Question

Name the following: [5]

a) Process by which water is sucked up through xylem as a result of water loss by the plant body.

b) Force exerted by blood on the walls of the arteries.

c) Pressure developed in the roots that help in upward movement of plant sap.

d) Another term for complete or bisexual flower.

e) Sequence of events during one comp​

Answer 1

Answer :-

a) Transpiration pull

Transpiration pull is the force by which water is pulled inside the xylem tissue. Due to this suction force loss of water in the form of vapour occurs.

b) Blood pressure

Blood pressure is the force exerted by the blood on the walls of arteries to circulate the blood throughout the body.

c) Root pressure

Root pressure that occurs in the root help plant in upward movement of plant through xylem. The upward movement of water in plant is called ascent of sap.

d) Hermaphroditic plants

Hermaphroditic plants have both male and female part inside the flower and are also called as complete or bisexual plant.

Answer 2

Answers:

a) Transpiration

b) Blood pressure

c) Osmotic pressure

d) synoecios

e) execuation cycle

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