Organisms that eat all the dead and waste products and returning useful elements to soil and environment are known as...? Mcqs

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Organisms that eat all the dead and waste products and returning useful elements to soil and environment are known as...?

(A) Decomposers
(B) Producers

(C) Consumers
(D) None

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What has no charge, and is one of the fundamental particles making up an atom’s nucleus...?

(A) Electron
(B) Neutron

(C) Proton
(D) All of Above

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White bloods cells are also known as________...?

(A) Thrombocytes
(B) Leucocytes

(C) Erythrocytes
(D) None of These

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Detergents dissolved in water help in cleaning clothes by_________...?

(A) Increasing the temperature of water
(B) Reacting chemically with dirt

(C) Reducing the surface tension of water
(D) Dissolving dirt

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A non-metal atom form anion by ______...?

(A) Loses of electrons
(B) Gain of electrons

(C) Loses of protons
(D) Gain of protons

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Montreal Protocol 1987 was__________...?

(A) Treaty among nations to reduce nuclear arsenals
(B) Climate control treaty

(C) Treaty to protect ozone layer
(D) Trade policy about tarrifs

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The hormone ADH release from ______...?

(A) Pituitary gland
(B) Kidneys

(C) Liver
(D) Lungs

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Moon is a__________...?

(A) Star
(B) Planet

(C) A & B
(D) Satellite

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What causes mumps...?

(A) Fungus
(B) Bacterium

(C) Deficiency of vitamins
(D) Virus

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The fog in winter is caused due to _____...?

(A) Suspended (condensation) water
(B) Smoke

(C) Dust particles in the air
(D) All of these

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