Most important and highly repeated MCQs in all past test series of PPSC NTA FPSC MDCAT SPSC KPSC.
The practice test MCQs with answers
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?
Sulfur
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 the 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 is present in automobile exhausts?
Lead
16. Which gases cause acid rain?
Sulfur 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, are the cabinets of radio and TV made of?
Polystyrene
21. Which chemical is used to make raincoats?
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