POST UTME IMS U 2020 Biology | Objective
Practice these randomly selected questions to test your readiness.
Question 1
In a population of Drosophila melanogaster, the frequency of the recessive allele 'b' for black eyes is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'B'B?
Question 2
A bio\logist is studying the reproductive cycle of a species of frog. Which of the following stages is characterized by the formation of a zygote?
Question 3
In a eukaryotic cell, the process of mitosis is initiated by the breakdown of the nuclear envelope, which is triggered by the activation of the
Question 4
A study on the genetic variation of a population found that the frequency of the dominant allele (A) is 0.6, while the frequency of the recessive allele (a) is 0.4. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype (AA)?
Question 5
The process of meiosis is responsible for the production of gametes in sexually reproducing organisms. Which of the following is a characteristic of meiosis?
Question 6
A 40-year-old man presents with a 5-year history of progressive shortness of breath. His chest X-ray shows a large right-sided pleural effusion. What is the most likely diagnosis?
Question 7
A population of bacteria grows according to the \logistic growth equation: dN/dt = rN\( 1 - N/K \). If the initial population size is 100, the carrying capacity is 1000, and the growth rate is 0.5, what is the population size at time t = 10?
Question 8
A diagram of a human circulatory system is shown below. Which of the following statements is true about the heart?
Question 9
A bio\logist studying the eco\logy of a forest e\cosystem observes that the population of a particular species of tree is increa\sing exponentially. Which of the following best describes the type of growth pattern exhibited by this species?
Question 10
The diagram below shows the structure of a plant cell. Which part is responsible for photosynthesis?
Question 11
In a population of 1000 individuals, 20% are heterozygous for a particular gene. If 10% of the population are homozygous recessive, what is the frequency of the dominant allele?
Question 12
A patient has been diagnosed with a kidney disease that affects the excretion of waste products. Which of the following organs is most likely to be affected?
Question 13
In a population of Drosophila melanogaster, the frequency of the recessive allele 'r' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype?
Question 14
A 2.5 L flask contains 0.5 mol of an ideal gas at 298 K. If 1.0 mol of the gas is added to the flask, what is the new pressure?
Question 15
A population of rabbits is growing according to the \logistic growth model. If the initial population is 100, the carrying capacity is 1000, and the growth rate is 0.1, what is the population after 5 years?
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