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MEDIUM
ENGLISH
Biology
It is the measure of force with which blood pushes up against the walls of blood vessels.
A
Stroke volume
Option A
B
Cardiac output
Option B
C
Blood pressure
Option C
D
Blood flow
Option D
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MEDIUM
ENGLISH
Biology
Which of the following have thickest walls?
A
Arteries
Option A
B
Veins
Option B
C
Capillaries
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
QRS complex represents____________?
A
Atrial systole
Option A
B
Ventricular systole
Option B
C
Atrial diastole
Option C
D
Ventricular diastole
Option D
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MEDIUM
ENGLISH
Biology
Tricuspid valve is present_____________?
A
Between right atrium and right ventricle
Option A
B
Between left atrium and left ventricle
Option B
C
At base of pulmonary artery
Option C
D
At base of aorta
Option D
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MEDIUM
ENGLISH
Biology
Cooley’s anemia is another name used for___________?
A
Leucemia
Option A
B
Thalassaemia
Option B
C
Sickle cell anemia
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
Which of the following are proteins in nature?
A
Antibodies.
Option A
B
Interferons
Option B
C
Antitoxins
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
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
Option A
B
Stomata
Option B
C
Lenticels
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
Lenticels look like__________?
A
A big pore
Option A
B
Stoma
Option B
C
Sponge
Option C
D
Cars or small protusions
Option D
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MEDIUM
ENGLISH
Biology
Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?
A
Diffusion.
Option A
B
Facilitated diffusion.
Option B
C
Passive transport.
Option C
D
Active transport.
Option D
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MEDIUM
ENGLISH
Biology
Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?
A
Transpiration pull
Option A
B
Root pressure
Option B
C
Ascent of sap.
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?
A
Transpiration pull
Option A
B
Root pressure
Option B
C
Osmotic pressure.
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
Stomatal transpiration is __________ of total transpiration
A
90%
Option A
B
91%
Option B
C
93%
Option C
D
95%
Option D
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MEDIUM
ENGLISH
Biology
___________ function as multisensory hydraulic valve?
A
Lenticels
Option A
B
Guard cells
Option B
C
Hydathods
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
_________ give rise to macrophages, which destroy larger particles by phagocytosis.
A
Nautrophils
Option A
B
Basophila
Option B
C
Monocyte
Option C
D
Lymphocyte
Option D
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MEDIUM
ENGLISH
Biology
95% of the cytoplasm of red blood cells is the___________?
A
Antibodies
Option A
B
Hemoglobin
Option B
C
Enzymes
Option C
D
Proteins
Option D
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MEDIUM
ENGLISH
Biology
Open circulatory system can contain_________?
A
Red Blood Cells
Option A
B
White Blood Cells
Option B
C
Haemoglobin
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
Pressure flow theory was proposed by_________?
A
H-Van Mohl
Option A
B
Dixon
Option B
C
Vander wall.
Option C
D
Earnst Munch
Option D
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MEDIUM
ENGLISH
Biology
The opening and closing of stomata is directly controlled by the___________?
A
Temperature
Option A
B
pH
Option B
C
Light
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
There are _________ hypothesis which may explain opening and closing of stomata?
A
One
Option A
B
Two
Option B
C
Three
Option C
D
Four
Option D
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MEDIUM
ENGLISH
Biology
Low level of CO2 favours _________ of the stomata.
A
Opening
Option A
B
Closure
Option B
C
Both of these
Option C
D
None of these
Option D
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