Q5 of 86 Page 148

When the weather is hot, water evaporates lesser which is due to opening of stomata.

False

When weather is hot, water evaporates faster due to opening of stomata.

During day time it is hotter due to heat rays of sun and stomata are open at that time so more water is lost through these openings.

Scientific term used to represent the bending of roots towards water is called geotropism.

Joseph Priestley devised an experiment to find out that water alone was the cause of the increase in the weight of the plant.

The shoot system grows upward in response to ___________

__________ is positively hydrotropic as well as positively geotropic.

Questions · 86

6. Living World of Plants - Plant Physiology

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