Describe the Structure of a Seed

Structure of a Seed

 

A seed consists of two parts:

 

Seed Coat:

 

  1. i) Testa is the outer layer of seed coat, which protects the embryo.

 

  1. ii) Tegmen is the inner layer of testa. It also help in protection.

 

iii) A scar on seed coat is called hilum, which tell us the place of attachment of seed with fruit.

 

  1. iv) Micropyle is present at one end of hilum. It absorbs water during germination.

 

The Embryo:

 

  1. i) The portion between point of attachment of cotyledons and plumule is called epicotyl. It forms shoot.

 

  1. ii) Cotyledons are the place where seed store food. This food supplied to developing plant during germination.

 

iii) Hypocotyl is the portion below the point of attachment of cotyledons but above the radical. It forms root.

 

Note: Many people at the end of the school are asked the question: “What does the full-time form of education mean?”. In this article we will try to reveal the topic of full-time and correspondence education in a higher educational institution. Let’s talk about the pros and cons of each form and help determine the choice. It is extremely important to understand that depending on this choice, the form of training and the program of study in the specialty can seriously differ. Full-time The roots of the word “full-time” come from the Old Slavonic languages. “Eye” in the time of Ancient Rus called the eye, respectively, “full-time” would mean some kind of eye contact. In other words, the orders differ little from school ones. Every day, students attend classes, receive grades in the disciplines and at the end of the semester they pass exams and tests on them

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