A. Transpiration pull
B. Root pressure
C. Osmotic pressure.
D. None of these
Related Mcqs:
- Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap
A. Increases.
B. Lowers.
C. Doesn’t effect.
D. Maintains. - _________________ cells of phloem are directly involved in transport of organic solutes?
A. Parenchyma
B. Companion cell
C. Tracheid
D. Sieve element - The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called________?
A. Homeostasis
B. Hemostasis
C. Osmoregualtion
D. Thermoregulation - 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 - Xylem and phloem are conducting tissues found in ……….?
A. animals
B. plants
C. micro orgamnisms
D. all the aboveSubmitted by: Muhammad Nawaz
- 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. - Empty diatom cells are called___________?
A. Raphe
B. Valves
C. Frustule
D. Girdles - branches of biology and medicine concerned with the structure and function of plant and animal cells is called___________?
A. Nephrology
B. Semiology
C. Orology
D. CytologySubmitted by: Rana Wasim Jamil
- Malphighian tubules absorb waste materials and salts from__________?
A. Blood
B. Lymph
C. Gut
D. Hemolymph - Which of the following filtrate contains excessive amount of amino acids, glucose, and salts?
A. Glomerular filtrate
B. Filtrate passing through ascending limb
C. Filtrate passing through distal conveluted tubule
D. Filtrate passing through collecting tubules
