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Question 1 of 20
1. Question1 point(s)
The graph shows how dry mass of a plant changes with time.
Where on the graph is growth occurring?CorrectIncorrect
Question 2 of 20
2. Question1 point(s)
What are involved in reproduction in both animals and plants?CorrectIncorrect
Question 3 of 20
3. Question1 point(s)
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?
Question 4 of 20
4. Question1 point(s)
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?
A condition 1 2 3 in the dark x ✔ x in the light x ✔ x B condition 1 2 3 in the dark x ✔ ✔ in the light x x ✔ C condition 1 2 3 in the dark ✔ ✔ x in the light x ✔ x D condition 1 2 3 in the dark ✔ ✔ ✔ in the light ✔ x x
✔= seeds germinate
x = seeds do not germinateCorrectIncorrect
Question 5 of 20
5. Question1 point(s)
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?CorrectIncorrect
Question 6 of 20
6. Question1 point(s)
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?CorrectIncorrect
Question 7 of 20
7. Question1 point(s)
How will the composition of a pregnant woman’s blood change as it passes through the placenta?
A decreases decreases B decreases increases C increases decreases D increases increasesCorrectIncorrect
Question 8 of 20
8. Question1 point(s)
The diagram shows the female reproductive system.
At which labelled points are sperms and ova released?
sperms ova A 3 2 B 4 2 C 5 1 D 5 3CorrectIncorrect
Question 9 of 20
9. Question1 point(s)
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?CorrectIncorrect
Question 10 of 20
10. Question1 point(s)
Which method of birth control is based on knowing the stage of a woman’s menstrual cycle?CorrectIncorrect
Question 11 of 20
11. Question1 point(s)
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?CorrectIncorrect
Question 12 of 20
12. Question1 point(s)
Development is defined as an increase inCorrectIncorrect
Question 13 of 20
13. Question1 point(s)
In addition to a suitable temperature, what else is always necessary for seed germination?CorrectIncorrect
Question 14 of 20
14. Question1 point(s)
The diagram shows a germinating broad bean seed which has been cut in half.
Which labels show the cotyledon and the plumule?
cotyledon plumule A 1 3 B 1 4 C 2 3 D 2 4CorrectIncorrect
Question 15 of 20
15. Question1 point(s)
What defines the development of an organism?CorrectIncorrect
Question 16 of 20
16. Question1 point(s)
What are advantages of sexual and asexual reproduction?
advantage of sexual reproduction advantage of asexual reproduction A less population growth only one parent required B more energy efficient gametes can be transferred by environment C more genetic variation faster D no transfer of gametes needed does not compete with the parent for nutrientsCorrectIncorrect
Question 17 of 20
17. Question1 point(s)
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?CorrectIncorrect
Question 18 of 20
18. Question1 point(s)
What happens to the chromosome number after meiosis and after mitosis?
meiosis mitosis A halved halved B halved stays the same C stays the same halved D stays the same stays the sameCorrectIncorrect
Question 19 of 20
19. Question1 point(s)
In which conditions will seeds germinate most quickly?CorrectIncorrect
Question 20 of 20
20. Question1 point(s)
What are the characteristics of asexual reproduction?
in the offspring
A ✔ ✔ B ✔ x C x ✔ D x xCorrectIncorrect