Conifers differ from grasses in the
(a) lack of xylem tracheids
(b) absence of pollen tubes
(c) formation of endosperm before fertilization
(d) production of seeds from ovules
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Conifers differ from grasses in the:
(c) formation of endosperm before fertilization
- The formation of endosperm in Conifers occurs before fertilization.
- They are called haploid tissues because of the formation of endosperm before fertilization and are hence categorized under gymnosperms.
- In both conifers and grass tracheids and pollen tubes are not present and seeds get produced from ovules.
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The conifers (gymnosperm) differ from the grasses (angiosperm) in the formation of endosperm before fertilization.
Option (C) is correct.
Explanation:
The conifers (gymnosperm) differ from the grasses (angiosperm) in the formation of endosperm before fertilization.
- In fact, in gymnosperms, the endosperm is formed, before die fertilization.
- Therefore it is a haploid tissue.
- While in angiosperms it is triploid tissue.
- Endosperm is formed after fertilization as a result of double fertilization.
- In both conifers and grasses seeds are produced from ovules.
- Xylem tracheids are present in both conifers and grasses.
- Pollen tubes are also formed in both conifers and grasses.
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