Biology Mcqs XI [Transport] Online Test 3

Biology Mcqs XI [Transport] MCQS Online Test - 3

Biology Aptitude Test. 15 More Questions from Chapter # 14 Transport.

Q1. A malignant disorder of the haemopoietic tissues, associated with increased number of leucocytes in the blood is:

• Malignant Melanoma
• Leukaemia
• Lymphoma
• Thallassaemia
• Anemia

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Q2. White Blood Cells present in high percentage in our body are:

• Neutrophils
• Eusinophils
• Basophils
• Monocytes
• Lymphocytes

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Q3. An inherited impairment of hemoglobin production is:

• Malignant Melanoma
• Leukaemia
• Lymphoma
• Thal lassaemia
• Anemia

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Q4. Human heart consists of chambers.

• Two
• Three
• Four
• Five
• All are incorrect

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Q5. Right and left ventricles are separated by a thick muscular:

• Inter Atrial Septum
• Left Atrioventricular Septum
• Right Atriovenuicular Septum
• Mitral Valve
• Interventricular Septum

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Q6. The volume of blood pumped per minute by the left ventricle into the systemic circuit is called:

• Atrial Systole
• Cardiac Output
• Cardiac Sound
• Murmurs
• Cardiac Work Load

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Q7. First heart sound “LUB” is produced due :

• Opening of AV-valve
• Opening of Pulmonary Valve
• Opening of Aortic Valve
• Closure of AV-valve
• Closure of Aortic valve

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Q8. The second heart sound DUP is produced due to:

• Opening of AV-valve
• Opening of Pulmonary Valve
• Opening of Aortic Valve
• Closure of AV-valve
• Closure of Aortic valve

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Q9. A normal human heart beats times per minute at rest:

• 55
• 63
• 72
• 80
• 85

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Q10. A defect in one or more of the valves causes a condition known as:

• Athemsclerosis
• Thrombosis
• Cyanosis
• Murmur
• Atrial Septal Defect

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Q11. The stimulus for contractions of the heart originates in a specific region of the rtatrium:

• SA-node
• Purkinje Fibres
• AV-node
• Chordae tendinae
• Ventricular Septum

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Q12. _______ is known as pace maker of the heart.

• AV-node
• Purkinje Fibres
• SA-node
• Chordae tendinae
• Intervenincular Septum

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Q13. Bluish discoloration of the skin and mucous membrane due to excessive concentration of hemoglobin in the blood is:

• Anemia
• Leucopenia
• Hyperkeratosis
• Cyanosis
• Lymphoma

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Q14. Concerning arteries, which statement is not correct?

• Arteries are thick walled vessels.
• The outer layer is tunica external composed of fibrous connective tissue.
• Tunica intimae is inner layer consists of squamous endothelium
• All arteries carry oxygenated blood.
• The arteries are deeply seated and do not collapse when empty

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Q15. Concerning veins, which statement is no correct?

• Veins are thick-walled blood vessels.
• Veins possess less muscles and less elastic fibers.
• Their Lumen is large
• They carry deoxygenated blood except the pulmonary veins.
• They are superficial & collapse when empty.

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