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Biology MCQ

The Circulatory System · ICSE STD 10 (ICSE - English Medium). 17 questions.

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17 questions · timed · auto-graded

MCQ 11 Mark
Assertion (A): RBCs contain mitochondria to generate energy.
Reason (R): RBCs lack a nucleus and other organelles.
  • A
    A is True and R is False.
  • ✓
    A is False and R is True.
  • C
    Both A and R are True.
  • D
    Both A and R are False.
Answer
Correct option: B.
A is False and R is True.
(B) A is False and R is True.
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MCQ 21 Mark
Which of the following is correct?
  • A
    Double circulation is a characteristic of all vertebrates.
  • B
    Blood volume in pulmonary circulation is higher than the volume of blood in systemic circulation at any instant.
  • C
    A double aortic arch can be seen in birds and mammals.
  • ✓
    Blood pressure in pulmonary circulation is lesser than that of the systemic circulation.
Answer
Correct option: D.
Blood pressure in pulmonary circulation is lesser than that of the systemic circulation.
(D) Blood pressure in pulmonary circulation is lesser than that of the systemic circulation.
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MCQ 31 Mark
Assertion (A): WBCs can move through blood vessel walls to reach tissues,
Reason (R): This ability allows WBCs to target pathogens directly in the body tissues.
  • A
    A is True and R is False.
  • B
    A is False and R is True.
  • ✓
    Both A and R are True.
  • D
    Both A and R are False.
Answer
Correct option: C.
Both A and R are True.
(C) Both A and R are True.
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MCQ 41 Mark
The artery that supplies blood to all parts of the body is called :
  • A
    pulmonary
  • ✓
    aorta
  • C
    pulmonary arch
  • D
    systematic arch
Answer
Correct option: B.
aorta
(B) aorta
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MCQ 51 Mark
Assertion (A): RBCs are biconcave in shape.
Reason (R): The biconcave shape of RBCs increases their surface area for oxygen exchange.
  • A
    A is True and R is False.
  • B
    A is False and R is True.
  • ✓
    Both A and R are True.
  • D
    Both A and R are False.
Answer
Correct option: C.
Both A and R are True.
(C) Both A and R are True.
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MCQ 61 Mark
____________ is a small branch of an artery that leads into a capillary.
  • A
    Capillaria
  • B
    Areolas
  • ✓
    Arteriole
  • D
    None of these
Answer
Correct option: C.
Arteriole
(C) Arteriole
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MCQ 71 Mark
Which of the following statements is incorrect about double circulation?
  • A
    It occurs only in mammals
  • ✓
    It occurs in all animals
  • C
    It is composed of systemic circulation
  • D
    It is composed of pulmonary circulation
Answer
Correct option: B.
It occurs in all animals
(B) It occurs in all animals
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MCQ 81 Mark
Snake venom usually enters the body through an open wound and enters the bloodstream through the :
  • ✓
    Veins
  • B
    Lymphatic system
  • C
    Arteries
  • D
    None of these
Answer
Correct option: A.
Veins
(A) Veins
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MCQ 91 Mark
Which of the following two-word items mean the same thing?
  • A
    Blood cancer-Haemophilia
  • ✓
    Pacemaker-S A Node
  • C
    Osteoporosis-Arthritis
  • D
    None of these
Answer
Correct option: B.
Pacemaker-S A Node
(B) Pacemaker-S A Node
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MCQ 101 Mark
The normal diastolic blood pressure in a normal healthy adult human is
  • ✓
    80 mm Hg
  • B
    60 mm Hg
  • C
    90 mm Hg
  • D
    110 mm Hg
Answer
Correct option: A.
80 mm Hg
(A) 80 mm Hg
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MCQ 111 Mark
The circulatory system is responsible for transporting __________, which is pumped by the ____________ to reach various tissues and organs.
  • ✓
    oxygen, heart
  • B
    carbon dioxide, lungs
  • C
    waste products, liver
  • D
    hormones, brain
Answer
Correct option: A.
oxygen, heart
(A) oxygen, heart
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MCQ 121 Mark
Platelets are well known as:
  • A
    leucocytes
  • ✓
    thrombocytes
  • C
    lungs
  • D
    liver
Answer
Correct option: B.
thrombocytes
(B) thrombocytes
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MCQ 131 Mark
Red blood cells are also called:
  • A
    thrombocytes
  • B
    lymphatic fluid
  • ✓
    erythrocytes
  • D
    leukocytes
Answer
Correct option: C.
erythrocytes
(C) erythrocytes
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MCQ 141 Mark
Blood cells are manufactured in:
  • ✓
    bone marrow
  • B
    spleen
  • C
    red blood cells
  • D
    platelets
Answer
Correct option: A.
bone marrow
(A) bone marrow
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MCQ 151 Mark
The pH of blood is:
  • A
    8.23 to 9
  • ✓
    7.3 to 7.43
  • C
    6.43 to 7.3
  • D
    5.45 to 8.55
Answer
Correct option: B.
7.3 to 7.43
(B) 7.3 to 7.43
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MCQ 161 Mark
In an adult human body, how many litres of blood is present?
  • A
    10-15
  • B
    16-17
  • C
    2-3
  • ✓
    5-6
Answer
Correct option: D.
5-6
(D) 5-6
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MCQ 171 Mark
Tissue fluid is also called:
  • ✓
    interstitial or intercellular fluid
  • B
    lymphatic fluid
  • C
    enzymes
  • D
    soluble nutrition
Answer
Correct option: A.
interstitial or intercellular fluid
(A) interstitial or intercellular fluid
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