MCQ-3: Reproduction

Where are oestrogen and progesterone produced during the menstrual cycle?

Which hormone is produced by cells in the placenta of a developing fetus?

The diagram shows four types of birth control device.
Which is not a barrier method of contraception?

Which blood component is destroyed in people who are HIV positive?

What is a feature of self-pollination?

Which row describes the genetic code in DNA?

The diagram shows the ovary of a flower.

Which process is shown in the diagram?

What is a function of the placenta?

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?

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?

Which two statements are correct for the process of cross-pollination in plants?

1. increases potential for variation in offspring
2. pollen is transferred to a different flower on the same plant
3. reduces potential to respond to environmental change
4. pollen is transferred to a flower on a different plant of the same species

What is a function of the mitochondria in a sperm cell?

What is an advantage, for an organism, of using asexual reproduction?

The diploid number in Ovis aries (sheep) is 54.
How many chromosomes will there be in a zygote of this species?

Which adaptive feature of sperm provides the energy that enables it to swim?

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?

Crop plants produced by asexual reproduction are identical. This can be a disadvantage.
Which statements describe disadvantages?

1. Crop plants are produced rapidly.
2. A disease could kill all of the plants.
3. Only one parent is needed.
4. The plants cannot adapt to environmental changes.

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?

The graph shows the concentration of four hormones during the menstrual cycle.
Which line represents progesterone?

A human zygote is a diploid cell.
Which statement about human diploid cells is correct?