The atmospheric air is held to the Earth by...? Mcqs

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The atmospheric air is held to the Earth by...?

(A) gravity
(B) winds

(C) clouds
(D) rotation of the Earth

Latest MCQs

Only object of earth can be seen from Moon What it is...?

(A) Hanging Garden
(B) Light House

(C) Wall of China
(D) A Squire

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Conversion of free energy into different forms by living organisms is called...?

(A) Biophysics
(B) Biomechanics

(C) Bioenergetics
(D) Biochemistry

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Orange belongs to the family...?

(A) Malvaceae
(B) Rutaceae

(C) Composite
(D) None of These

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In a photocell light energy is converted into...?

(A) potential energy
(B) chemical energy

(C) heat energy
(D) electrical energy

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For glavinizing of iron which of the following metals is used ...?

(A) Aluminimum
(B) Copper

(C) Zinc
(D) Lead

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Mass of Earth is _____...?

(A) 6.0 x 10^23 kg
(B) 6.0 x 10^24 kg

(C) 6.0 ´ 10^25 kg
(D) 6.0 ´ 10^26 kg

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Which of the following protects the body against infectious disease and foreign invaders...?

(A) Leukocytes
(B) Red blood cells

(C) Endoplasmic reticulum (ER)
(D) Golgi apparatus

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What process takes place between particles of ink and particles of water when a drop of ink is added to water...?

(A) Osmosis
(B) Diffusion

(C) Sedimentation
(D) Decomposition

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Which is the hardest substance in the human body...?

(A) Tooth enamel
(B) Skull

(C) Knee cap
(D) Rib

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