Plant Structure MCQs with Answers

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The 3N (triploid) zygote in angiosperms develops into the endosperm, which serves as nutritive tissue for the developing embryo.

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The part of the root between the epidermis and endodermis is called the cortex.

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The tubular outgrowths of roots, known as root hairs, function to absorb salts and gases from the soil.

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Xylem and Phloem are the conducting tissues (vascular tissues) in plants responsible for transporting water, minerals, and food.

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Plants absorb most of the water they need through their root hairs.

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Spore mother cells produce spores through meiosis, a reduction division that halves the chromosome number.

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When guard cells lose water, they become flaccid and the stoma closes.

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Each megaspore mother cell within the megasporangium produces four megaspores, but typically only one functional megaspore develops into the female gametophyte.

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The condition where male sexual cells (gametes) mature earlier than female cells in the same organism is called Protendrous.

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An inflorescence that looks like a single flower but is actually a cluster of many small florets is called a Capitulum.