Puberty and Adolescence
Biology ⇒ Reproduction and Development
Puberty and Adolescence starts at 7 and continues till grade 12.
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See sample questions for grade 10
At what approximate age does puberty usually begin in girls?
Describe one social change that may occur during adolescence.
Describe the difference between primary and secondary sexual characteristics.
Describe the role of hormones in the changes that occur during puberty.
Describe the role of the pituitary gland in puberty.
Describe two emotional changes that may occur during adolescence.
A 14-year-old boy notices a sudden increase in height, deepening of his voice, and growth of facial hair. Which hormones are primarily responsible for these changes, and what is their source?
A researcher is studying the effect of malnutrition on the onset of puberty in adolescents. Based on your knowledge, predict and explain the likely outcome.
Which of the following changes is common to both boys and girls during puberty?
(1) Growth of facial hair
(2) Widening of hips
(3) Increase in height
(4) Deepening of voice
Which of the following is a primary sexual characteristic?
(1) Growth of pubic hair
(2) Enlargement of testes
(3) Deepening of voice
(4) Growth of facial hair
Which of the following is a psychological change during adolescence?
(1) Growth of body hair
(2) Increased independence
(3) Deepening of voice
(4) Onset of menstruation
Which of the following is a secondary sexual characteristic in females?
(1) Growth of uterus
(2) Development of breasts
(3) Production of eggs
(4) Ovulation
Fill in the blank: The female reproductive cells are called __________.
Fill in the blank: The first ejaculation in boys is called __________.
Fill in the blank: The first menstrual bleeding in girls is called __________.
Fill in the blank: The male reproductive cells are called __________.
True or False: Adolescence is a period of both physical and psychological development.
True or False: Both boys and girls experience a growth spurt during puberty.
True or False: Emotional and social changes are a normal part of adolescence.
True or False: Puberty marks the beginning of the ability to reproduce sexually.
