Formative Practice 2.3 (Form 4 Biology Textbook Exercise and Answer)

Question 1:
State the components of cells found in high density in cells that secrete protein products.

Rough endoplasmic reticulum, ribosomes and Golgi apparatus.

Question 2:
Briefly describe the structure and function of the nerve tissue.

A nerve tissue is made of cell body and nerve fibres that are called dendrites and axons. Nerve tissues coordinate and control bodily activities.

Question 3:
Explain why the palisade mesophyll cell contains a lot of chloroplast.

A large number of chloroplasts can absorb more light for photosynthesis.

Question 4:
Fat cells have three adaptive characteristics to allow the storage of fat. Describe the three characteristics.

Fat cells contain very little cytoplasm but have high fat content.

Fat cells contain very few mitochondria because it does not need a lot of energy.

Fat cells can expand to store more fat.

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