Middle School: 6th, 7th and 8th Grade - Science - Reproduction 2 Solution - MCQGeeks.com

Q.1.

Which of the following physical changes, in girls, during adolescence is NOT true?

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Breasts start to develop
0%
Hips get narrower
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Ovaries start to release eggs
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Pubic and underarm hair grow

Q.2.

Which of the following does an implanted fertilized egg NOT need?

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Carbon dioxide
0%
Food
0%
Oxygen
0%
Warmth

Q.3.

Which of the following physical changes, in boys, during adolescence is NOT true?

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Facial hair grows
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Muscles and penis grow bigger
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Testes start to produce sperm
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Voice becomes higher

Q.4.

Which of the following does NOT reduce fertility?

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Female sex hormone in a fertility drug
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Female sex hormone in an oral contraceptive
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Female sex hormone to prevent ovulation
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Female sex hormone to mimic pregnancy

Q.5.

Which of the following is NOT true?

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Carbon dioxide passes from the fetal blood to the mother
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Food passes from the mother's blood to the fetal blood
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Oxygen passes from the mother's blood to the fetal blood
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The fetal blood and the mother's blood mix

Q.6.

Which of the following is NOT true about an egg cell?

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It has a massive food store for the developing embryo
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It is much larger than a sperm cell
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One egg is only ever released at a time
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The nucleus contains chromosomes

Q.7.

Which of the following does NOT control the menstral cycle?

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A fertility drug
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Estrogen alone
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Estrogen and progesterone together
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Progesterone alone

Q.8.

The fertilized egg starts to divide. At first it is called .......

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a baby
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a fetus
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a period
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an embryo

Q.9.

Which of the following is NOT true about a sperm cell?

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It has a tail which moves so it can swim
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The head contains enzymes to make a hole in the egg cell
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The nucleus contains chromosomes
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They live for a long time

Q.10.

The physical changes during adolescence occur .......

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because glands make hormones to start the changes
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because you feel and think differently
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because you have mood swings
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because your emotions change