POST UTME KSU 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the context of hormonal coordination, what is the primary function of the hypothalamic-pituitary-adrenal (HPA) axis?
A. Regulation of body temperature
B. Stimulation of the immune system
C. Maintenance of homeostasis
D. Regulation of appetite and satiety
Question 2
The nervous system's ability to coordinate voluntary movements is primarily due to the integration of signals from which of the following?
A. Sensory receptors
B. Motor neurons
C. Interneurons
D. Reflex arcs
Question 3
Classify the following organisms into their respective kingdoms: Bacteria, Archaea, Protista, Fungi, Animalia, Plantae, and Monera.
A. Bacteria: Monera, Archaea: Protista, Fungi: Animalia, Plantae: Monera
B. Bacteria: Monera, Archaea: Protista, Fungi: Animalia, Plantae: Protista
C. Bacteria: Monera, Archaea: Protista, Fungi: Animalia, Plantae: Animalia
D. Bacteria: Monera, Archaea: Protista, Fungi: Protista, Plantae: Animalia
Question 4
What is the primary function of the phagocytic cells in the immune system?
A. Production of antibodies
B. Activation of immune cells
C. Phagocytosis of foreign particles
D. Regulation of immune response
Question 5
The classification of living organisms is based on
A. morpho\logy
B. physio\logy
C. biochemistry
D. genetics
Question 6
In the context of genetics, what is the term for the process by which a gene is turned on or off?
A. Gene expression
B. Gene regulation
C. Gene mutation
D. Gene duplication
Question 7
A 2-year-old child is brought to the hospital with a history of seizures and developmental delays. The child's MRI scan shows a large cystic lesion in the cerebral cortex. What is the most likely diagnosis?
A. Tuberous Sclerosis Complex
B. Neurofibromatosis Type 1
C. Sturge-Weber Syndrome
D. Focal Cortical Dysplasia
Question 8
A patient is diagnosed with a bacterial infection caused by Staphylococcus aureus. The patient's blood culture shows a colony count of 10^6 CFU/mL. What is the approximate number of bacteria in the patient's blood?
A. 10^4
B. 10^5
C. 10^6
D. 10^7
Question 9
What is the primary difference between the nervous and hormonal systems in terms of signal transmission?
A. Speed of signal transmission
B. Method of signal transmission
C. Location of signal transmission
D. Type of signal transmitted
Question 10
The process of photosynthesis in plants involves the conversion of which of the following into glu\cose?
A. Carbon dioxide
B. Water
C. Light energy
D. Oxygen
Question 11
In the context of eco\logical succession, what is the term for the process by which a community of organisms becomes more complex and diverse over time?
A. Primary succession
B. Secondary succession
C. Successional lag
D. E\cosystem engineering
Question 12
A patient is undergoing a routine physical examination. The patient's blood pressure is measured at 140/90 mmHg. What is the patient's blood pressure classification according to the American Heart Association?
A. Normal
B. Elevated
C. Stage 1 Hypertension
D. Stage 2 Hypertension
Question 13
The process of natural selection can be described as a mechanism of evolution that favors the survival and reproduction of individuals with which of the following traits?
A. Genetic diversity
B. Adaptation to environment
C. Reproductive success
D. Genetic drift
Question 14
The human eye's ability to detect light is primarily due to the presence of which of the following photoreceptors?
A. Rods
B. Cones
C. Bipolar cells
D. Ganglion cells
Question 15
A 0.5 kg block is attached to a horizontal spring with a force cons\tant of 100 N/m. If the block is displaced by 0.2 m from its equilibrium position and released, what is the maximum speed of the block?
A. 1.6 m/s
B. 2.0 m/s
C. 2.5 m/s
D. 3.0 m/s

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