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If it wasn't for reproduction, you wouldn't be here!
Reproduction 2
This Science quiz is called 'Reproduction 2' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.
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Adolescence is the time when a human's reproductive organs become mature. Puberty is the process of physical changes by which a child's body becomes an adult body capable of reproduction.
See how well you understand reproduction by taking this science quiz.
1 .
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
The others are all emotional changes which occur
2 .
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
Voice becomes deeper
3 .
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
They live for a very short time
4 .
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
The two blood supplies NEVER mix
5 .
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
Two eggs are released when non-identical twins form
6 .
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
Hips get wider
7 .
Which of the following does an implanted fertilized egg NOT need?
Carbon dioxide
Food
Oxygen
Warmth
Carbon dioxide is removed as the fertilized egg develops
8 .
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
The fertility drug stimulates eggs to mature and be released
9 .
The fertilized egg starts to divide. At first it is called .......
a baby
a fetus
a period
an embryo
The embryo is called a fetus at about nine weeks
10 .
Which of the following does NOT control the menstral cycle?
A fertility drug
Estrogen alone
Estrogen and progesterone together
Progesterone alone
Estrogen causes the uterus lining to thicken, progesterone maintains the lining. Together they control ovulation
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