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In CAM plants, stomata open during...

In CAM plants, stomata open during

A

Day time

B

Night

C

Day and night

D

Always

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding CAM Plants**: CAM stands for Crassulacean Acid Metabolism. These plants are adapted to survive in arid conditions where water conservation is crucial. 2. **Stomata Function**: Stomata are small openings on the surface of leaves that allow for gas exchange (taking in carbon dioxide and releasing oxygen). However, they also allow water to escape. 3. **Water Loss in High Temperatures**: In hot and dry environments, stomata can lead to significant water loss. Therefore, plants need to find a way to minimize this loss while still being able to perform photosynthesis. 4. **Timing of Stomata Opening in CAM Plants**: To reduce water loss, CAM plants have evolved to open their stomata at night when temperatures are cooler and humidity is higher. This allows them to take in carbon dioxide without losing as much water. 5. **Conclusion**: Based on this adaptation, in CAM plants, stomata open during the night to minimize water loss. 6. **Correct Answer**: Therefore, the correct answer to the question is option 2: night. ---
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Which of the following statement are not true? (a) In CAM plants, stomata open during dark and remain closed during the day. (b) Role of Na^(+) in stomatal opening is now universally accepted. (c) Water potential of root cells is higher than water potential of soil. (d) Capillarity theory most accepted theory of water movement through plants. (e) Wall of xylem vessels made up of lignocelluloes has strong affinity for water molecules.

Which of the following statement is/are not true (A). In CAM plants stomata open during dark and remain closed during the day (B). Role of Na^(+) in stomatal opening in now universally accepted (C). The water potential of roots cells is higher than the water potential of soil (D). Capillarity theory is the most accepted thory of water movement through plants. (E). The walls of xylem vessels made up of ligno-cellulose have strong affinity for water molecules

Stomata opens

In maximum plants stomata open during day and closed in night. Its exception is

Stomata open during day due to

Assertion : CAM plants lack structural compartmentation of leaf, as found in C_(4) plant Reason : Stomata of CAM plants are open during the day.

Which one keeps its stomata open during and closed

In most of the thin leaf mesophytes, the leaf stomata open during day and close night. It comes under