8. Accumulation of which chemical leads to kidney stones?
🅰️Calcium Oxalate
9. Which heavy metal causes Itai Itai disease?
🅰️Cadmium
10. Which chemical was used earlier for giving anesthesia to patients?
🅰️Diethyl ether
11. Who is honored as Father of Modern Chemistry?
🅰️Antoine Lavoisier
12. Who invented periodic table?
🅰️Dmitri Mendeleev
13. Which is the most abundant gas in the earth's atmosphere?
🅰️Nitrogen (78.08%)
14. Which gas evolved from  paddy fields and marshes?
🅰️Methane
15. Which toxic element present in automobile exhausts?
🅰️Lead
16. Which gases cause acid rain?
🅰️Sulphur dioxide, Nitrogen oxides
17. Which metal is used in the making of microchips?
🅰️Silicon
18. What is the toxicity caused by silicon called?
🅰️Silicosis
19. Which polymer is used to manufacture electric switches, computer disks etc.?
🅰️Bakelite
20. With which polymer, the cabinets of radio and TV made of?
🅰️Polystyrene
21. Which chemical is used to make rain coats?
🅰️Poly Vinyl Chloride(PVC)
22. Which type of plastics can be recycled?
🅰️Thermoplastics
23. What is the name given to plastics that cannot be recycled?
🅰️Thermosetting plastics
24. Which element is a liquid at ordinary temperature?
🅰️Mercury
25. What is the chemical name of baking soda?
🅰️Sodium bicarbonate
26. What is sodium carbonate commonly known as?
🅰️Washing soda or soda ash
27. What is sodium chloride?
🅰️Table salt
28 What is table sugar?
🅰️Cane sugar (Sucrose)
 29. What is the element present on lead pencils?
🅰️Carbon (graphite)
30. Which gas is found in soda water?
🅰️Co2

Comments

Post a Comment

Popular posts from this blog

Which former Indian president was also one of the most distinguished scientist of India?

Answer: Dr. A.P.J. Abdul Kalam Dr. Kalam’s full name is “Avul Pakir Jainulabdeen Abdul Kalam”  (October 15, 1931 to July 27, 2015) he was an Indian aerospace scientist and politician,who has served as the 11th President of India from 2002 to 2007. Born and raised in Rameswaram, Tamil Nadu, he studied physics and space engineering. For the next four decades, he mainly served as a scientist and scientific administrator in the Defense Research and Development Organization (DRDO) and the Indian Space Research Organization (ISRO) and was closely involved in India’s civil space program and military missile development.He is known as the Missile Man of India because of his research on ballistic missiles and launch vehicle technology.
Post a Comment
Read more

100 Questions on Computer

1.Which button makes alphabets/letters in uppercase and lowercase and numbers to symbols? –Shift 2. When a computer is switched on, the booting process performs__? –Power on self test 3. What is the software frequently utilized by end users called (like Word, PowerPoint)? –Application Software 4. Unit of measurement of the output quality of a printer? –Dot per sq. inch 5. Switching device of fifth generation computer is__? –VLSI 6. The unit KIPS is used to measure the speed of __? –Processor 7. DOS stands for__? –Disk Operating System 8. What is a joy stick primarily in computers used for? –Computer Gaming 9. In 1999, the Melissa virus was a widely publicised__? –E-mail virus 10. COBOL is an acronym for__? –Common Business Oriented Language 11. The ability of an OS to run more than one application at a time is called? –Multitasking 12. What is the functional key to display save-as box? –F12 13. Full form of NOS ? –Network Operating system 14. Something which has easily understood instr...
Post a Comment
Read more

IMPORTANT YOU MUST KNOW✅

★Father of Biology: *Aristotle* ★Father of Physics: *Albert Einstein* ★Father of Chemistry: *Jabir Bin Hayan* ★Father of Statistics: *Ronald Fisher* ★Father of Zoology: *Aristotle* ★Father of History: *Herodotus* ★Father of Microbiology: *Louis Pasteur* ★Father of Botany: *Theophrastus* ★Father of Algebra: *Diophantus* ★Father of Blood groups: *Landsteiner* ★Father of Electricity: *Benjamin Franklin* ★Father of Trigonometry: *Hipparchus* ★Father of Geometry: *Euclid* ★Father of Modern Chemistry: *Antoine Lavoisier* ★Father of Robotics: *Nikola Tesla* ★Father of Electronics: *Ray Tomlinson* ★Father of Internet: *Vinton Cerf* ★Father of Economics: *Adam Smith* ★Father of Video game: *Thomas T. Goldsmith, Jr.* ★Father of Architecture: *Imhotep* ★Father of Genetics: *Gregor Johann Mendel* ★Father of Nanotechnology: *Richard Smalley* ★Father of Robotics: *Al-Jazari* ★Father of C language: *Dennis Ritchie* ★Father of World Wide Web: *Tim Berners-Lee* ★Father of Search engine: *Alan Emtage* ★...
Post a Comment
Read more