Class 12BiologySexual Reproduction in Flowering PlantsThe Pistil, Megasporangium (ovule) and Embryo sac
MediumIdentify the different types of ovules in diagrams $A$ to $F$.
- A$A$-Circinotropous,$B$-Amphitropous,$C$-Campylotropous,$D$-Hemitropous,$E$-Anatropous,$F$-Orthotropous
- B$A$-Campylotropous,$B$-Anatropous,$C$-Hemitropous,$D$-Amphitropous,$E$-Circinotropous,$F$-Orthotropous
- C$A$-Orthotropous,$B$-Anatropous,$C$-Hemitropous,$D$-Campylotropous,$E$-Amphitropous,$F$-Circinotropous
- D$A$-Campylotropous,$B$-Anatropous,$C$-Hemitropous,$D$-Amphitropous,$E$-Orthotropous,$F$-Circinotropous
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How many embryo sacs are present in $100$ mature female gametophytes?
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Assertion $(A):$ $A$ typical unfertilised,angiosperm embryo sac at maturity is $8$-nucleate and $7$-celled.
Reason $(R):$ The egg apparatus has $2$ polar nuclei.
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Reason $(R):$ The egg apparatus has $2$ polar nuclei.
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