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

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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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State of matter that hast fixed volume but not fixed shape is called...?

(A) Solid
(B) Gas

(C) Liquid
(D) None

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Other name of red blood cells is ____________...?

(A) Erythrocytes
(B) Leukocytes

(C) Thrombocytes
(D) None of these

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An undesirable change in the characteristics of air, water and land environment that is harmful to humans and living things is known as...?

(A) Pollutant
(B) Pollution

(C) Climate Change
(D) Global Warning

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Patela is a bone of the ________...?

(A) Skull
(B) Leg

(C) Arm
(D) Chest

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In your body where is the Macula located...?

(A) Knee center of leg
(B) Eye center of Retina

(C) Brain center of Cerebrum
(D) None of these

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Which on of the following planets orbits around the sun in a clockwise direction...?

(A) Earth
(B) Mercury

(C) Jupiter
(D) Venus

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A radioactive nuclide emits a β-particle. The atomic number (proton number) of the nucleus number of ______...?

(A) Stays the same
(B) Decreases by 2

(C) Increases by 1
(D) Decreases by 4

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Which one is a scalar quantity...?

(A) Time
(B) Force

(C) Velocity
(D) Acceleration

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Spider, ticks, and mites belong to which class...?

(A) Insecta
(B) Arachnida

(C) Crustacea
(D) Myriapoda

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