Everyday Science MCQS Set 45

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Everyday Science MCQS


Which type of oscillator is most stable in simple circuit?
Colepitts oscillator
Armstong oscillator
Clapp oscillators
Crystalline oscillators

Which organ of body is affected by cirrhosis
Spleen
Lungs
Joints
Liver

What is the black part of the eye called?
iris
Pores
Pupil
None of these

A perfect number is defined as a number the sum of whose divisor (excluding the number itself, but including 1) is equal to the number itself, 6 is the lowest perfect number , find the second lowest number
14
496
12
28

The cell that lacks a nucleus is
Red blood corpuscles in man
Whit blood corpuscles
Spermatozoan
Flame cell

Which substance was the first organic chemical to be synthesized form an inorganic source?
Aqua regia
Hydrochloric acid
Urea
Hellenic acid

Which one of the following changes occurs when a photographic film is exposed to light
the precipitation of a light sensitive silver salt
the liberation of metallic silver by electrolysis
the reduction of a silver salt to metallic
the oxidation of a silver salt to metallic silver

A trader mixes 26kg of rice at rs. 20 per kg with 30kg of rice of other variety at Rs. 36 per kg and sell is the mixture at Rs. 30 per kg. His profit percent is:
0.1
0.05
0.15
0.08

What organeile is known as the brain of the cell?
Mitochondria
Nucleus
cell membrane
chloroplast

Gypsum is added to clinker during cement manufacturing to?
Bind the particles of calcium silicate
A decrease the rate of setting of cement
Facilitate the formation of colloidal gel
Impart strenght to cement

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