Formative Practice 6.4 (Form 5 Biology Textbook Exercise and Answer)


Question 1:
After fertilisation occurs between the male gamete and the egg cell, the zygote produced undergoes mitosis forming two cells. Explain.

Answer:
One cell will develop to form the suspensor and another cell will develop to form the embryo.


Question 2:
State the structure of the seed which enables it to be stored for a long time before it germinates.

Answer:
Testa


Question 3:
What is the function of the suspensor in the development of seed

Answer:
Anchors the embryo to the wall of the embryo sac


Question 4:
What is the difference between the plumule and radicle which are structures forming an embryo in a seed?

Answer:
Plumule grows up to form the shoot while radicle grows down to form the root.


Question 5:
The exocarp is said to protect fruits from spoiling. Justify.

Answer:
Exocarp is a strong and waterproof skin. It protects fruit from water loss and fungal attack.

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