Which organelle contains thread-like structures that store chemical instructions for cell growth and function...? Mcqs

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Which organelle contains thread-like structures that store chemical instructions for cell growth and function...?

(A) Mitochondria
(B) Ribosomes

(C) Chromosomes
(D) Lysosomes

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A region on a longitudinal wave where the particles are furthest apart is called...?

(A) Rarefaction
(B) Compression

(C) Crest
(D) Trough

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A horizontal line that passes through the lens is called ____...?

(A) Focal Point
(B) Optical Centre

(C) Centre of Curvature
(D) Principal Axis

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The electronic device which is used as a switch or amplifier is called ...?

(A) Diode
(B) Resistor

(C) Transistor
(D) Transformer

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Which substance has a pH value closest to neutral...?

(A) Ammonia
(B) Blood

(C) Milk
(D) Organic juice

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Volvox is a polyphyletic genus of _______...?

(A) Green algae
(B) Red algae

(C) Brown algae
(D) None of these

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Which mineral plays a role in developing bones and in metabolic processes...?

(A) Sodium
(B) Iodine

(C) Magnesium
(D) Copper

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When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________...?

(A) Visible
(B) Transparent

(C) Invisible
(D) opaque

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A clouding that develops in the lens of the eye or in its envelope obstructing the passage of light is known as________...?

(A) Glaucoma
(B) Hemophilia

(C) Cataract
(D) Diphtheria

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Blood sugar is measured in:...?

(A) mmHg
(B) mg/deciliter

(C) PPM
(D) Gram/Liter

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