(A) 5
(B) 5.5
(C) 6
(D) 6.5
The answer is: (A) 5
The average adult has a blood volume of about five liters.
Category: Biology MCQs FPSC NTS PPSC Past Papers Test Questions
Biology MCQs quiz test questions with answers for FPSC CSS PPSC NTS SPSC KPPSC test preparation, including questions from biology past papers. Basic Biology MCQ of class 9, 10, 11, 12 and advanced Biology MCQs of BSc, MSc or Masters level.
People living in high altitudes (like mountains) usually have a
(A) smaller number of Red Blood Cells
(B) larger number of Red Blood Cells
(C) smaller number of White Blood Cells
(D) larger number of White Blood Cells
The answer is: (B) larger number of Red Blood Cells
People living in high altitudes (like mountains) usually have a larger number of Red Blood Cells.
Which of the following is not a function of bones?
(A) support
(B) production of blood cells
(C) protein synthesis
(D) muscle attachment
The answer is: (C) protein synthesis
Plants absorb most of the water they need through their
(A) stem
(B) root hairs
(C) leaf
(D) bark
The answer is: (B) root hairs
Which vitamin is important for normal vision?
(A) A
(B) C
(C) D
(D) B complex
The answer is: (A) A
About what percent of the human adult body weight is water?
(A) 20%
(B) 40%
(C) 60%
(D) 80%
The answer is: (C) 60%
Which blood component helps the body fight infections and other diseases?
(A) White Blood cells
(B) Red Blood Cells
(C) Platelets
(D) Plasma
The answer is: (A) White Blood cells
Which blood vessels carry blood towards the heart?
(A) Arteries
(B) Capillaries
(C) Veins
(D) none of these
The answer is: (C) Veins
Which blood vessels carry blood away from the heart?
(A) Arteries
(B) Capillaries
(C) Veins
(D) none of these
The answer is: (A) Arteries
Which element is essential for the formation of haemoglobin?
(A) Iron
(B) Calcium
(C) Magnesium
(D) Sodium
The answer is: (A) Iron