| Read the assertion and reason carefully: |
| Assertion : Piper nigrum shows the presence of perisperm. |
| Reason : The persistent nucellus is called perisperm. |
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
The nucellus is usually consumed by the developing endosperm. However, in certain familes, such as Amaranthaceae, Cannaceae, Capparidaceae, Piperaceae, Portulaceae and Zingiberaceae, the nucellar tissue surrounding the embryo sac persists in the seed and becomes densely packed with food materials. The persistent nucellus is called perisperm. Ninety ? five percent of Piper nigrum seed is perisperm.
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