Transpiration — Biology STD 10 — Question

WBC contains haemoglobin.

Hormones are chemically protein in nature.

Potometer is an instrument used for Demonstration of transpiration occurring from the lower surface of a leaf.

The pH of the guard cells increases during day time

(a) Mention whether the following statement is true or false
(b) Correct the false statement by altering the last word only. The cell wall of the root cell is a differentially permeable membrane.

Short-sightedness and hyperopia are one and the same thing.

Osmosis is defined as the movement of water from a concentrated sugar solution to a dilute sugar solution.

Transpiration takes place only in green plants

Land plants obtain their CO 2 from atmosphere.

Plasmolysis makes the cell turgid.