Question

Answer the following in detail:
Describe the process of fertilization with a well labeled diagram.
What is a fruit? State its function.
What is germination? List the conditions necessary for germination.
Differentiate between Epigeal and Hypogeal germination.


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Answer 1

Answer:

Explanation:

What is a fruit? State its function.

• Fertilization is the process in which gametes (an egg and sperm) fuse to form a zygote. This process ultimately leads to the formation of a diploid cell called a zygote. The zygote divides to form a blastocyst and, upon entering the uterus, implants in the endometrium, beginning pregnancy.

✷Plant fertilization is the joining of male and female gametes, resulting in a zygote.

✷The most generalized form of this process requires four steps: pollination, germination, penetration of the ovule, and fertilization.

✷After fertilization, the zygote divides to form an embryo.

What is a fruit? State its function.

• As a plant organ and container of seed or seeds, the two primary functions of fruits are protection and seed dispersal.
• 1. Fruits protect the seeds. The fruit serves as a physical barrier between the seed or seeds and the external environment during seed development

What is germination? List the conditions necessary for germination.

• All seeds need water, oxygen, and proper temperature in order to germinate. Some seeds require proper light also. Some germinate better in full light while others require darkness to germinate. When a seed is exposed to the proper conditions, water and oxygen are taken in through the seed coat.

Differentiate between Epigeal and Hypogeal germination.

• Epigeal germination is a type of germination whereby the seed leaves or the cotyledons are brought on to the surface or above the soil along with the shoot during germination. Hypogeal germination is a type of germination whereby the seed leaves or the cotyledons remain below the soil surface during germination.

fertilization image

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