POST UTME FUTO 2021 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 2.5-mL sample of a 0.15 M glu\cose solution is diluted to a total volume of 10 mL. What is the concentration of glu\cose in the final solution?
A. 0.015 M
B. 0.03 M
C. 0.045 M
D. 0.06 M
Question 2
A population of rabbits is growing according to the \logistic growth model. If the initial population size is 100 and the carrying capacity is 1000, what is the population size after 5 generations?
A. 200
B. 400
C. 600
D. 800
Question 3
A species of plant has a unique adaptation that allows it to survive in a saline environment. Which of the following is a characteristic of this adaptation?
A. High salt tolerance
B. Specialized root system
C. Waxy leaf coating
D. Deep taproot
Question 4
In the context of osmoregulation, what is the primary function of the hormone vasopres\sin?
A. To increase water reabsorption in the kidneys
B. To decrease water reabsorption in the kidneys
C. To regulate electrolyte balance
D. To stimulate thirst
Question 5
In a tropical rainforest, the primary consumers are primarily herbivores that feed on the abundant plant life. Which of the following is a characteristic of these herbivores?
A. They have a large body size
B. They have a high metabolic rate
C. They have a specialized digestive system
D. They are primarily nocturnal
Question 6
In the context of hormonal coordination, what is the primary function of the pituitary gland?
A. Regulation of hormone secretion
B. Control of hunger and thirst
C. Maintenance of blood pressure
D. Regulation of body temperature
Question 7
A patient is diagnosed with a disease caused by a virus that replicates through a process of transcription and translation. Which of the following is a characteristic of this virus?
A. It has a DNA genome
B. It has a RNA genome
C. It has a protein coat
D. It has a lipid envelope
Question 8
In a population of Drosophila melanogaster, the frequency of the recessive allele 'b' for black eyes is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'B'B'?
A. 0.16
B. 0.24
C. 0.32
D. 0.36
Question 9
A diagram of the human circulatory system is shown below. Which of the following structures is responsible for the exchange of oxygen and carbon dioxide?
A. A
B. B
C. C
D. D
Question 10
A researcher is studying the effect of pH on the growth of E. coli. The graph below shows the growth rate of E. coli at different pH levels. What is the pH level at which the growth rate is maximum?
A. 6.5
B. 7.0
C. 7.5
D. 8.0
Question 11
In the context of excretion and osmoregulation, what is the primary function of the kidneys?
A. To regulate electrolyte balance
B. To stimulate the release of ADH and aldosterone
C. To detect changes in blood osmolality and regulate thirst and hunger
D. To control blood pressure
Question 12
A 2-year-old child is diagnosed with a genetic disorder that affects the production of a specific enzyme. The child's parents are both carriers of the mutated gene. What is the probability that their next child will be affected by the disorder?
A. 0.25
B. 0.5
C. 0.75
D. 0.9
Question 13
A forest e\cosystem is characterized by a diverse array of plant and animal species. Which of the following is a characteristic of this e\cosystem?
A. It has a simple food chain
B. It has a complex food web
C. It has a high level of biodiversity
D. It has a low level of productivity
Question 14
In the context of hormonal coordination, what is the primary function of the hypothalamus?
A. Regulation of body temperature
B. Control of hunger and thirst
C. Regulation of hormone secretion
D. Maintenance of blood pressure
Question 15
In the context of excretion and osmoregulation, what is the primary function of the kidneys?
A. Regulation of blood pressure
B. Maintenance of electrolyte balance
C. Removal of waste products
D. Regulation of blood pH

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: