Questions and Answers

Describe the early development of the zygote, limited to the formation of a ball of cells (embryo) that becomes implanted in the lining of the uterus

Explain the roles of follicle-stimulating hormone (FSH), luteinising hormone (LH), oestrogen and progesterone in controlling the menstrual cycle

Describe the roles of testosterone and oestrogen in the development and regulation of secondary sexual characteristics during puberty

Compare male and female gametes in terms of size, structure, numbers and motility

Describe the process of germination, including the role of enzymes

Investigate and state the environmental conditions that affect germination of seeds, limited to: suitable temperature, water and oxygen

Relate the features of wind-dispersed fruits and animal-dispersed fruits to their functions

Investigate and describe the structure of a seed, limited to embryo (radicle, plumule and cotyledons) and testa

Understand that after fertilisation the ovules develop into seeds and the ovary develops into a fruit