Everyday Science MCQs

5120 MCQs  (Page 420 of 512)

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Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?
A. Transpiration pull
B. Root pressure
C. Ascent of sap.
D. All of these
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Which of the following have thickest walls?
A. Arteries
B. Veins
C. Capillaries
D. None of these
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QRS complex represents____________?
A. Atrial systole
B. Ventricular systole
C. Atrial diastole
D. Ventricular diastole
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Tricuspid valve is present_____________?
A. Between right atrium and right ventricle
B. Between left atrium and left ventricle
C. At base of pulmonary artery
D. At base of aorta
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Cooley’s anemia is another name used for___________?
A. Leucemia
B. Thalassaemia
C. Sickle cell anemia
D. None of these
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It is the discharge of blood from blood vessels?
A. Myocardial infarction
B. Cerebral infarction
C. Cerebral hemorrhage
D. Thromboembolism
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All of the follwing are blood clots except:___________?
A. Thrombus
B. Embolus
C. Atheroma
D. Hematoma
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It is the measure of force with which blood pushes up against the walls of blood vessels.
A. Stroke volume
B. Cardiac output
C. Blood pressure
D. Blood flow
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All plants do not possess___________?
A. Lenticels
B. Cuticle
C. Stomata
D. All of these
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Lenticular transpiration is ___________ of total transpiration?
A. 2-3%
B. 1-3%
C. 1-4%
D. 1-2%
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Word of the Day
27 Jul
Widen
make or become wider.
چوڑا ہونا، کشادہ کرنے کا عمل

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