A) fungi
B) algae
C) like monocotyledon seeds
D) like dicotyledon seeds
Correct Answer: A
Solution :
Mushroom (Agaricus sp.) is a fungus which is widely being used as food. The fruiting bodies called basidiocarps of Agaricus arise in concentric rings called fairy rings or fungal flowers. Basidiocarp is a massive structure which consists of a stalk like portion the stipe supporting at the top a broad umbrella shaped cap the pileus. Algae are simple thallose autotrophic, non-vascular plants having unicelled sex-organs and no embryo formation. Seed is mature integumented megasporangium. On the basis of embryo structure the seeds have been classified into two categories: [a] Monocotyledonous seed: The embryo has only one cotyledon. [b] Dicotyledonous seed: The embryo has two cotyledons.
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