વિજ્ઞાનની વાટે

• રસાયણનો રાજા - સલ્ફયુરીક ઍસિડ (H2SO4)
• સૌથી ઝેરી પદાર્થ - પોટેશિયમ સાઇનાઇડ
• લોહીમાં આગત્યનું તત્વ - હિમોગ્લોબિન
• લોહીમાં રક્તકણોનું આયુષ્ય - 120 દિવસ
• લોહીમાં શ્વેતકણોનું આયુષ્ય- 2 થી 5 દિવસ
• ચા-કૉફીમાનું ઝેરી તત્વ - ટેનિન
• હાસ્યવાયુ - નાઇટ્રીટ ઑક્સાઇડ
• પ્રોટીનનો બંધારણીય એકમ - એમિનો ઍસિડ
• ચરબીમાં દ્રવ્ય વિટામિનો - એ,ડી,ઇ અને કે
• જલદ્રાવ્ય વિટામિનો - બી કૉમ્પલૅક્સ અને સી
• અફિણમાં રહેલું ઝેરી દ્રવ્ય - મોર્ફિન
• સૌથી ભારે પ્રવાહી - પારો
• સૌથી હલકુ તત્વ - હાઇડ્રોજન
• સૌથી ભારે તત્વ - યુરેનિયમ
• સૌથીસખત ધાતુ - ઇરેડીયમ
• સામાન્ય તાપમાને પ્રવાહી રહેતી અધાતુ - બ્રોમિન
• સામાન્ય તાપમાને પ્રવાહી રહેતી અધાતુ- પારો
• પાણીનું ઉત્કલન બિંદુ - 212 ફે.
• હ્રદયરોગ માટે જવાબદાર તત્વ - કોલેસ્ટેરોલ
• તમાકુમાનું ઝેરી તત્વ - નિકોટીન

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વિજ્ઞાનજગત

1.	Bismuth was discovered by	Valentine
2.	The biggest plant seed is	Cocodemer
3.	Toxicology is the study of	Poisons
4.	Virology is the study of	Viruses
5.	Paleontology is the study of	Fossils
6.	Calorimeter is used to measure	Quantity of heat
7.	Chronometer was invented by	John Harrison
8.	Stethoscope was invented by	William Stockes
9.	Spinning frame was invented by	Sir Richard Arkwright
10.	Al stands for	Aluminium
11.	Gd stands for	Gadolinium
12.	Ir stands for	Iridium
13.	Bi stands for	Bismuth
14.	The Chemical formula of sodium bicarbonate is	NaHCO3
15.	The chemical formula of common salt is	Nacl
16.	The chemical formula of washing soda is	Na2CO3,IOH2O
17.	The chemical formula of lime soda is	CaCO3
18.	The chemical formula of chloroform is	CHcl3
19.	The study of grasses is known as	Agrostology
20.	The study of antiquities is known as	Archaeology
21.	The study of the duration of life is known as	Chronobiology
22.	The study of bacteria is known as	Bacteriology
23.	Nylon was invented by	Dr.Wallace H.Carothers
24.	Electric razor was invented by	Jacob Schick
25.	The symbol of silver is	Ag
26.	The symbol of silicon is	Si
27.	The symbol of titanium is	Ti
28.	Calcium oxide is commonly known as	Quick lime
29.	A deviation of light passing from one medium to another is known as	Refraction
30.	An apparatus for generation of atomic energy is called a	Reactor
31.	A machine used for converting mechanical energy into electrical energy is called a	Generator
32.	The first Indian woman in space was	Kalpana Chawla
33.	The revolver was invented by	Samuel Colt
34.	The refrigerator was invented by	J.Perkins
35.	Which is the only common metal that is liquid at room temperature?	Mercury

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વિશ્વની પ્રખ્યાત-એરલાઇન્સ

Airlines of the world 

No.	Airline	Country
01	B.O.A.C.	ENGLAND
02	Air France	FRANCE
03	Lufthansa German Airlines	W.GERMANY
04	Pan American World Airways System	U.S.A.
05	Trans-world Airways	U.S.A.
06	Aero-flot	U.S.S.R.
07	Alitalia	ITALY
08	Quantas Empire Airways	AUSTRALIA
09	Air-India	INDIA
10	Sabena	BELGIUM
11	Arana Afghan Airlines	AFGHANISTAN
12	Cathay Pacific	HONGKONG
13	Finnair	FINLAND
14	Iberia	SPAIN
15	Japan Airlines	JAPAN
16	Garuda Airways	INDONESIA
17	KLM Royal Dutch	NETHERLANDS
18	Bruathens	NORWAY
19	Scandinavian Airlines System	NORWAY
20	Swissair	SWITZERLAND
21	Pakistan International Airlines	PAKISTAN
22	Royal Nepal Airlines	NEPAL
23	Air-Ceylon	SRI LANKA
24	Thai Airways International	THAILAND

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જનરલ નોલેજનું જગત-1 "અ"

"A" અક્ષરથી જનરલ નોલેજ

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Geographical Discoveries

ભૂ-ભાગોને શોધનાર-ભોમિયાઓ

No.	Discovery	Discoveror	Country	Year
01	South Pole (Explored)	Amundsen	Norway	1911
02	North Pole (Explored)	Robert Edwin Peary	USA	1909
03	Hawaiian Island	Captain James cook	England	1770
04	Australia	Captain James cook	England	-
05	Sea-route to India via the Cape of Good Hope	Vasco-D-Gama	Portugal	1498
06	Course of the Zambesi river,the Victoria Falls	David Livingstone	Scotland	-
07	America	Cristopher Columbus	Italy	1497

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First-Space

No.	અંતરીક્ષમાં પ્રથમ Space First	Name
01	The first man to enter space	Yuri Gagarin (USSR) in 1961
02	The first person to land on the moon	Neil A Armstrong (USA) on July 21, 1969
03	The first woman to enter space	Valentina Tereshkova (USSR) in 1963
04	The first unmanned moon-buggy to explore surface of the moon	Lunokhod-I (USSR)
05	The first spaceship which carried man on the moon	Apollo-11
06	The first person to float (to walk) in space	Alexi Leonov (USSR)
07	The first space vehicle to softland on moon	Luna-9 (USSR)
08	The first reusable space shuttle	Columbia (USA)
09	The first person to walk in space without a safety line	Bruce McCandless (USA)
10	The first satellite to be repaired in orbit	Solar Max
11	The first space rocket to hit the moon	Lunik II (USSR)
12	The first spacecraft to soft-land on Mars	Viking-I (USA)
13	The first artificial earth satellite	Sputnik-I of USSR (1957)

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