Root Root cap -Coleorhiza Figure 31.15 The structure of a corn grain, longitudin

Question

Root Root cap -Coleorhiza Figure 31.15 The structure of a corn grain, longitudinal section. The embryo is nourished by the starchy endosperm. uestio What does this staining pattern tell you about the content of the endosperm and embryo? b Do mature seeds of monocots or dicots store most of their food in cotyledons? How can you tell? FRUIT A fruit is a mature, ripened ovary plus any associated tis- sues. Therefore, a fruit contains seeds. Are you surprised that tomatoes, beans, and okra are fruit? A mature fruit is often larger than the ovary at the time of pollination and fer- tilization, which indicates that a great deal of development ccurs while the seeds are maturing,

Explanation / Answer

Question 7.

a. The staining pattern in the diagram showing that it is STARCHY ENDOSPERM and STAINED BLUE , ie it contains starch and it is stained by IODINE water .

b.yes, monocots and dicots store a amountof food in their cotyledons but dicots species with small cotyledons and monocots with single cotyledons store their food primarily in Endosperm.So, cotyledons is food store and endosperm is nutririve store.

c. yes, the pod is showing with one cavity containing seed.

d. yes the micropyle is near the attachment , since it is near the cavity .

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