Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.
Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.
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When and where does reduction division take place in the life cycle of a liverwort, a moss, a fern, a gymnosperm, and an angiosperm?
When and where does reduction division take place in the life cycle of a liverwort, a moss, a fern, a gymnosperm, and an angiosperm?
What is heterospory? Briefly comment on its significance. Give two examples.
What is heterospory? Briefly comment on its significance. Give two examples.
Explain briefly the following terms with suitable examples: (i) protonema (ii) antheridium (iii) archegonium (iv) diplontic (v) sporophyll (vi) isogamy
Explain briefly the following terms with suitable examples: (i) protonema (ii) antheridium (iii) archegonium (iv) diplontic (v) sporophyll (vi) isogamy
Differentiate between the following: (i) red algae and brown algae (ii) liverworts and moss (iii) homosporous and heterosporous pteridophyte
Differentiate between the following: (i) red algae and brown algae (ii) liverworts and moss (iii) homosporous and heterosporous pteridophyte
Match the following (column I with column II) (a) Chlamydomonas (b) Cycas (c) Selaginella (d) Sphagnum
Match the following (column I with column II) (a) Chlamydomonas (b) Cycas (c) Selaginella (d) Sphagnum
Describe the important characteristics of gymnosperms.
Describe the important characteristics of gymnosperms.
What is the basis of classification of algae?
What is the basis of classification of algae?
Describe briefly the four major groups of Protozoa.
Describe briefly the four major groups of Protozoa.
How are viroids different from viruses?
How are viroids different from viruses?