Weather and climate are driven by what source(s) of energy ...? Mcqs

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Weather and climate are driven by what source(s) of energy ...?

(A) Earth’s internal heat
(B) Solar radiation

(C) Gravity
(D) Both (a) and (c)

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In night, when photosynthesis is stopped, plants__________...?

(A) take in Carbon Dioxide
(B) give off Oxygen

(C) give off Carbon Dioxide
(D) None of these

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Carbon dating is used for the estimation of the age of ____...?

(A) Rocks
(B) Fossils

(C) Soil
(D) Water

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The muscle which is responsible to straighten the limb is _______...?

(A) Ligament
(B) Skeleton muscle

(C) Flexor
(D) Extensor

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When an oscillating object is in simple harmonic motion, its maximum speed occurs when the object is at its _____...?

(A) Highest point
(B) Lowest point

(C) Equilibrium point
(D) Extreme point

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Root hair is long, thin and tubular structure, it increases surface area which increases the _____...?

(A) Rate of absorption of water
(B) Rate of photosynthesis

(C) Rate of respiration
(D) Rate of growth

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The velocity of a wave is equal to ______...?

(A) Wavelength x Frequency
(B) Wavelength / Frequency

(C) Frequency / Wavelength
(D) Wavelength + Frequency

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Splitting of water in presence of light called...?

(A) Hydrolysis
(B) Glycolysis

(C) Photolysis
(D) None of these

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The average speed of a moving object during a given interval of time is always:...?

(A) the magnitude of its average velocity over the interval
(B) the distance covered during the time interval divided by the time interval

(C) one-half its speed at the end of the interval
(D) its acceleration multiplied by the time interval

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Citric Acid found in ____...?

(A) Lemons
(B) Apple

(C) Mango
(D) Banana

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