What is the colour of phenolphthalein indicator in basic medium...? Mcqs

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What is the colour of phenolphthalein indicator in basic medium...?

(A) Red
(B) Yellow

(C) Pink
(D) Blue

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A crescograph is a device for measuring the growth in __________...?

(A) Micro Organism
(B) Plants

(C) Human
(D) Pollution

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Which instrument is used to measure the power of electric circuit ...?

(A) Wavemeter
(B) Viscometer

(C) Wattmeter
(D) None of these

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The earth surface & crust constantly evolving due to ...?

(A) Rotary cycle
(B) Normal cycle

(C) Rock cycle
(D) Change cycle

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A group of similar cells combine together to form _____...?

(A) Organ
(B) System

(C) Cell
(D) Tissue

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In night, when photosynthesis is stopped, plants__________...?

(A) take in Carbon Dioxide
(B) give off Oxygen

(C) give off Carbon Dioxide
(D) None of these

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What fear do people with haphephobia have...?

(A) fear of dogs
(B) fear of helicopters

(C) fear of touch
(D) fear of houses

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Bio elements considered as vital for life are ______ members or in numbers....?

(A) 13
(B) 12

(C) 14
(D) 16

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Biopsy is done on tissues taken from__________...?

(A) Human body
(B) Animal body

(C) Living body
(D) Dead body

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Which one is the brightest star in the night sky...?

(A) Betelgeuse
(B) Sirius

(C) Rigel
(D) Polaris

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