In a normal human body, the total number of red blood cells is ________...? Mcqs

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In a normal human body, the total number of red blood cells is ________...?

(A) 15 trillion
(B) 20 trillion

(C) 25 trillion
(D) 30 trillion

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Chromosomes in the cell which are similar to each other in shape and size are called...?

(A) Homologous pair
(B) Heterologous pair

(C) Sister chromatids
(D) Non-homologous pair

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Cotton contains ______ cellulose....?

(A) 30%
(B) 65%

(C) 85%
(D) 95%

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The biological functions which perform gaseous exchange...?

(A) Photosynthesis
(B) Respiration

(C) Both a and b
(D) Growth

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The part of ear that is visible is called _______...?

(A) External Ear
(B) Pinna

(C) Internal ear
(D) both A & B

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In human osmoregulation takes place by___________...?

(A) Liver
(B) Kidney

(C) Spleen
(D) Lungs

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Which of the following ocean is the most polluted ocean of the world...?

(A) Indian Ocean
(B) North Pacific Ocean

(C) Arctic Ocean
(D) None of the above

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Which of the following Vitamin is required for Normal Blood Circulation ...?

(A) Vitamin A
(B) Vitamin K

(C) Vitamin D
(D) Vitamin E

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The characteristics that an organism inherits from its parents are called...?

(A) Genes
(B) Cells

(C) Traits
(D) Tissues

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Which of the following is not a solid sublime material...?

(A) Glucose
(B) Sodium Chloride

(C) Iodine
(D) Camphor

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