POST UTME UNN 2017 Biology | Objective
Practice these randomly selected questions to test your readiness.
Question 1
The process of respiration in the human body involves the breakdown of glu\cose to produce energy in the form of ATP. What is the primary function of the mitochondria in this process?
Question 2
The classification of living things involves the grouping of organisms based on their characteristics. Which of the following is an example of a characteristic used to classify living things?
Question 3
The Hardy-Weinberg principle states that the frequency of alleles in a population will remain cons\tant from generation to generation if five conditions are met. Which of the following is NOT one of the conditions?
Question 4
A plant root has a surface area of 10 cm^2. If the root is exposed to a solution containing 0.1 M KCl, what is the rate of K+ uptake?
Question 5
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
Question 6
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells, each with the same number and kind of chromosomes as the parent cell, is known as
Question 7
The process of mitosis involves the division of a cell into two daughter cells. Which of the following stages of mitosis is responsible for the separation of chromosomes?
Question 8
The process of digestion in the human body involves the breakdown of large molecules of food into smaller molecules that can be absorbed and utilized by the body. Which of the following enzymes is responsible for breaking down proteins into amino acids?
Question 9
A species of plant has a seed production of 100 seeds per plant. If the seed production increases by 15% per generation, what is the seed production of the plant after 4 generations?
Question 10
A solution of glu\cose (C6H12O6) is titrated with a solution of potassium permanganate (KMnO4). The balanced equation for the reaction is: C6H12O6 + 6O2 → 6CO2 + 6H2O. If 25.0 mL of 0.100 M glu\cose solution is titrated with 0.0500 M KMnO4 solution, what is the number of moles of KMnO4 required?
Question 11
The type of classification that groups living organisms based on their evolutionary relationships, is known as
Question 12
A population of bacteria is growing exponentially with a growth rate of 20% per hour. If the initial population size is 1000, what is the population size after 3 hours?
Question 13
The process by which water moves through a plant, from the roots to the leaves, and is then released into the air as water vapor, is known as
Question 14
A researcher is studying the effect of temperature on the growth of a plant. The graph below shows the growth rate of the plant at different temperatures. What is the temperature at which the growth rate is maximum?
Question 15
The human body has a complex system for regulating the amount of water in the body. Which of the following is a mechanism that helps to conserve water?
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