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Question

The diagram given by the side represents the sectional view of
638702_454287a1e4d541e59b54ce0d4fbc9a8b.png

A
Anatropous ovule
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B
Orthotropous ovule
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C
Amphitropous ovule
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D
Campylotropous ovule
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Solution

The correct option is B Orthotropous ovule
The type of ovule shown in the figure is orthotropous type as in this micropyle, chalaza and funicle lie in one straight line.
In anatropous ovule, the body of ovule is completely inverted such that micropyle and funicle lie close to each other.
In amphitropous type, ovule is more curved and embryo-sac is horse-shoe shaped.
In campylotropous type, the ovule is curved and micropyle is directed towards chalaza. Chalaza is situated at right angles to funiculus.
Thus, the correct answer is option B.

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