What regulates the flow of water through the xylem...? Mcqs

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What regulates the flow of water through the xylem...?

(A) Passive transport by the endodermis
(B) The number of companion cells in the phloem

(C) The evaporation of water from the leaves
(D) Active transport by sieve-tube membrane

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Pathology is the study of____________...?

(A) Ethics
(B) Disease

(C) Future
(D) Cancer

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Coleoptile is a structure found in _____...?

(A) Maize Seed
(B) Bean Seed

(C) Both A and B
(D) None

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Which metal is called “metal of hope”...?

(A) Uranium
(B) Titanium

(C) Gold
(D) Platinum

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Which best describes milk...?

(A) Slightly Acidic
(B) Slightly Basic

(C) Strongly Acidic
(D) Strongly Basic

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If you travel to the Moon your weight will change because:...?

(A) The pull of gravity is weaker there than on Earth
(B) The pull of gravity is stronger there than on Earth

(C) The pull of space is stronger than on earth
(D) The pull of Sun is bigger than on Earth

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If we reverse the direction of electric current, then the direction of the magnetic field will be...?

(A) Reversed
(B) Remain same

(C) Become tangent
(D) Become normal

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A suspension of fine solid particles or liquid droplets, in air or another gas is called an...?

(A) Pneumatic
(B) Hydraulic

(C) Aerosols
(D) None

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A reaction in which a new single compound is formed by the union of two or more substances is known as...?

(A) Decomposition Reaction
(B) Oxidation Reaction

(C) Addition Reaction
(D) Neutralization

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Which human hormone is called love hormone...?

(A) Oxytocin
(B) Melatonin

(C) Adrenalin
(D) Renin

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