A : Stomata have delegated the task of providing food while preventing thirst .
R : They are made for gaseous exchange .

Options

A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
C. Assertion is true statement but Reason is false, then mark (3)
D. If both Assertion and Reason are false statements , then mark (4)

Answer

**Step-by-Step Solution:**

1. **Understanding the Assertion (A):** The assertion states that "Stomata have delegated the task of providing food while preventing thirst." This implies that stomata play a role in both food production and water conservation in plants.

2. **Understanding the Reason (R):** The reason states that "They are made for gaseous exchange." This indicates that the primary function of stomata is to facilitate the exchange of gases, such as carbon dioxide and oxygen.

3. **Analyzing the Function of Stomata:**
- Stomata are small pores located on the epidermis of leaves and stems.
- They are surrounded by guard cells that regulate their opening and closing.
- The main function of stomata is to allow the intake of carbon dioxide (CO2) for photosynthesis and the release of oxygen (O2) as a byproduct.

4. **Connecting Assertion and Reason:**
- When stomata allow CO2 to enter the plant, it combines with water (H2O) during photosynthesis to produce glucose (C6H12O6), which serves as food for the plant.
- The process of transpiration, which is the loss of water vapor from the plant, also occurs through stomata. This helps in maintaining water balance and preventing excessive thirst.

5. **Evaluating the Truth of the Statements:**
- Both the assertion and the reason are true:
- The assertion is true because stomata do play a role in food production (via photosynthesis) and water conservation (through transpiration).
- The reason is also true because stomata are indeed designed for gaseous exchange.

6. **Determining the Relationship Between A and R:**
- While both statements are true, the reason does not fully explain the assertion. The reason describes the function of stomata but does not clarify how they contribute to food production and water conservation.

7. **Conclusion:**
- The correct answer is that both the assertion and reason are true, but the reason is not the correct explanation of the assertion. Therefore, the answer is option 2.