A prothallus is

1. a structure in pteridophytes formed before the thallus develops
2. a sporophytic free living structure formedin pteridophytes
3. a gametophyte free living structure formed in pteridophytes
4. a primitive structure formed after fertilisation in pteridophytes

Subtopic:  Pteridophytes |
 66%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh