Q. Wing becomes a flattened extension of testa in

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Q. Organ of dispersal is tuft of hairs around testa in

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Q. Flowers of grass are usually

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Q. Bracts are commonly found in

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Q. Pollens in wind pollinated flowers are

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Q. In grass, the function of filament is to

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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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