In onion pink color is due_____ ...? Mcqs

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In onion pink color is due_____ ...?

(A) anthocyanin
(B) Carotene

(C) Xanthophylls
(D) None of these

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The sum of protons and neutrons in the nucleus of an atom is known as ____...?

(A) Atomic Mass
(B) Mass Number

(C) Atomic Number
(D) Valance Number

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Bacteria that are used in producing transgenic plants, such as golden rice, is:...?

(A) E. coli
(B) Mycobacterium

(C) Xanthomonas
(D) Agrobacterium tumefaciens

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The characteristic of sound by which we can differentiate between shrill and grave sound is _____...?

(A) Loudness
(B) Timbre

(C) Tone
(D) Pitch

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Phenomenon in which pair of homologous chromosome fails to separate called...?

(A) Non-disjunction
(B) Terminalization

(C) Synapsis
(D) Linkage

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In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________...?

(A) Electroplating
(B) Annealing

(C) Galvanization
(D) Vulcanization

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Which one of the following is non-biodegradable material...?

(A) Plastic
(B) Manure

(C) Wood
(D) Cotton

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The three elements needed for healthy growth of plants are __________...?

(A) N, P, K
(B) N, C, P

(C) N, K,
(D) N, S, P

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A thermometer is made up of a glass tube which is filled with...?

(A) Water
(B) Air

(C) Mercury
(D) Alcohol

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A fixed temperature at which a pure liquid boils is called ______...?

(A) Melting point
(B) Freezing point

(C) Boiling point
(D) Both 'a' and 'b'

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