During a total solar eclipse the rate of Photosynthesis___________...? Mcqs

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During a total solar eclipse the rate of Photosynthesis___________...?

(A) Increase
(B) Decrease

(C) Remain Constant
(D) None of them

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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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The periodic table divided into S, P, d, and f block based on _______...?

(A) Atomic Radius
(B) Electronic Configuration

(C) Ionization Energy
(D) Electron Affinity

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An atom is_____________...?

(A) smallest indivisible particle in an element
(B) smallest particle of an element which can undergo a chemical reaction

(C) building block of an element
(D) always smaller than molecule

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Distance is a _____ quantity....?

(A) Vector
(B) Scalar

(C) Both a and b
(D) None of these

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The sun is _________times bigger than the Earth....?

(A) 105
(B) 107

(C) 109
(D) 111

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Water vapor is ______________...?

(A) A gas
(B) A cloud droplet

(C) A rain drop
(D) A snowflake

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Increase in rate of breathing is due to the following...?

(A) Increase CO2 in blood
(B) Increase O2 in blood

(C) Decrease CO2 in blood
(D) Decrease O2 in blood

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‘Satiety’ is the condition in which patient lacks...?

(A) Talk
(B) Eat

(C) Sleep
(D) Walk

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The critical velocity vc = ______...?

(A) gR
(B) g/R

(C) √gR
(D) √g/R

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