A. Transpiration pull
B. Root pressure
C. Ascent of sap.
D. All 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. - A condition in which there is a decrease of oxygen to the tissue despite adequate blood flow to the tissue is_________?
A. Aphasia
B. Dysphasia
C. Hypoxia
D. NoneSubmitted by: Neelam Parri
- 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 - Xylem and phloem are conducting tissues found in ……….?
A. animals
B. plants
C. micro orgamnisms
D. all the aboveSubmitted by: Muhammad Nawaz
- The site/s where most of the uptake of water and minerals take place is/are__________?
A. Root hairs
B. Root cells
C. Underground stem
D. All of these - Commonly in other plants than tall ones the speed of upward movement of water is____________?
A. 8mh-1
B. 1 mh-1
C. 7 mh-1
D. 4 mh-1 - 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. - A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called__________?
A. Phosphodiester linkage
B. Glycosidic bond
C. Peptide bond
D. Hydrogen bond - The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)
A. Deffusion
B. Osmosis
C. Active transport
D. None of these - Which one of the following is an example of a non-elastic connective tissue?
A. Ligaments.
B. Tendon
C. Muscles.
D. None of these
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