Home
Class 11
BIOLOGY
Moss shows diplobiontic life cycle....

Moss shows diplobiontic life cycle.

Text Solution

AI Generated Solution

The correct Answer is:
### Step-by-Step Solution: 1. **Understanding the Life Cycle of Moss**: - Mosses exhibit a life cycle that includes both gametophyte (haploid) and sporophyte (diploid) stages. 2. **Identifying the Stages**: - In moss, the dominant stage is the gametophyte, which is haploid (1N). The sporophyte, which is diploid (2N), is dependent on the gametophyte for nutrition. 3. **Meiosis and Gamete Formation**: - The sporophyte produces spores through meiosis. These spores are haploid and will develop into gametophytes. 4. **Gametogenesis**: - The haploid gametophytes produce male and female gametes through a process called gametogenesis. 5. **Fertilization**: - When male and female gametes fuse during fertilization (syngamy), they form a diploid zygote (2N), which will grow into a new sporophyte. 6. **Conclusion on Life Cycle Type**: - The life cycle of moss is classified as haplodiplontic (not diplobiontic), meaning both the haploid and diploid stages are present and persist for a significant amount of time. 7. **Correcting the Statement**: - The statement that "Moss shows a diplobiontic life cycle" is incorrect. The correct classification is haplodiplontic.
Promotional Banner

Topper's Solved these Questions

  • PLANT KINGDOM

    MODERN PUBLICATION|Exercise COMPETITION FILE (OBJECTIVE TYPE QUESTIONS ) (B. CBSE -PMT (MAIN EXAMINATION ) QUESTION ): Fill in the blanks :|4 Videos
  • PLANT KINGDOM

    MODERN PUBLICATION|Exercise COMPETITION FILE (D. ASSERTION TYPE QUESTIONS : )|9 Videos
  • PLANT KINGDOM

    MODERN PUBLICATION|Exercise COMPETITION FILE (OBJECTIVE TYPE QUESTIONS ) (A. MULTIPLE CHOICE QUESTIONS (MCQs) : )|72 Videos
  • PLANT GROWTH AND DEVELOPMENT

    MODERN PUBLICATION|Exercise CASE BASED SHORT ANSWER TYPE QUESTIONS|1 Videos
  • RESPIRATION IN PLANTS

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|16 Videos

Similar Questions

Explore conceptually related problems

Which one of following algae shows haplo-diplontic life cycle ?

Assertion: Spirogyra shows haplontic life cycle. Reason: Zygotic meiosis occurs in Spirogyra.

How many organisms show diplotic life cycle ? Selaginella, Equisetum , Cycas , Cedrus , Ectocarpus , Fucus , sequoia

Haplontic Life Cycle

Diplontic Life Cycle

Normally algae show a haplontic life cycle. Polysiphonia and focus are exceptions to this rule. The correct option depicting their classes and life cycles is.

Give an example of plants with (a) haplontic life cycle (b) diplontic life cycle (c) haplo diplontic life cycle

Most of the algae show haplontic life cycle pattern and Polysiphonia shows

Assertion: In diplontic life cycle, gametophyte is dominant. Reason: In diplontic life cycle, there is not free living sporophyte.