NEET JEE CBSE NOTES
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NEET full syllabus test
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Think in silence , Listen in silence
Observe in silence, Understand in silence and Talk only when needed ā”
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Some Important Points :
šBORON :
ā¢In casting of copper as a dioxidizer
ā¢Boron rods used in automic reactor.
ā¢Boron fiber used in bullet proof jacket,
ā¢In composite material of aircraft
ā¢Used in braintumer therapy.
š BORAX :
ā¢As a flux for soldring metal.
ā¢In borex bead test
ā¢In softning of water
ā¢Antiseptic
ā¢Manufacturing of enamels of glazes, tiles.
ā¢For making optical and borosilicals SS.
ā¢Food preservative
šALUMINIUM :
ā¢ Making house hold, untensils, frames, roof,aircrafts.
ā¢ Electric wire.
ā¢Thermite process (In metallurgy of Cr, Mn, Fe)
ā¢For transportin nitric acid.
ā¢AI, Hg used as reducing agent.
ā¢Aluminium powder + Ammonium nitrate.
ā”LEAD [Pb] :
ā¢In making telegraph and telephone wires
ā¢Making bullets
ā¢Making chamber in HSO, process.
ā”ļøNITROGEN :
ā¢In the manufacturing of HNO3, NH3, CaCN2.
ā¢Liquid nitrogen used as refrigrant.
ā¢Inert atmosphere in metallurgy.
ā¢Gas thermometer and electrical bulb
ā”ļøNH3 :
ā¢ Refrigeration
ā¢Manufacturing HNO3, NaHCO3
ā¢Artificial Silk.
ā¢ Urea Formation
ā¢For solvent
ā”ļøHNO3 :
ā¢ Manufacturing of ammonium nitrateas fertilizer.
ā¢In explosive
ā¢ For making nitroglycerine.
ā¢ Making TNT.
ā¢ Pickling against of stainless steel.
ā¢ Etching of Metal
ā¢Oxidizer in rocket fule.
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Red Blood Cells ( RBC ) ā¤ļø also called
Erythrocytes āØ
Ache se ye page dimag me daal loš
Kyuki agar NEET me aisa question aa jata hai toh galti se bhi galat nhi hona chahiye š
Question - Here some information about human RBC are given :
Size = 7.5u
Number = 5 - 5.5 millions
Lifespan = 120 days
Shape = Biconvex
Produced in ( adult ) = Bone marrow
Destroyed in = Spleen
How many informations are correct ?
(a) Five
(b) Six
(c) Four
(d) Three
.
Dhyaan se dekho bas ek GALATš„ŗ hai
Shape = Convex likha hai Jabki concave hona chahiye
Toh answer hoga option (a) Five āØā¤ļø2 289
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Distantly related organisms with similar traits have experienced
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+9š Biological Classification Notes
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Ā©ļø Credit :- Biology Notes šļø
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A peptide hormone which causes dilation of blood vessels and decreases blood pressure is
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Full Syllabus Test SB-NBTS š
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Important Points of NCERT :
š Environmental protection act:- 1986
š Air Act:- 1981(amended in 1987)
š 1990:- Delhi ranked 4th out of 41 most polluted cities in the World.
š All buses run on CNG by- 2002
š Water Act:- 1974
š Chipko movement(Garhwal Himalayas):- 1974
š JFM(Joint Forest Management):- the 1980s
š Montreal Protocol (Canada):- 1987 (amended in 1989)
š The Earth Summit:- 1992 (Rio de Janeiro)
š World Summit:- 2002 (Johannesburg S.A)
š IUCN Red List (2004):- 784 species extinct in last 500 years.
š Joint Forest Management (JFM):- 1980's.
š 1st recombinant DNA:- 1972.
š 1st restriction endonuclease:- 1963.
š 1997:-An American company got patent rights on Basmati rice.
š 1990:- 4 year old girl got ADA deficiency
