Examine the figures (A-D) given above and select the right option out of 1-4, in which all the four structures A, B, C and D are identified correctly.
A B C D
1 Sucker Seta Megaspore mother cell Gemma cup
2 Rhizome Sporangiophore Polar cell Globule
3 Runner Archegoniophore Synergid Antheridium
4 Offset Antheridiophore Antipodals Oogonium

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Solution

The correct option is A 4
Offset is a short thick branch which produces a new plant at its tip. It is produced asexually. It grows from the main stem of the parent plant. Antheridiophore is a gametophore that bears the antheridia only. It is an outgrowth of a prothallium. It is seen in liverworts. Antipodal cells are haploid cells in found in angiosperms. These present at the chalazal end farthest from the micropyle. It nourishes the embryo. Oogonium is the female sex organ. It contains one or more oospheres. It grows out from one of the nodes.
Thus, the correct answer is option A.

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