Alternation of generations in plants refers to the fact that plants make a multicellular haploid structure (free living in some or in the flower in angiosperms) via meiosis and subsequent mitosis and then make gametes through mitosis. These gametes undergo fertilization toproudece a multicellular free living plant that is diploid. The result is that there is a multicellular haploid generation and a multicellular diploid gerneations which alternate.

A. True
B. False

True.

Explanation:

The life of a plant alternates between haploid and diploid generations. From a fully matured diploid plant (2n) which is known as sporophytic generation a lot of spores which are haploid are produced by the process of meiosis. By the process of mitosis, these spores then develop into new multi-cellular plant which is also haploid just like spores (n), this phase of plant life cycle is known as gametophytic phase. This haploid plant is capable of producing gametes (n) which are also haploid. When two such gametes from the same or different plant fuse with each other a diploid cell is produced which is known as zygote (2n). This zygote subsequently divides and grows into a diploid plant which is a part of sporophytic generation. This is how the entire life cycle of various plants alternate between gametophytic and sporophytic phase.

This diploid plant then later again produces spores and the cycle of reproduction goes on in the same manner as described above.

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