The chemical name of quartz is:...? Mcqs

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The chemical name of quartz is:...?

(A) Silicon Dioxide
(B) Stannous Oxide

(C) Aluminium Oxide
(D) None

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The planet which is easily visible from the Earth is...?

(A) Mercury
(B) Venus

(C) Mars
(D) Jupiter

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Two bulbs are connected in a series circuit. One bulb blows (blast), what will happen to the other bulb...?

(A) Will glow brighter
(B) Also blow (blast)

(C) Remains same
(D) Will glow dimmer

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In middle latitudes, which cloud will have the lowest base ________________________ ...?

(A) Cirrostratus
(B) Stratocumulus

(C) Altocumulus
(D) Cirrus

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Which gas is used for artificial ripening of green fruit ...?

(A) Carbon dioxide
(B) Acetylene

(C) Ethane
(D) Ethylene

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_________ contains ozone layer....?

(A) Thermosphere
(B) Exosphere

(C) Lithosphere
(D) Stratosphere

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Pupa of a bee is also called...?

(A) Egg
(B) Cocoon

(C) Adult
(D) Grub

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The property decides the order of elements in the modern periodic table is ____...?

(A) The number of neutrons in the nucleus
(B) The number of electrons in the outermost shell

(C) The number of protons (atomic number) in the nucleus
(D) The atomic mass of the element

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The process of separating a soluble solid from a solution is known as...?

(A) Distillation
(B) Filtration

(C) Sublimation
(D) Crystallization

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The molecular model of DNA which suggests the basic mechanism replication was proposed by...?

(A) James Watson and Francis Crick
(B) Charles Darwin and Gregor Mendel

(C) Louis Pasteur and Robert Koch
(D) Albert Einstein and Max Planck

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