Q.1
Which of the following physical changes, in girls, during adolescence is NOT true?
  • Breasts start to develop
  • Hips get narrower
  • Ovaries start to release eggs
  • Pubic and underarm hair grow
Q.2
Which of the following does an implanted fertilized egg NOT need?
  • Carbon dioxide
  • Food
  • Oxygen
  • Warmth
Q.3
Which of the following physical changes, in boys, during adolescence is NOT true?
  • Facial hair grows
  • Muscles and penis grow bigger
  • Testes start to produce sperm
  • Voice becomes higher
Q.4
Which of the following does NOT reduce fertility?
  • Female sex hormone in a fertility drug
  • Female sex hormone in an oral contraceptive
  • Female sex hormone to prevent ovulation
  • Female sex hormone to mimic pregnancy
Q.5
Which of the following is NOT true?
  • Carbon dioxide passes from the fetal blood to the mother
  • Food passes from the mother's blood to the fetal blood
  • Oxygen passes from the mother's blood to the fetal blood
  • The fetal blood and the mother's blood mix
Q.6
Which of the following is NOT true about an egg cell?
  • It has a massive food store for the developing embryo
  • It is much larger than a sperm cell
  • One egg is only ever released at a time
  • The nucleus contains chromosomes
Q.7
Which of the following does NOT control the menstral cycle?
  • A fertility drug
  • Estrogen alone
  • Estrogen and progesterone together
  • Progesterone alone
Q.8
The fertilized egg starts to divide. At first it is called .......
  • a baby
  • a fetus
  • a period
  • an embryo
Q.9
Which of the following is NOT true about a sperm cell?
  • It has a tail which moves so it can swim
  • The head contains enzymes to make a hole in the egg cell
  • The nucleus contains chromosomes
  • They live for a long time
Q.10
The physical changes during adolescence occur .......
  • because glands make hormones to start the changes
  • because you feel and think differently
  • because you have mood swings
  • because your emotions change
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