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Question
When micropyle, chalaza and hilum lie in a straight line, the ovule is said to be.
When micropyle, chalaza and hilum lie in a straight line, the ovule is said to be.
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Solution
The correct option is B Orthotropous
Anatropous ovuleThe body of the ovule becomes completely inverted during the development. So that the micropyle lie very close to the hilum. e.g. gamopetalous membersOrthotropous ovuleThe body of the ovule is erect or straight. The hilum, chalaza, and the micropyle lie in a straight line. e.g. PolygonumAmphitropus ovuleThe body of the ovule is very much curved that the embryo sac and the ovule itself take the shape of a horseshoe. e.g. AllismaceaeCampylotropous ovuleThe body of the ovule is curved or bent round so, that the micropyle and chalaza do not lie in the same straight line. e.g. LeguminosaeSo, the correct answer is 'orthotropous'
Anatropous ovule
The body of the ovule becomes completely inverted during the development. So that the micropyle lie very close to the hilum. e.g. gamopetalous members
Orthotropous ovule
The body of the ovule is erect or straight. The hilum, chalaza, and the micropyle lie in a straight line. e.g. Polygonum
Amphitropus ovule
The body of the ovule is very much curved that the embryo sac and the ovule itself take the shape of a horseshoe. e.g. Allismaceae
Campylotropous ovule
The body of the ovule is curved or bent round so, that the micropyle and chalaza do not lie in the same straight line. e.g. Leguminosae
So, the correct answer is 'orthotropous'
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