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प्रश्न
Choose the correct option.
Which is the dominant phase in Pteridophytes?
विकल्प
Capsule
Gametophyte
Sporophyte
Embryo
उत्तर
Sporophyte
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संबंधित प्रश्न
Choose the correct option.
In Bryophytes ______.
Complete the following table.
Groups of algae | Chlorophyceae | Phaeophyceae | Rhodophyceae |
1. Stored food | Starch | ||
2. Cell Wall | Cellulose and algin | ||
3. Major pigments | Chl- a, d and Phycoerythrin |
Answer the following question.
We observe that land becomes barren soon after monsoon. But in the next monsoon it flourishes again with varieties we observed in season earlier. How you think it takes place?
Fern is a vascular plant. Yet it is not considered a Phanerogams. Why?
Answer the following question.
Which of the following nuts will not be enclosed in fruits? What are the peculiar characteristics of these plants? Betel nut/ Areca nut, pine nut, walnut, almond, cashew nut, nutmeg.
Radha observed a plant in rainy season on the compound wall of her school. The plant did not have true roots but rootlike structures were present. Vascular tissue was absent. To which group the plant may belong?
Draw a neat labelled diagram.
Spirogyra
Draw a neat labelled diagram.
Nephrolepis
Identify the plant group on the basis of the following feature:
Seed producing plants
Identify the plant groups on the basis of the following feature:
Spore producing plants