Grade 7 Integrated Science · Strand 3: Living Things & The Environment · Human Reproductive System
Introduction to Human Reproduction and Puberty
A short Grade 7 Integrated Science lesson for the CBE curriculum, part of Living Things & The Environment: Human Reproductive System. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.
1. Which gland, found at the base of the brain, starts the process of puberty by releasing hormones into the blood?
- A. Thyroid gland
- B. Pituitary gland
- C. Pancreas
- D. Adrenal gland
2. Wanjala notices that his voice is deepening and he is growing facial hair. Which hormone is mainly responsible for these changes?
- A. Oestrogen
- B. Testosterone
- C. Insulin
- D. Adrenaline
3. Which of the following changes happens in BOTH boys and girls during puberty?
- A. Breaking of the voice
- B. Start of menstruation
- C. Increased activity of sweat glands
- D. Production of sperm
4. Which statement correctly describes the difference between puberty and adolescence?
- A. Puberty is the physical maturing of the body, while adolescence is the wider period of physical, social and emotional change
- B. Puberty is the period of emotional change only, while adolescence is the production of hormones
- C. Puberty and adolescence both mean the production of sperm and ova
- D. Puberty happens after adulthood, while adolescence happens in childhood
5. Name the female sex hormone, produced in the ovaries, that stimulates breast development and the widening of the hips.
Type your answer in the lesson.
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