Ategmic ovule is found in

Options

A. sunflower
B. Chenopodium
C. Olax
D. Junglans.

Answer

To solve the question about where atagmic ovules are found, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term "Atagmic Ovule":**
- Atagmic ovules are defined as ovules that lack integuments. Integuments are the protective layers surrounding the ovule.

2. **Identify the Characteristics of Atagmic Ovules:**
- These types of ovules are typically found in certain parasitic plants and are not common in most flowering plants.

3. **Examine the Options Given:**
- Option A: Sunflower
- Option B: Genotodium
- Option C: Olex
- Option D: Junglans

4. **Analyze Each Option:**
- **Sunflower (Option A):** Sunflowers are not known to have atagmic ovules; they have typical ovules with integuments.
- **Genotodium (Option B):** This is not a well-known plant group associated with atagmic ovules.
- **Olex (Option C):** Olex is a genus that belongs to the family Olekaceae, which is known to contain atagmic ovules.
- **Junglans (Option D):** Junglans (walnuts) also do not have atagmic ovules; they have standard ovules with integuments.

5. **Conclusion:**
- Based on the analysis, the correct answer is **Option C: Olex**, as it is the only option that is known to contain atagmic ovules.

### Final Answer:
Atagmic ovules are found in **Olex** (Option C).