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#	Question	Subject and topic	Difficulty
141	According to Darwin, the fitness of an individual ultimately refers to its	Biology/Biological Studies/Biotechnology/Biochemistry Darwin and natural selection	Easy
142	Darwin's finches of the Galapagos Islands are an example of	Biology/Biological Studies/Biotechnology/Biochemistry Darwin and natural selection	Easy
143	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
144	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
145	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
146	Hugo de Vries based his mutation theory on studies of	Biology/Biological Studies/Biotechnology/Biochemistry Mechanisms of evolution	Easy
147	A random change in allele frequency in a small population is called	Biology/Biological Studies/Biotechnology/Biochemistry Mechanisms of evolution	Easy
148	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
149	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
150	How do de Vries's mutations differ from the variations Darwin described?	Biology/Biological Studies/Biotechnology/Biochemistry Mechanisms of evolution	Hard
151	According to the Hardy–Weinberg equation, the frequency of heterozygotes is given by	Biology/Biological Studies/Biotechnology/Biochemistry Hardy-Weinberg principle	Easy
152	Which of the following does not disturb Hardy–Weinberg equilibrium?	Biology/Biological Studies/Biotechnology/Biochemistry Hardy-Weinberg principle	Easy
153	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
154	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
155	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
156	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
157	Which hominid is considered the first human-like being and had a brain capacity of about 650–800 cc?	Biology/Biological Studies/Biotechnology/Biochemistry History of life and human evolution	Easy
158	Which group of fish is believed to have given rise to the first amphibians?	Biology/Biological Studies/Biotechnology/Biochemistry History of life and human evolution	Medium
159	Which hominid buried its dead and lived in near-east and central Asia between about 1,00,000 and 40,000 years…	Biology/Biological Studies/Biotechnology/Biochemistry History of life and human evolution	Medium
160	Arrange the following in the order of increasing brain capacity: Homo erectus, Neanderthal man, Homo habilis.	Biology/Biological Studies/Biotechnology/Biochemistry History of life and human evolution	Hard