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| # | Question | Subject and topic | Difficulty |
|---|---|---|---|
| 1581 | The wings of a butterfly and of a bird are | Biology/Biological Studies/Biotechnology/Biochemistry Evidence for evolution |
Easy |
| 1582 | The thorn of Bougainvillea and the tendril of Cucurbita illustrate | Biology/Biological Studies/Biotechnology/Biochemistry Evidence for evolution |
Medium |
| 1583 | In industrial areas of England, dark moths became more common after 1850 mainly because | Biology/Biological Studies/Biotechnology/Biochemistry Evidence for evolution |
Medium |
| 1584 | Which pair shows convergent evolution? | Biology/Biological Studies/Biotechnology/Biochemistry Evidence for evolution |
Hard |
| 1585 | According to Darwin, the fitness of an individual ultimately refers to its | Biology/Biological Studies/Biotechnology/Biochemistry Darwin and natural selection |
Easy |
| 1586 | Darwin's finches of the Galapagos Islands are an example of | Biology/Biological Studies/Biotechnology/Biochemistry Darwin and natural selection |
Easy |
| 1587 | Which naturalist independently reached conclusions similar to Darwin's while working in the Malay Archipelago? | Biology/Biological Studies/Biotechnology/Biochemistry Darwin and natural selection |
Medium |
| 1588 | Lamarck suggested that the giraffe's long neck arose because ancestors stretched to reach leaves and passed o… | Biology/Biological Studies/Biotechnology/Biochemistry Darwin and natural selection |
Medium |
| 1589 | The Tasmanian wolf (a marsupial) and the placental wolf look similar. This similarity is best explained by | Biology/Biological Studies/Biotechnology/Biochemistry Darwin and natural selection |
Hard |
| 1590 | Hugo de Vries based his mutation theory on studies of | Biology/Biological Studies/Biotechnology/Biochemistry Mechanisms of evolution |
Easy |
| 1591 | A random change in allele frequency in a small population is called | Biology/Biological Studies/Biotechnology/Biochemistry Mechanisms of evolution |
Easy |
| 1592 | A small group of birds is blown to an island and starts a new population whose allele frequencies differ from… | Biology/Biological Studies/Biotechnology/Biochemistry Mechanisms of evolution |
Medium |
| 1593 | In a bird population, both very small and very large beaks become common while medium beaks become rare. This… | Biology/Biological Studies/Biotechnology/Biochemistry Mechanisms of evolution |
Medium |
| 1594 | How do de Vries's mutations differ from the variations Darwin described? | Biology/Biological Studies/Biotechnology/Biochemistry Mechanisms of evolution |
Hard |
| 1595 | According to the Hardy–Weinberg equation, the frequency of heterozygotes is given by | Biology/Biological Studies/Biotechnology/Biochemistry Hardy-Weinberg principle |
Easy |
| 1596 | Which of the following does not disturb Hardy–Weinberg equilibrium? | Biology/Biological Studies/Biotechnology/Biochemistry Hardy-Weinberg principle |
Easy |
| 1597 | In a population at equilibrium, 16% of individuals show a recessive trait. What is the frequency of the domin… | Biology/Biological Studies/Biotechnology/Biochemistry Hardy-Weinberg principle |
Medium |
| 1598 | If the frequency of allele A is 0.7 in a population at equilibrium, what is the expected frequency of genotyp… | Biology/Biological Studies/Biotechnology/Biochemistry Hardy-Weinberg principle |
Medium |
| 1599 | In a population of 1000 at Hardy–Weinberg equilibrium, 160 individuals are homozygous recessive. How many are… | Biology/Biological Studies/Biotechnology/Biochemistry Hardy-Weinberg principle |
Hard |
| 1600 | Which fish, thought to be extinct, was caught in South Africa in 1938? | Biology/Biological Studies/Biotechnology/Biochemistry History of life and human evolution |
Easy |