What is germination GCSE biology?

Germination is a process, controlled by enzymes , in which the seed begins to develop into a new young plant.

What is seed germination PDF?

Page 1. VIII. SEED GERMINATION. Germination is defined as the emergence and development from the seed embryo of those essential structures which, for the kind of seed in question, indicate its ability to produce a normal plant under favourable conditions. Structure.

What is seed germination in biology?

Germination, the sprouting of a seed, spore, or other reproductive body, usually after a period of dormancy. The absorption of water, the passage of time, chilling, warming, oxygen availability, and light exposure may all operate in initiating the process.

What do you need to know about germination in GCSE?

You don’t need to worry too much about the details of germination but there are a few vital parts of the process that GCSE candidates need to appreciate for A* marks. Firstly you should know the structure of a typical seed. The seed coat or testa surrounds the seed and provides a tough waterproof container.

Where does the germination of a seed take place?

Germination starts when the seed starts to take up water by osmosis. There is an opening in the testa called the micropyle that allows water to move into the seed causing it to swell and thus rupture the seed coat to allow the embryo plant to emerge. Water entering…

How does germination take place in the Testa?

Germination starts when the seed starts to take up water by osmosis. There is an opening in the testa called the micropyle that allows water to move into the seed causing it to swell and thus rupture the seed coat to allow the embryo plant to emerge.

Which is the correct definition of the word germination?

Seed Germination. In simple words, germination can be defined as the growth of a seed into a young plant or a seedling.