Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?
A. Hydathods
B. Stomata
C. Lenticels
D. None of these
Biology Mcqs
Which of the following are proteins in nature?
Which of the following are proteins in nature?
A. Antibodies.
B. Interferons
C. Antitoxins
D. All of these
Cooley’s anemia is another name used for___________?
Cooley’s anemia is another name used for___________?
A. Leucemia
B. Thalassaemia
C. Sickle cell anemia
D. None of these
Tricuspid valve is present_____________?
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
QRS complex represents____________?
QRS complex represents____________?
A. Atrial systole
B. Ventricular systole
C. Atrial diastole
D. Ventricular diastole
Which of the following have thickest walls?
Which of the following have thickest walls?
A. Arteries
B. Veins
C. Capillaries
D. None of these
It is the measure of force with which blood pushes up against the walls of blood vessels.
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
All of the follwing are blood clots except:___________?
All of the follwing are blood clots except:___________?
A. Thrombus
B. Embolus
C. Atheroma
D. Hematoma
It is the discharge of blood from blood vessels?
It is the discharge of blood from blood vessels?
A. Myocardial infarction
B. Cerebral infarction
C. Cerebral Hemorrhage
D. Thromboembolism
The flow of lymph is maintained by__________?
The flow of lymph is maintained by__________?
A. Movement of viscera
B. Breathing movements
C. Valves
D. All of these