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In plants, haploid as well as diploid cells undergo mitosis. Hence, during the life cycle of a sexually reproducing plant, there is an alternation of generation between gametophyte and sporophyte.

  1. Name the dominant phase seen in the life cycle of gymnosperms.

  2. Name three types of life cycles shown by the plants.

  3. What is the difference between the life cycles of bryophytes and pteridophytes?

  4. What value do you learn from the life cycles of plants?

Asked by Topperlearning User 30th July 2014, 4:08 PM
Answered by Expert
Answer:
  1. Sporophyte is the dominant phase seen in the life cycle of gymnosperms.

  2. The three types of life cycles shown by the plants are haplontic, diplontic and haplodiplontic.

  3. In bryophytes, the gametophyte represents the dominant phase. In pteridophytes, the sporophyte represents the dominant phase

  4. All individuals have different ways of implementing their values and culture. Irrespective of these, all should be respected and allowed to live with dignity.

Answered by Expert 30th July 2014, 6:08 PM
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