MCQ-4: Reproduction

Which feature allows the sperm to dissolve the jelly coating of the egg cell?

Which statement about HIV is correct?

The diagram shows the chromosomes in the nucleus of a cell that divides by mitosis.

Which diagram shows the chromosomes in the nucleus of one of the daughter cells produced?

What is an advantage of self-pollination?

The graph shows the relative concentration of hormones in the blood during days 14–28 of the menstrual cycle.
Which letter represents the hormone progesterone in a woman who is not pregnant?

Where is progesterone produced?

Parents with alleles I^AI^B and I^oI^o can produce children with which blood groups?

The diagram shows some parts of the male reproductive system.
Which part is cut during a vasectomy?

The calendar shows the menstrual cycle of a woman in September 2008.

Why could fertilisation not take place if sperms are released into the vagina on 8th September?

In an experiment to investigate the effects of various environmental factors on germination, four boiling tubes were set up as shown.
In which tube would the seeds germinate most quickly?

The graph shows how the height of a child changes with age.

When is the child’s growth rate fastest?

Which type of reproduction and which type of cell division produces nuclei with half the number of chromosomes?

The diagram shows the early growth of a green plant.

What is occurring?

key
✓ = occurs
x = does not occur

The diagram shows a potato tuber that developed from the stem of a parent potato plant. Three shoots are starting to grow from the tuber.

ow do the genotypes of the shoots compare with the genotypes of the tuber and of the parent?

The diagram shows the male reproductive system.

What is the tube labelled X?

Which is not growth of an organism?

The graph shows changes in the thickness of the uterus lining of a woman.

What happens each time at X?

The table lists some processes which take place during reproduction in flowering plants and mammals.
Which row is correct?

The graph shows the effect of storage time on the germination of some seeds.

What can be concluded from this graph?

A mango tree can reproduce by seed and by asexual reproduction.
Trees produced by each of these methods produce mango fruits.
When comparing these fruits genetically, what is the correct result?