Biology — Test 44
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Question 1
A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?
Question 2
Stomatal transpiration is __________ of total transpiration
Question 3
___________ function as multisensory hydraulic valve?
Question 4
_________ give rise to macrophages, which destroy larger particles by phagocytosis.
Question 5
Which of the following are proteins in nature?
Question 6
Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?
Question 7
Lenticels look like__________?
Question 8
Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?
Question 9
Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?
Question 10
Which of the following have thickest walls?