Q. Approximately how many species ferns have?

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Q. Megasporangium, megaspore, and integument together form the

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Q. Which of following protects pollen from harsh winds as it travels?

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Q. Which of following produce female gametophytes in flowering plants?

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Q. How many total plant phyla are there?

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Q. Which of following produce male gametophytes in flowering plants?

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Q. A structure containing plant embryo and its food supply is called

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Q. In eigeal germination, the cotyledons are carried

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Q. The radicle grows rapidly and pushes against the testa at the

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Q. During germination the seed swells and the testa becomes more permeable to oxygen and

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Q. Proteases enzyme converts the proteins into

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Q. Fats are converted into fatty acids with the action of

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Q. Maize and broad bean are example of germination that is

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Q. Seeds of some desert plants can germinate after _________ years of dormancy

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Q. Dormancy enables the seeds to survive in

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Q. In sunlight the guard cells have increased concentration of ion named as

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Q. Cuticle protect plant from

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Q. Lamina of the leaf is a source to obtain sufficient

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Q. Guard cells are the ones which can make

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Q. Lower epidermis have many openings which are called

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