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Question
Largest ovule of plant kingdom belongs to
Largest ovule of plant kingdom belongs to
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Solution
The correct option is A Cycas
The largest ovule of plant kingdom belongs to Cycas.In cycas, the ovules are sessile or shortly stalked orthotropous and unitegmic. The integument is very thick and made of three distinct layers; outer fleshy, middle stoney layer and inner fleshy layers. Inner to integument is a large massive nucellus. The integument surrounds the nucleus completely except the apical region called micropyle. Archegonia containing eggs are present in the nucellus.
In cycas, the ovules are sessile or shortly stalked orthotropous and unitegmic. The integument is very thick and made of three distinct layers; outer fleshy, middle stoney layer and inner fleshy layers. Inner to integument is a large massive nucellus. The integument surrounds the nucleus completely except the apical region called micropyle. Archegonia containing eggs are present in the nucellus.
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