POST UTME CRAWFORD UNIVERSITY 2022 Biology | Objective
Practice these randomly selected questions to test your readiness.
Question 1
The structure of the human eye is adapted for the detection of light and color. Which part of the eye is responsible for focu\sing light onto the retina?
Question 2
The classification of living organisms is based on their evolutionary relationships. Which of the following is an example of a monophyletic group?
Question 3
The type of tissue that is found in the skin and is responsible for the production of sweat is called
Question 4
A 2.5 L solution of 0.5 M NaCl is diluted to 5 L. What is the new concentration of NaCl in the solution?
Question 5
A population of Drosophila melanogaster is being studied for its genetic variation. The frequency of the recessive allele 'a' is 0.2. What is the expected frequency of the homozygous recessive genotype 'aa' in the population?
Question 6
The process of mitosis results in the production of two daughter cells that are genetically identical to the parent cell. Which of the following stages of mitosis is responsible for the separation of chromosomes into the daughter cells?
Question 7
The system of the body that is responsible for the production of urine is called
Question 8
The process by which an organism's genetic information is altered by external factors is called
Question 9
The diagram below shows a graph of the relationship between the concentration of a subs\tance and the rate of reaction. Which of the following types of reaction is represented by this graph?
Question 10
The diagram below shows a cross-section of a plant root. Which of the following structures is responsible for absorbing water and minerals from the soil?
Question 11
In a population of E. coli, the average generation time is 30 minutes. If the population is doubling every 10 minutes, what is the growth rate cons\tant (r) in units of 1/min?
Question 12
The system of the body that is responsible for the production of hormones that regulate growth and development is called
Question 13
A 5 L solution of 0.2 M NaOH is mixed with 2 L of 0.1 M HCl. What is the pH of the resulting solution?
Question 14
The human body has a complex system of growth and development, including the regulation of cell growth and division. Which of the following is a type of cell division?
Question 15
The type of tissue that is found in the walls of blood vessels and is responsible for the contraction and relaxation of the vessels is called
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