1.Easy
What is the correct order of the phases of mitosis?
- AProphase, anaphase, metaphase, telophase
- BProphase, metaphase, anaphase, telophase
- CMetaphase, prophase, anaphase, telophase
- DTelophase, anaphase, metaphase, prophase
2.Easy
What is a pedigree in genetics?
- AA chart that shows how a trait is inherited in a family
- BA table of codons and amino acids
- CA picture of a person's chromosomes arranged in pairs by size
- DA list of all the genes in an organism
3.Easy
Which elements make up carbohydrates?
- ACarbon, hydrogen and oxygen
- BCarbon, nitrogen and sulfur
- CCarbon, hydrogen and nitrogen
- DHydrogen, oxygen and phosphorus
4.Medium
What does it mean that a person's blood is Rh negative?
- ATheir plasma has no antibodies at all
- BTheir red cells carry extra RhD antigen
- CTheir red cells lack the RhD antigen
- DTheir red cells lack the A and B antigens
5.Medium
The human arm, bat wing and whale flipper contain the same set of bones. What does this suggest?
- AThey have the same function
- BThey share a common ancestor
- CThey are the result of acquired traits
- DThey evolved completely separately
6.Medium
Why is red-green colour blindness more common in males than in females?
- AMales have one X chromosome, so one allele is enough
- BThe allele is dominant in males and recessive in females
- CThe allele is carried on the Y chromosome
- DFemales cannot inherit the allele from their fathers
7.Hard
Why does the influenza vaccine need to be updated most years?
- AInfluenza is caused by a different bacterium each year
- BThe virus keeps changing its surface proteins through mutation
- CAntibodies cannot be made against viruses
- DThe vaccine damages the immune system after one year, so it must be repeated
8.Hard
The lion is Panthera leo, the tiger is Panthera tigris and the house cat is Felis catus. Which two are most closely related?
- AThe tiger and the house cat
- BThe lion and the house cat
- CAll three are equally related
- DThe lion and the tiger
Answer key
- 1. B · Prophase, metaphase, anaphase, telophase
- 2. A · A chart that shows how a trait is inherited in a family
- 3. A · Carbon, hydrogen and oxygen
- 4. C · Their red cells lack the RhD antigen
- 5. B · They share a common ancestor
- 6. A · Males have one X chromosome, so one allele is enough
- 7. B · The virus keeps changing its surface proteins through mutation
- 8. D · The lion and the tiger
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