Prepare a list of some animals that are found parasitic on human beings.
Prepare a list of some animals that are found parasitic on human beings.
1 AnswerQuestions and Answers
1 Answer
Both gymnosperms and angiosperms bear seeds, then why are they classified separately?
Both gymnosperms and angiosperms bear seeds, then why are they classified separately?
1 AnswerWrite a note on economic importance of algae and gymnosperms.
Write a note on economic importance of algae and gymnosperms.
1 AnswerMention the ploidy of the following: protonemal cell of a moss; primary endosperm nucleus in dicot; leaf cell of a moss; prothallus cell of a fern; gemma cell in Marchantia; meristem cell of monocot; ovum of a liverwort; and zygote of a fern.
Mention the ploidy of the following: protonemal cell of a moss; primary endosperm nucleus in dicot; leaf cell of a moss; prothallus cell of a fern; gemma cell in Marchantia; meristem cell of monocot; ovum of a liverwort; and zygote of a fern.
1 AnswerName 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.
1 AnswerWhen 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?
1 AnswerWhat is heterospory? Briefly comment on its significance. Give two examples.
What is heterospory? Briefly comment on its significance. Give two examples.
1 AnswerExplain 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
1 AnswerDifferentiate 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
1 AnswerMatch 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
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