Q. In grass Ischaemum, the upper spikelet is

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Q. From how many years megaphylls started appearing in fossil record?

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Q. Which of following term describes drying out of plants?

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Q. Which of following makes walls of spores hard and resistant to environment?

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Q. How much of earth's land surface is covered by peatland?

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Q. Which of following are small pores that allow gas exchange in plants?

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Q. Which of following is not an example of avascular plants?

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Q. Which of following strengthens cell walls of xylem cells?

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Q. What percentage of world's soil carbon is present in peatlands?

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Q. Which of following term is used to refer to land plants?

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Q. Which of following structures is localized area of cellular division at tip of shoots and roots?

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Q. Which of following is mass of green one cell thick filaments formed by mosses?

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Q. Groups of sporophyll that form corn like structures are called

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Q. What is maximum height that a non-vascular plant can grow?

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Q. Plants that have naked seeds are classified in which of following groups?

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Q. How many spores a single moss can generate?

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Q. How old are earlier fossils of vascular plants?

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Q. Which of following is true for sporocytes?

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Q. Which of following is known as peat moss?

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Q. Which of following structures were male gametangia of ancient plants?

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