MCQ-2: Reproduction

The graph shows how dry mass of a plant changes with time.
Where on the graph is growth occurring?

What are involved in reproduction in both animals and plants?

The diagram shows different parts of the female reproductive organs where different methods of birth control can be used.
Where should a diaphragm be placed before intercourse if a couple do not want a baby?

The diagram shows an experiment on germination. Groups of test-tubes were set up as shown.
The groups were placed in different conditions.

Which table shows the results?

In arthropods, growth occurs only after the exoskeleton is shed and before the new one hardens.
Which graph shows a typical growth curve for an arthropod?

The diagram shows the shoot of a seedling, fixed to a rotating platform that is being lit from one side only.

The platform was allowed to rotate for two days, then it was left stationary for a further two days.
Which diagram shows the appearance of the seedling after this four-day period?

How will the composition of a pregnant woman’s blood change as it passes through the placenta?

The diagram shows the female reproductive system.

At which labelled points are sperms and ova released?

The graph shows changes in dry mass as a seed germinates and becomes a seedling.
At which point is it respiring and photosynthesising at the same rate?

Which method of birth control is based on knowing the stage of a woman’s menstrual cycle?

The diagram shows some changes which take place during a woman’s menstrual cycle.

Assuming ovulation occurs on day 14, what is occurring at the time of ovulation?

Development is defined as an increase in

In addition to a suitable temperature, what else is always necessary for seed germination?

The diagram shows a germinating broad bean seed which has been cut in half.

Which labels show the cotyledon and the plumule?

What defines the development of an organism?

What are advantages of sexual and asexual reproduction?

The diagrams show pollen grains from three different species of plant as they appear under the microscope. The diagrams are all to the same scale.

Which pollen grains are involved in insect-pollination?

What happens to the chromosome number after meiosis and after mitosis?

In which conditions will seeds germinate most quickly?

What are the characteristics of asexual reproduction?