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Question

How many plants in the given list have marginal placentation?

Mustard, Gram, Tulip, Asparagus, Arhar, Sunn Hemp, Chilli, Colchicum, Onion, Moong, Tobacco, Lupin.


A
Four
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B
Five
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C
Six
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D
Three
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Solution

The correct option is B Five
Marginal placentation is a characteristic feature of the family Leguminosae. In this type of placentation, the ovary is monocarpellary apocarpous. The placenta forms the ridge along the ventral suture, along which the ovary walls fuse. Gram, Arhar, Sun Hemp, Moong, Lupin, belong to the family Leguminosae and show the marginal placentation.
Hence, the correct answer is 'Five'

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