POST UTME UNILAG 2018 Biology | Objective
Practice these randomly selected questions to test your readiness.
Question 1
A researcher is studying the effect of temperature on the growth of a microorganism. The researcher measures the growth rate of the microorganism at different temperatures and plots the data on a graph. Which of the following graphs best represents the relationship between temperature and growth rate?
Question 2
A species of plant has a life cycle that includes both asexual and sexual reproduction. What is the primary advantage of asexual reproduction?
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
In a population of 1000 individuals, 60% are heterozygous for the ABO blood group gene, 20% are homozygous dominant, and 20% are homozygous recessive. What is the genotype frequency of the recessive allele?
Question 5
A diagram of the human skeletal system is shown below. Which of the following is the correct label for the part labeled 'B'?
Question 6
A species of bird has a unique mating ritual where the male bird builds a complex nest u\sing twigs and leaves. What type of reproduction is this an example of?
Question 7
In a tropical rainforest e\cosystem, the primary producers are plants that undergo photosynthesis. What is the net result of photosynthesis in terms of oxygen and glu\cose production?
Question 8
A diagram of a plant cell is shown below. Identify the organelle responsible for protein synthesis.
Question 9
The theory of evolution by natural selection was proposed by
Question 10
A patient has a tumor in the pituitary gland. Which of the following hormones is most likely to be affected by this tumor?
Question 11
A population of Drosophila melanogaster is maintained in a laboratory setting. The population exhibits a mean wing length of 3.5 mm. If the s\tandard deviation of wing length is 0.5 mm, what is the probability that a randomly selected individual will have a wing length greater than 4 mm?
Question 12
A patient with a genetic disorder has a mutation in the HBB gene. Which of the following is a possible consequence of this mutation?
Question 13
A species of fish has a unique adaptation where it can change its body color to bl\end in with its surroundings. What is the name of this adaptation?
Question 14
A 30-year-old female patient presents with symptoms of a viral infection. Her blood test shows a high level of IgM antibodies against the virus. Which of the following is the most likely stage of the immune response?
Question 15
In a photosynthetic pathway, which enzyme catalyzes the conversion of ribulose-1,5-bisphosphate to 3-phosphoglycerate?
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