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Embryo development - Sexual Reproduction in Flowering Plants, Biology, Class 12 Video Lecture

FAQs on Embryo development - Sexual Reproduction in Flowering Plants, Biology, Class 12 Video Lecture

1. What is embryo development in flowering plants?

Ans. Embryo development in flowering plants refers to the process by which a fertilized egg, or zygote, develops into an embryo within the ovule. This process involves various stages, including the formation of the suspensor, the development of the embryo proper, and the differentiation of different tissues and organs within the embryo.

2. How does sexual reproduction occur in flowering plants?

Ans. Sexual reproduction in flowering plants involves the fusion of male and female gametes. The male gamete is produced in the pollen grains, which are released from the anthers of the flower. The female gamete is located within the ovule, which is contained within the ovary of the flower. The pollen grains are transported to the stigma of the flower, where they germinate and form a pollen tube that grows down to the ovule. The male gamete then travels through the pollen tube and fuses with the female gamete located in the embryo sac, resulting in fertilization.

3. What are the different stages of embryo development in flowering plants?

Ans. The different stages of embryo development in flowering plants include the zygote stage, the proembryo stage, the globular stage, the heart-shaped stage, the torpedo stage, and the mature embryo stage. Each stage represents a different level of development and the formation of various tissues and organs within the embryo.

4. What is the role of the suspensor in embryo development?

Ans. The suspensor is a structure that forms during embryo development in flowering plants. It helps in the proper orientation and positioning of the embryo within the ovule. The suspensor also aids in the transfer of nutrients from the parent plant to the developing embryo. Additionally, it provides support and protection to the developing embryo.

5. How does embryo development contribute to the growth and development of flowering plants?

Ans. Embryo development is a crucial process in the growth and development of flowering plants. It leads to the formation of a fully developed embryo, which eventually gives rise to a new plant. The embryo develops into a seed, which is dispersed and germinates under favorable conditions, leading to the growth of a new plant. This process ensures the continuation of the plant species and plays a vital role in plant reproduction and survival.

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	Dec 23, 2024 Last updated

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