Select incorrect statement for diplontic life cycle `:`

Options

A. Diploid sporophyte is the dominant phase
B. Gametophytic phase is represented by the single to few-celled haploid gametophyte
C. Sporophyte is photosynthetic independent phase
D. Bryophytes and pteridophytes exhibit this condition

Answer

To solve the question "Select the incorrect statement for diplontic life cycle," we need to evaluate each of the provided options regarding the diplontic life cycle in plants. Here’s a step-by-step breakdown of the solution:

### Step 1: Understand the Diplontic Life Cycle
The diplontic life cycle is characterized by a dominant diploid sporophyte stage. This means that the main plant body is diploid (2N), and it is the phase that is primarily present during the life cycle of certain plants, particularly gymnosperms and angiosperms.

### Step 2: Analyze Each Statement
Now, let's analyze each of the four options provided:

1. **Option A: The diploid sporophyte is the dominant phase.**
- This statement is **true**. In the diplontic life cycle, the sporophyte (diploid phase) is indeed the dominant phase.

2. **Option B: Gametophytic phase is represented by the single to few celled haploid gametophyte.**
- This statement is also **true**. The gametophyte phase in the diplontic cycle is typically represented by a small, often unicellular or few-celled haploid structure.

3. **Option C: Sporophyte is a photosynthetic independent phase.**
- This statement is **true** as well. The sporophyte in the diplontic life cycle is photosynthetic and independent, meaning it can produce its own food through photosynthesis.

4. **Option D: Bryophytes and pteridophytes exhibit this condition.**
- This statement is **false**. Bryophytes and pteridophytes do not exhibit a diplontic life cycle; instead, they typically show a haplodiplontic life cycle where both haploid and diploid phases are significant.

### Step 3: Identify the Incorrect Statement
From the analysis, we find that **Option D** is the incorrect statement regarding the diplontic life cycle. Bryophytes and pteridophytes do not exhibit this condition; they have a different life cycle pattern.

### Conclusion
Therefore, the answer to the question is:
**Option D: Bryophytes and pteridophytes exhibit this condition.**

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