Question

Transpirational pull will be maximum under which set of the following conditions?
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> [Review Questions - Pg No.64 - MCQ - 1(a)]

• A. Open stomata, dry atmosphere & moist soil
• B. Open stomata, high humid atmosphere & dry soil
• C. Open stomata, high humid atmosphere & well irrigated soil
• D. Closed stomata, dry atmosphere & dry soil

Answer 1

The correct option is A Open stomata, dry atmosphere & moist soil

Different factors affecting the rate of transpiration are:

Cellular Factors

The cellular factors affecting the rate of transpiration are:

1. The orientation of leaf,
2. The water status of the plant,
3. Structural Peculiarities of the leaf,
4. Total number and distribution of stomata in a leaf.

Environmental Factors

The environmental factors affecting the rate of transpiration are:

1. Light,
2. Humidity,
3. Temperature,
4. Atmospheric pressure,
5. Wind speed or velocity.