In plants, water and minerals are transported from roots to the leaves by ____...? Mcqs

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In plants, water and minerals are transported from roots to the leaves by ____...?

(A) Phloem
(B) Xylem

(C) Stomata
(D) Cambium

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The lowest temperature in laboratory thermometer is...?

(A) 10°C
(B) 0°C

(C) 100°C
(D) -10°C

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__________ is the atmospheric layer wherein the weather occurs....?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Thermosphere

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Second ionization energy:...?

(A) is always less than first ionization energy
(B) is always greater than first ionization energy

(C) is equal to the first ionization energy
(D) may be greater or less than the first ionization energy depending on the nature of the element

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Problem solving approach of biology and other sciences called...?

(A) Logical Method
(B) Analytical Method

(C) Scientific Method
(D) Experimental Method

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Substances that react with both acids and bases are called...?

(A) Conjugate acids
(B) Conjugate bases

(C) Amphoteric substances
(D) Buffers

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All of the following statements are incorrect except:...?

(A) Precision and accuracy should go side by side in a scientific work
(B) Scientific work must be precise, accuracy is not essential

(C) Scientific work must be accurate, precision is not essential
(D) Calculations must be made before any experiment

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Sound travels about ___________times faster in water than in air....?

(A) 2
(B) 3

(C) 4
(D) 5

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What Color does chlorophyll not absorb...?

(A) Red
(B) Blue

(C) Green
(D) Yellow

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Which Planet is Called Great Red Spot...?

(A) Neptune
(B) Mars

(C) Jupiter
(D) Mercury

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