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Online General Science Quiz Set No - 30

General Science questions have been taken from previous years question papers of different competitive examinations such SSC CGL, SSC CHSL, CDS, NDA, Bank, State PSC, Railways, MAT, CAT, etc.

291) The natural dye present in turmeric is known as
A) Cinnamon
B) Phenolphthalein
C) Methyl Orange
D) Curcumin

292) The natural source of hydrocarbon is
A) Crude oil
B) Biomass
C) Coal
D) Carbohydrates

293) The nature of fuse wire is
A) high resistance and low melting point
B) high resistance and high melting point
C) low resistance and high melting point
D) low resistance and low melting point

294) The neutral atom's two isotopes differ in the number of:
A) Electron shells
B) Protons
C) Valence electrons
D) Neutrons

295) The only plant cells without nuclei among the following are ?
A) Root Hairs
B) Cambium Cells
C) Tracheid Cells
D) Companion Cells

296) The other name for phloem is
A) Wood
B) Sclereid
C) Fibre
D) Bast

297) The pair of compounds used as anaesthetic in medicines
A) Nitrogen dioxide, Ether
B) Ether, Ammonia
C) Nitrous oxide, Chloroform
D) Chloroform, Nitrogen dioxide

298) The part of the cell which is essnetial for protein synthesis is?
A) Golgi bodies
B) Ribosomes
C) Chromosomes
D) Chloroplast

299) The percentage of carbon in cast iron is
A) 3 to 5
B) 0.10 to 0.25
C) 0.50 to 1.50
D) 6 to 8

300) The percentage of carbon is the least in:
A) Grey cast iron
B) Wrought iron
C) White cast iron
D) Steel