POST UTME AFE BABALOLA UNIVERSITY 2018 Biology | Objective
Practice these randomly selected questions to test your readiness.
Question 1
A diagram of a human respiratory system is shown below. Identify the part of the system responsible for gas exchange.
Question 2
The classification of living things into kingdoms is based on
Question 3
A diagram of a human nervous system is shown below. Identify the part of the system responsible for transmitting signals to the brain.
Question 4
In a eukaryotic cell, the process of mitosis involves the separation of chromosomes into two daughter cells. Which of the following stages of mitosis is characterized by the alignment of chromosomes at the metaphase plate?
Question 5
A population of bacteria grows according to the equation \frac{dP}{dt} = rP\( 1 - \frac{P}{K} \). If the initial population is 100 and the carrying capacity is 1000, what is the population after 5 time units?
Question 6
A 55-year-old man with a history of hypertension presents with symptoms of heart failure. His left ventricular ejection \fraction (LVEF) is 30%. What is the likely diagnosis?
Question 7
In asexual reproduction, what is the primary mechanism by which genetic variation is introduced?
Question 8
A population of plants is growing in a field. The plants are competing for resources such as water and nutrients. The population size is initially 100 plants and is increa\sing at a rate of 15% per day. After 10 days, the population size is 3200 plants. What is the growth rate of the population per day?
Question 9
A 2.5 L flask contains 0.5 mol of an ideal gas at 27°C. Calculate the pressure of the gas in atmospheres.
Question 10
A species of plant is found in a tropical rainforest, where it grows in the understory. What type of eco\logical niche does this plant occupy?
Question 11
A geneticist is studying the inheri\tance of a trait in a family. The trait is determined by a \single gene with two alleles: A and a. The geneticist finds that the offspring of two heterozygous parents (Aa x Aa) have a 25% chance of inheriting the A allele and a 75% chance of inheriting the a allele. What is the genotype of the parents?
Question 12
A 0.1 M solution of HCl is mixed with a 0.1 M solution of NaOH. Calculate the pH of the resulting solution.
Question 13
The process by which an organism becomes better suited to its environment is called
Question 14
The biome that is characterized by a large amount of rainfall and a dense cover of vegetation is called
Question 15
The process of digestion in the human body involves the breakdown of food into smaller molecules. Which of the following enzymes is responsible for the breakdown of proteins?
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