What Is Inside The Seed?

Juliet D'cruz

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What Is Inside The Seed

Are you curious to know what is inside the seed? You have come to the right place as I am going to tell you everything about inside the seed in a very simple explanation. Without further discussion let’s begin to know what is inside the seed?

What Is Inside The Seed?

Seeds are nature’s fascinating marvels, holding the potential to give life to a vast array of plants. While their small size may seem unassuming, seeds are actually intricate structures containing a wealth of vital components. In this blog post, we will embark on a journey into the world of seeds, exploring what lies inside these tiny powerhouses of life and understanding the key elements that enable their germination and growth.

The Anatomy Of A Seed:

1. Seed Coat: The outer layer of the seed, known as the seed coat or testa, serves as a protective shield. It safeguards the delicate embryo and its internal components from physical damage, pathogens, and dehydration. The seed coat may vary in thickness, texture, and color, depending on the plant species.

2. Embryo: At the heart of every seed lies the embryo, the miniature version of the future plant. The embryo consists of three primary components:

  • Radicle: The radicle is the embryonic root, which emerges first during germination and develops into the root system of the plant, anchoring it into the soil and absorbing water and nutrients.
  • Plumule: The plumule is the embryonic shoot that carries the potential for stem, leaves, and future growth. It remains protected within the seed until germination, when it elongates and emerges above the soil.
  • Cotyledons: Cotyledons, also known as seed leaves, are structures within the embryo that provide nourishment during the early stages of germination. In some plants, the cotyledons remain within the seed, while in others, they emerge above the ground and assist in photosynthesis until the true leaves develop.

3. Endosperm: In certain seeds, the endosperm is a tissue that surrounds the embryo and acts as a nutrient reserve. It provides a source of carbohydrates, proteins, and oils, supplying essential energy for the germinating seedling until it establishes its root system and can independently acquire nutrients from the environment.

4. Germinal Spot or Hilum: The germinal spot, also called the hilum, is a small scar on the seed coat where the seed was attached to the plant’s ovary. It serves as the entry point for water absorption during germination.

5. Embryo Sac (in Angiosperms): In flowering plants (angiosperms), the seed also contains the female reproductive structure known as the embryo sac. This structure contains the egg cell, which is fertilized by the pollen during pollination, leading to the formation of the embryo within the seed.

The Journey Of A Seed:

Seeds carry within them the remarkable ability to withstand adverse conditions and remain dormant until suitable conditions for germination are present. Once favorable conditions such as moisture, warmth, and oxygen are met, the seed begins its journey of germination. Water enters through the seed coat, triggering enzymatic activity, and metabolic processes resume within the embryo. The radicle emerges first, followed by the plumule, and the seedling starts its ascent towards the surface, where it unfurls its true leaves and begins photosynthesis.


Seeds are truly remarkable structures, containing the blueprint for plant life in their seemingly unassuming exteriors. Within their protective coats, seeds house the embryo, comprising the radicle, plumule, and cotyledons, which hold the potential for future growth. The endosperm serves as a nutrient reserve, ensuring the seedling’s nourishment during its early stages. Understanding the internal components of seeds allows us to appreciate the intricacy of nature’s design and the miraculous process of germination. As we marvel at the humble seed, we witness the remarkable cycle of life and the incredible potential contained within these tiny packages, fostering awe and respect for the power and resilience of nature.


What Is Inside A Seed Class 5?

Inside the seed, there are cotyledons and embryo.

Is The Embryo Inside The Seed?

As mentioned above, a seed contains the embryo of the new plant, with a supply of food for the embryo until it has formed sufficient roots and leaves to obtain its own food.

What Is A Seed Grade 7?

Seed refers to the fertilized, matured ovule that contains an embryonic plant, stored material and a protective coat or coats. A seed is a mature ovule that comprises an embryo or a miniature undeveloped plant and food reserves, all enclosed within a protective seed coat.

What Are The Things In Seed?

A seed contains a miniature plant, called an embryo, that can develop into a fully grown plant. The outer shell of a seed, called a seed coat, protects the embryo. Inside the seed a nutritious material provides food to the embryo. In flowering plants this material is called endosperm.


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