KS3 - Ks3 Science - Reproduction 02 Solution - MCQGeeks.com

Q.1.

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

100%
Carbon dioxide
0%
Food
0%
Oxygen
0%
Warmth

Q.2.

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

100%
because glands make hormones to start the changes
0%
because you feel and think differently
0%
because you have mood swings
0%
because your emotions change

Q.3.

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

0%
Breasts start to develop
50%
Hips get narrower
50%
Ovaries start to release eggs
0%
Pubic and underarm hair grow

Q.4.

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

0%
Facial hair grows
0%
Muscles and penis grow bigger
0%
Testes start to produce sperm
100%
Voice becomes higher

Q.5.

Which of the following does NOT reduce fertility?

50%
Female sex hormone in a fertility drug
0%
Female sex hormone in an oral contraceptive
0%
Female sex hormone to prevent ovulation
50%
Female sex hormone to mimic pregnancy

Q.6.

Which of the following does NOT control the menstral cycle?

100%
A fertility drug
0%
Oestrogen alone
0%
Oestrogen and progesterone together
0%
Progesterone alone

Q.7.

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

0%
a baby
0%
a foetus
0%
a period
100%
an embryo

Q.8.

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

50%
It has a massive food store for the developing embryo
50%
It is much larger than a sperm cell
0%
One egg is only ever released at a time
0%
The nucleus contains chromosomes

Q.9.

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

0%
It has a tail which moves so it can swim
0%
The head contains enzymes to make a hole in the egg cell
50%
The nucleus contains chromosomes
50%
They live for a long time