Match the columns I and II, ad choose the correct combination from the options given.
`{:("Column I","Column II"),((a)"Haplontic life - cycle","(i) Gymnosperms and Angiosperms"),((b)"Diplontic life - cycle.","(ii) Spirogyra"),((c)"Haplo- diplontic life","(iii) Bryophytes and pteridophytes"):}`

Options

A. a - i, b - iii, c - ii
B. a - iii, b - i, c - ii
C. a - ii, b - i, c - iii
D. a - ii, b - iii, c - i

Answer

To solve the matching question between Column I and Column II regarding the life cycles of plants, we will analyze each life cycle type and its corresponding examples step by step.

### Step-by-Step Solution:

1. **Understanding Haplontic Life Cycle**:
- In the haplontic life cycle, the dominant phase is the gametophytic phase, which is haploid. The sporophytic phase is represented only by the zygote, which undergoes meiosis to produce haploid spores.
- **Example**: Spirogyra (an alga) is a classic example of a haplontic life cycle.
- **Match**: (a) Haplontic life cycle → (ii) Spirogyra.

2. **Understanding Diplontic Life Cycle**:
- In the diplontic life cycle, the dominant phase is the sporophytic phase, which is diploid. The gametophytic phase is reduced and is represented only during gamete formation.
- **Examples**: Gymnosperms and Angiosperms exhibit a diplontic life cycle.
- **Match**: (b) Diplontic life cycle → (i) Gymnosperms and Angiosperms.

3. **Understanding Haplo-Diplontic Life Cycle**:
- The haplo-diplontic life cycle features both haploid and diploid phases that are relatively equal in prominence. Both phases are multicellular.
- **Examples**: Bryophytes (like mosses) and Pteridophytes (like ferns) demonstrate a haplo-diplontic life cycle.
- **Match**: (c) Haplo-diplontic life cycle → (iii) Bryophytes and Pteridophytes.

### Summary of Matches:
- (a) Haplontic life cycle → (ii) Spirogyra
- (b) Diplontic life cycle → (i) Gymnosperms and Angiosperms
- (c) Haplo-diplontic life cycle → (iii) Bryophytes and Pteridophytes

### Final Match:
- A → ii
- B → i
- C → iii

### Correct Combination:
Based on the matches, the correct option is **Option 3**.

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