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NEET BIOLOGYMedium

Match the plant with the kind of life cycle it exhibits:

List-I (a) Spirogyra (b) Fern (c) Funaria (d) Cycas

List-II (i) Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte (ii) Dominant haploid free-living gametophyte (iii) Dominant diploid sporophyte alternating with reduced gametophyte called prothallus (iv) Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte

A

(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)

B

(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)

C

(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

D

(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

Step-by-Step Solution

  1. Spirogyra is an alga. Algae typically exhibit a haplontic life cycle where the dominant, photosynthetic phase is the free-living haploid gametophyte .
  2. Fern is a pteridophyte. Pteridophytes exhibit a haplo-diplontic life cycle where the dominant phase is the diploid sporophyte, which alternates with a small, multicellular, free-living gametophyte called a prothallus .
  3. Funaria is a moss (bryophyte). The predominant stage is the haploid gametophyte (with a leafy stage), and the sporophyte is partially dependent on it .
  4. Cycas is a gymnosperm. Gymnosperms are vascular plants with a dominant diploid sporophyte and highly reduced gametophytes .
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