• What is genetics? • Give the common name of the plant on which Mendel performed his experiments. • What for did Mendel use the term factors and what are these factors called now? • What are genes? Where are the genes located?

Name the hormone responsible for regulation of • Metabolism of carbohydrates, fats and proteins • Balance of calcium and phosphate • Blood pressure • Water and electrolyte balance.

Updated 1/12/2026

(a) What are “hormones”? (b) List four characteristics of hormones (c) Name the hormone required for the following: Functioning of mammary glands Regulation of calcium and phosphate Lowering of blood glucose Development of moustache and beard in human malc.

Updated 1/12/2026

What is reproduction? What are the two types? Which one of the two confers new characteristics on the offspring and how?

Updated 1/12/2026

How do sexual and asexual reproduction lead to speciation? Give one point for each.

Updated 1/12/2026

A high concentration of harmful chemical is highly injurious, even fatal to higher trophic level organisms. Mention the basis of classifying substances as biodegradable and non-biodegradable. Give two examples of each.

Updated 1/12/2026