POST UTME LASU 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 30-year-old woman has a body mass index (BMI) of 35. Which of the following would be a likely consequence of this condition?
A. Type 2 diabetes
B. Hypertension
C. Hyperlipidemia
D. Obesity
Question 2
A diagram of a human brain is shown below. What is the function of the structure labeled 'D'?
A. Control of movement
B. Regulation of body temperature
C. Control of breathing
D. Regulation of body temperature and hunger
Question 3
A 30-year-old woman presents with a 5-year history of progressive shortness of breath. Her pulmonary function tests reveal a forced expiratory volume (FEV1) of 1.5 L. Which of the following is the most likely diagnosis?
A. Asthma
B. Chronic obstructive pulmonary disease (COPD)
C. Cystic fibrosis
D. Pulmonary embolism
Question 4
The process of natural selection can be described as a mechanism that favors the survival and reproduction of individuals with traits that are better suited to their environment. Which of the following is a key component of this process?
A. Genetic variation
B. Environmental pressure
C. Mutation
D. Gene flow
Question 5
A cell is placed in a solution with a pH of 5.5. What is the concentration of hydrogen ions in the solution?
A. 10^{-4.5}
B. 10^{-5.5}
C. 10^{-6.5}
D. 10^{-7.5}
Question 6
A diagram of a kidney is shown below. Identify the part labeled B.
A. Renal Cortex
B. Renal Pelvis
C. Ureter
D. Bladder
Question 7
The process of mitosis results in the production of daughter cells that are genetically identical to the parent cell. What is the primary function of the spindle fibers during mitosis?
A. To separate chromosomes
B. To align chromosomes
C. To package DNA
D. To regulate gene expression
Question 8
A 25-year-old female is experiencing severe abdominal pain and vomiting. Her blood pressure is low. Which of the following organs is most likely responsible for her symptoms?
A. Liver
B. Pancreas
C. Stomach
D. Small Intestine
Question 9
A diagram of a neuron is shown below. What is the function of the structure labeled 'A'?
A. Synthesis of neurotransmitters
B. Release of neurotransmitters
C. Reception of neurotransmitters
D. Transmission of action potentials
Question 10
In the xylem transport system, what is the primary function of the xylem parenchyma cells?
A. To store and transport water and minerals
B. To produce and store starch
C. To regulate the rate of water and mineral uptake
D. To facilitate the breakdown of complex organic molecules
Question 11
The kidneys play a crucial role in the regulation of electrolyte balance in the body. Which of the following electrolytes is primarily excreted in the urine?
A. Sodium
B. Potassium
C. Calcium
D. Magnesium
Question 12
A 20-year-old woman has a hemoglobin level of 8 g/dL. Which of the following would be a likely consequence of this condition?
A. Anemia
B. Thalassemia
C. Sickle cell disease
D. Polycythemia
Question 13
A 40-year-old woman has a serum calcium level of 12 mg/dL. Which of the following would be a likely consequence of this condition?
A. Hypercalcemia
B. Hypocalcemia
C. Hyperphosphatemia
D. Hypophosphatemia
Question 14
The classification of living organisms into kingdoms is based on the following characteristics. Which of the following is a key characteristic of the kingdom Animalia?
A. Multicellularity
B. Cell wall presence
C. Heterotrophy
D. Photosynthesis
Question 15
In the context of tissue organization, what is the primary function of the basement membrane in epithelial tissues?
A. To provide structural support to the tissue
B. To regulate the movement of ions and molecules across the epithelial layer
C. To facilitate the exchange of oxygen and nutrients with the bloodstream
D. To act as a barrier against pathogens and toxins

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