Pressure flow theory was proposed by_________?
Pressure flow theory was proposed by_________?
A. H-Van Mohl
B. Dixon
C. Vander wall.
D. Earnst Munch
Pressure flow theory was proposed by_________? Read More »
Biology McqsBiology Mcqs
Open circulatory system can contain_________?
Open circulatory system can contain_________?
A. Red Blood Cells
B. White Blood Cells
C. Haemoglobin
D. All of these
Open circulatory system can contain_________? Read More »
Biology Mcqs95% of the cytoplasm of red blood cells is the___________?
95% of the cytoplasm of red blood cells is the___________?
A. Antibodies
B. Hemoglobin
C. Enzymes
D. Proteins
95% of the cytoplasm of red blood cells is the___________? Read More »
Biology Mcqs_________ give rise to macrophages, which destroy larger particles by phagocytosis.
_________ give rise to macrophages, which destroy larger particles by phagocytosis.
A. Nautrophils
B. Basophila
C. Monocyte
D. Lymphocyte
_________ give rise to macrophages, which destroy larger particles by phagocytosis. Read More »
Biology Mcqs___________ function as multisensory hydraulic valve?
___________ function as multisensory hydraulic valve?
A. Lenticels
B. Guard cells
C. Hydathods
D. All of these
___________ function as multisensory hydraulic valve? Read More »
Biology McqsStomatal transpiration is __________ of total transpiration
Stomatal transpiration is __________ of total transpiration
A. 90%
B. 91%
C. 93%
D. 95%
Stomatal transpiration is __________ of total transpiration Read More »
Biology McqsA pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?
A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?
A. Transpiration pull
B. Root pressure
C. Osmotic pressure.
D. None of these
Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?
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
Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?
Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?
A. Diffusion.
B. Facilitated diffusion.
C. Passive transport.
D. Active transport.
Lenticels look like__________?
Lenticels look like__________?
A. A big pore
B. Stoma
C. Sponge
D. Cars or small protusions
Lenticels look like__________? Read More »
Biology Mcqs