POST UTME UNN 2022 Biology | Objective
Practice these randomly selected questions to test your readiness.
Question 1
The diagram below represents a cross-section of a plant root. Identify the part labeled 'A'
Question 2
A plant with the genotype 'Tt' is crossed with a plant with the genotype 'tt'. What is the probability that the offspring will have the genotype 'Tt'?
Question 3
The human eye has a lens that can change shape to focus on objects at different dis\tances. This is an example of
Question 4
A researcher is studying the effect of temperature on the rate of enzyme-catalyzed reactions. Which of the following graphs best represents the relationship between temperature and the rate of reaction?
Question 5
A 10 L flask contains 1 M HCl. If 2 L of 2 M NaOH is added to the flask, what is the concentration of the resulting solution?
Question 6
A diagram of a plant cell is shown below. Identify the part labeled 'A'.
Question 7
A researcher is studying the effect of a new medication on blood pressure. The data shows a significant decrease in blood pressure after treatment. What type of statistical analysis would be most appropriate to use?
Question 8
In the context of evolutionary bio\logy, what is the primary mechanism by which species adapt to their environment?
Question 9
A 2.5 L flask contains 0.5 M HCl. If 0.5 L of 1.0 M NaOH is added to the flask, what is the concentration of the resulting solution?
Question 10
The process of photosynthesis in plants involves the conversion of carbon dioxide and water into glu\cose and oxygen through the action of
Question 11
The process of asexual reproduction in which a new individual is produced from a part of the parent's body is called
Question 12
In a xylem vessel, water is transported from the roots to the leaves through the process of
Question 13
In a population of Drosophila melanogaster, the frequency of the recessive allele 'r' is 0.2. If the Hardy-Weinberg principle holds, what is the expected frequency of the homozygous dominant genotype 'RR'?
Question 14
A diagram of the water cycle is shown below. Which process is responsible for the formation of clouds?
Question 15
A population of bacteria is growing exponentially. If the initial population is 50 and the population triples every 3 hours, what is the population after 9 hours?
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