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Earn 100

The seed of which among the following plant germinated and flowered after about 2000 years to dormancy?

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Important Questions on Sexual Reproduction in Flowering Plants

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Identify the characters with reference to the plant in which eight nucleated embryo sacs were first studied by Strasburger.

I. Micropyle, chalaza, and funiculus are arranged in the same vertical line in the ovule.
II. Presence of both unisexual and bisexual flowers in the same plant.
III. Filiform apparatus helps in the conduction of food materials from endosperm to egg apparatus.
IV. Long funiculus coils like a watch spring around the ovule.

Identify the correct pair:

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Two plants 'A' and 'B' belonging to Solanaceae are observed. In plant 'A' the number of locules in the ovary a flower is half of that of its carpel number. In plant 'B', the number locules in the ovary of a flower is double the number of carpels, Identify the plants 'A' and 'B' respectively.
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If sexual reproduction takes place between the filaments of Rhizopus of different strains, one with 80 nuclei and another with 24 nuclei, what would be the total number of spores of different strains put together?
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Which of the following statements is correct?
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One of the following has been observed for the first time by Tree :
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How many meiotic divisions are required in a typical flowering plant for the formation of 200 seeds?
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The diploid phase in the life cycle of Spirogyra is represented by
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The terminal sterile portion of an organ, considered to be an equivalent of Angiosperm stamens in Cycas, is known as: