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(b) Gases
(c) Water and minerals
(d) None of the above.

Q7 The main function of guard cells is to help with ____________
(a) Transpiration
(b) Guttation
(c) Transcription
(d) None of the above

Q8 The movement of materials from the leaves to other tissues of the plant is called
_________
(a) Tropic movement
(b) Guttation
(c) Transpiration
(d) Translocation

Q9 Phloem are responsible for the transportation of ________ in plants.
(a) Food
(b) Gases
(c) Water and minerals
(d) None of the above.

Q10 The exudation of xylem sap drops on the edges of leaves is called -
(a) Transpiration
(b) Guttation
(c) Condensation
(d) None of the above

SUBJECTIVE

Mark Level

Q1 Define vascular system. 1 E
Q2 Name the vessels responsible for the translocation of water, 1 E
minerals and food in plants.

Q3 Define osmosis. Explain the process osmosis through an 3 Av
experiment.

Q4 What is transpiration? Write its importance. 3 Av