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Online General Science Quiz Set No - 19

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.

181) Persistence of vision is the principle behind:
A) Camera
B) Spectroscope
C) Cinema
D) Periscope

182) pH scale ranges from:
A) 0 - 7
B) 8 - 14
C) 0 - 14
D) None

183) Photo-chemical smog occurs in?
A) cool, dry and sunny climate
B) warm and humid climate
C) warm, dry and sunny climate
D) cool and humid climate

184) Photosynthesis is:
A) An exothermic process
B) An endothermic process
C) A neutral process
D) A thermostatic process

185) Pick the odd one out ?
A) Trojan Horse
B) Java Clients
C) Virus
D) Worms

186) Plants which flower only once in their life time are known as ?
A) Monocarpic
B) Polycarpic
C) Monogeneric
D) Monogamous

187) Polythene is industrially prepared by the polymerization of:
A) Methane
B) Styrene
C) Acetylene
D) Ethylene

188) Potassium nitrate is used in:
A) Salt
B) Glass
C) Fertiliser
D) Medicine

189) Potassium Permanganate is used for purifying drinking water, because:
A) It dissolves the impurities of water
B) It is a sterilizing agent
C) It is an oxidising agent
D) It is a reducing agent

190) Probiotic curd (Yogurt) contains health benefiting good
A) source of energy
B) transgenic genes
C) antibiotics
D) bacteria