Protonema occurs in the life cycle of
Correct answer: B. Funaria
- A. Riccia
- B. Funaria
- C. Anthoceros
- D. Spirogya
Explanation
Protonema occurs in the life cycle of Funaria.The protonema is a juvenile stage of the gametophyte in the life cycle of mosses. It is a filamentous structure that develops from the germinating spore. The protonema can grow and branch extensively, and it eventually gives rise to leafy gametophore shoots.Riccia, Anthoceros, and Spirogyra are all bryophytes, but they do not have a protonema stage in their life cycles. Riccia is a thalloid liverwort, meaning that its gametophyte is a flat, sheet-like structure. Anthoceros is a hornwort, meaning that its sporophyte is horn-shaped. Spirogyra is a green alga, and it does not have a gametophyte-sporophyte alternation of generations. Funaria is the correct answer.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Kingdom Plantae
Plants are multicellular, photosynthetic eukaryotes with cellulose cell walls, chloroplasts and large vacuoles. Coverage includes alternation of generations, vascular and non-vascular plants, seedless and seed-producing groups, gymnosperms and angiosperms, and the distinction between monocot and dicot features.
Practise Biodiversity and Variety of Life
3,130 free Biodiversity and Variety of Life MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.