Which among the following set possess unisexual flowers?

Cucurbita, Papaya, Chara, Sweet potato

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Date palm, Coconut, Castor, Maize

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Cycas, China rose, Onion, Vallisneria

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Marchantia, Pinus, Smilax, Rice

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Solution

The correct option is B
Date palm, Coconut, Castor, Maize

In flowering plants, unisexual flowers can be present on the same plant (monoecious) as in maize, coconut, cucurbita or may be present on separate plants (dioecious) as in Papaya and Date palm. Do note that bisexual flowers are the norm in angiosperms.

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Q. In which of the following secondary growth occurs:

(A) The root of cycas (B) Stem of Pinus
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Q. Read the following options carefully and choose the correctly matched pair.

A- Medicinal plants - Belladonna, Lupin, Trifolium, Muliathi
B- Superior ovary - Potato, China rose
C- Storage adventitious roots - Mustard, Asparagus
D- Endospermic seeds - Wheat, Castor
E- Drupe - Mango, Coconut

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