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Question 1 of 20
1. Question1 point(s)
Where are oestrogen and progesterone produced during the menstrual cycle?
oestrogen progesterone A hypothalamus ovary B ovary ovary C ovary placenta D placenta pituitary glandCorrectIncorrect
Question 2 of 20
2. Question1 point(s)
Which hormone is produced by cells in the placenta of a developing fetus?CorrectIncorrect
Question 3 of 20
3. Question1 point(s)
The diagram shows four types of birth control device.
Which is not a barrier method of contraception?
Question 4 of 20
4. Question1 point(s)
Which blood component is destroyed in people who are HIV positive?CorrectIncorrect
Question 5 of 20
5. Question1 point(s)
What is a feature of self-pollination?CorrectIncorrect
Question 6 of 20
6. Question1 point(s)
Which row describes the genetic code in DNA?
what forms the genetic code what the DNA codes for A sequence of amino acids sequence of bases B sequence of amino acids sequence of proteins C sequence of bases sequence of amino acids D sequence of bases sequence of proteinsCorrectIncorrect
Question 7 of 20
7. Question1 point(s)
The diagram shows the ovary of a flower.
Which process is shown in the diagram?CorrectIncorrect
Question 8 of 20
8. Question1 point(s)
What is a function of the placenta?CorrectIncorrect
Question 9 of 20
9. Question1 point(s)
Some men do not produce healthy sperm cells. A couple may choose to use the sperm of another man, a donor, in order for the woman to get pregnant.
Which procedure involves inserting sperm into the vagina of a woman from a donor?CorrectIncorrect
Question 10 of 20
10. Question1 point(s)
Specific grape varieties are maintained using stem cuttings from mature plants that are then planted and cultivated to produce grapes. This is an example of artificial asexual reproduction.
What is a disadvantage of using asexual reproduction to produce fruit?CorrectIncorrect
Question 11 of 20
11. Question1 point(s)
Which two statements are correct for the process of cross-pollination in plants?
- increases potential for variation in offspring
- pollen is transferred to a different flower on the same plant
- reduces potential to respond to environmental change
- pollen is transferred to a flower on a different plant of the same species
Question 12 of 20
12. Question1 point(s)
What is a function of the mitochondria in a sperm cell?CorrectIncorrect
Question 13 of 20
13. Question1 point(s)
What is an advantage, for an organism, of using asexual reproduction?CorrectIncorrect
Question 14 of 20
14. Question1 point(s)
The diploid number in Ovis aries (sheep) is 54.
How many chromosomes will there be in a zygote of this species?CorrectIncorrect
Question 15 of 20
15. Question1 point(s)
Which adaptive feature of sperm provides the energy that enables it to swim?CorrectIncorrect
Question 16 of 20
16. Question1 point(s)
Two hormones, X and Y, are secreted by the ovaries. The graph shows the concentrations of these hormones in the blood during one complete menstrual cycle.
What are hormones X and Y?
hormone X hormone Y A FSH LH B LH FSH C oestrogen progesterone D progesterone oestrogenCorrectIncorrect
Question 17 of 20
17. Question1 point(s)
Crop plants produced by asexual reproduction are identical. This can be a disadvantage.
Which statements describe disadvantages?
- Crop plants are produced rapidly.
- A disease could kill all of the plants.
- Only one parent is needed.
- The plants cannot adapt to environmental changes.
Question 18 of 20
18. Question1 point(s)
The table shows some features of artificial insemination and in-vitro fertilisation.
Which row shows the features that are correct for both artificial insemination and in-vitro fertilisation?
outside the female
outside the female
A ✓ ✓ x x B ✓ x x ✓ C x x ✓ x D x x x ✓CorrectIncorrect
Question 19 of 20
19. Question1 point(s)
The graph shows the concentration of four hormones during the menstrual cycle.
Which line represents progesterone?CorrectIncorrect
Question 20 of 20
20. Question1 point(s)
A human zygote is a diploid cell.
Which statement about human diploid cells is correct?CorrectIncorrect