MCQ
Adventitive polyembryony/ from nucellar cells occur in.
- APoa
- BBrassica
- CAllium
- DCitrus
Explanation:
Polyembryony is the occurrence of more than one embryo in a single seed.
In adventive polyembryony, there is the formation of extra embryos due to sporophytic budding.
One or more sporophytic cells, either nucellus or integuments undergo stages of embryogeny and eventually develop into mature embryos.
This kind of polyembryony is found in citrus fruits.
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Assertion $A$: Endometrium is necessary for implantation of blastocyst.
Reason $R$: In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium.
In the light of the above statements, choose the correct answer from the options given below: