1. | The process of gamete production results in | |
A. | 2 gametes, each having half the chromosome number of the gamete mother cell | |
B. | 4 gametes, each having half the chromosome number of the gamete mother cell | |
C. | 2 gametes, each having the same chromosome number of the gamete mother cell | |
D. | 4 gametes, each having the same chromosome number of the gamete mother cell |
2. | If a gamete mother cell contains 24 chromosomes, how many chromosomes will the gametes produced fromt his cell contain? | |
A. | 6 chromosomes | |
B. | 12 chromosomes | |
C. | 24 chromosomes | |
D. | 48 chromosomes |
3. | The table below shows the results of an investigation into the effect of temperature on the number of eggs laid by female red spider mites.
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A. | 30% | ||
B. | 33% | ||
C. | 50% | ||
D. | 67% |
4. | If a gamete mother cell contains 46 chromosomes, how many chromosomes will the gametes produced fromt his cell contain? | |
A. | 46 chromosomes | |
B. | 23 chromosomes | |
C. | 2 chromosomes | |
D. | 92 chromosomes |
5. | A chromsome at the start of gamete production is composed of | |
A. | 2 centromeres and 1 chromatid | |
B. | 2 centromeres and 2 chromatids | |
C. | 1 centromere and 2 chromatids | |
D. | 1 centromere and 1 chromatid |
6. | What term is used for the process of gamete production? | |
A. | meiosis | |
B. | fertilisation | |
C. | mitosis | |
D. | fusion |
7. | The cell from which gametes are made is called | |
A. | zygote | |
B. | sperm cell | |
C. | fertilised egg cell | |
D. | gamete mother cell |
8. | Which line in the table below names gametes and their site of production in a flowering plant?
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A. | A | ||
B. | B | ||
C. | C | ||
D. | D |
9. | Which of the following diagrams best represents the arrangement of chromosomes in a cell undergoing meiosis?
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A. | A | ||
B. | B | ||
C. | C | ||
D. | D |
10. | The diagram below shows the main parts of a flower.
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A. | A | ||
B. | B | ||
C. | C | ||
D. | D |
11. | The diagram below shows a cell undergoing gamete production. Which of the diagrams below show what happens next?
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A. |
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B. |
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C. |
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D. |
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12. | A gamete mother cell shows the chromosomes shown in the diagram below. Of the options A to D choose which shows the possible gametes that can be produced from this gamete mother cell.
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A. |
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B. |
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C. |
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D. |
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13. | The table below gives some information about chromosomes in some human cells. Which line in the table is correct?
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A. | A | ||
B. | B | ||
C. | C | ||
D. | D |
14. | The diagram shows a stage of meiosis.
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A. | A | ||
B. | B | ||
C. | C | ||
D. | D |