Question:
A gymnosperm where fertilization occurs by both siphonogamy and zoidiogamy is
A gymnosperm where fertilization occurs by both siphonogamy and zoidiogamy is
Updated On: Mar 29, 2024
- Pinus
- Gnetum
- Ginkgo
- Cycas.
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The Correct Option is D
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Answer (d) Cycas.
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Explanation:
- Cycas is one of the gymnosperms where the fertilization can occur both by zooidogamy and siphonogamy.
- In siphonogamy, pollen tubes are developed to carry male gametes to female gametes and zooidogamy involves the transfer of male gametes to the female gametes without the use of a pollen tube.
- On the other hand, in Ginkgo, Pinus, and Gnetum, fertilization occurs by siphonogamy only.
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Concepts Used:
Plant Kingdom
The Plant Kingdom comprises all the plants that have some shared characteristics. These are bacteria (prokaryotes), photosynthetic plants, fungi, and several non-photosynthetic plants.
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Several features of Kingdom Plantae are as follows:
- They are stationary. They are static and usually remain in one place only.
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