Write True or False. 1. An aggregate fruit develops from the fused ovaries of a floral cluster. 2. In the fern leaf, the clusters of sporangia are called sporophylls. 3. The plumule is the first seed leaf that absorbs and digests nutrients needed for seed germination.
INSTRUCTION: Write True or False.
1. An aggregate fruit develops from the fused ovaries of a floral cluster.
2. In the fern leaf, the clusters of sporangia are called sporophylls.
3. The plumule is the first seed leaf that absorbs and digests nutrients needed for seed germination.
4. A false fruit develops from the expansion of the hypanthium or floral tube that encloses the ovary.
5. The endocarp is the edible fleshy part of the fruit.
6. In a bean seed, the part of the embryo which develops into the leaves and upper portion of the stem is known as the hypocotyl.
7. The embryos of corn and other grass seeds are partially enclosed in a protective sheath called the coleorhiza.
8. The embryonic shoot system is the radicle.
9. The seed coat develops from the nucellus of the ovule.
10. In the Zea mays seed, the aleurone layer is located outside the endosperm layer.
11. The pedicel bears more than one flower in a cluster.
12. The sunflower (Helianthus sp.) is an example of a capitulum floral cluster.
13. The term aposepalous refers to a flower with fused sepals.
14.
15. In the Lily ovary cross section, the four nuclei stage is a product of the second meiotic division.
16. A fruit is a ripened ovary.
17. Multiple fruits are derived from several fused ripened ovaries of a floral cluster.
18. Mature dry dehiscent fruits do not split open along sutures in order to disperse the seeds.
19. As compared to fleshy fruits, the pericarp tissue is absent in dry fruits.
20. Simple fruit results from the ripening of a single ovary of a single flower.
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