POST UTME WELLSPRING UNIVERSITY 2021 Biology | Objective
Practice these randomly selected questions to test your readiness.
Question 1
A 40-year-old female presents with a 2-year history of progressive dysphagia and weight loss. Esophagogastroduodenoscopy (EGD) reveals a stricture at the level of the lower esophagus. What is the most likely diagnosis?
Question 2
The process of photosynthesis in plants involves the conversion of light energy into chemical energy, resulting in the production of _______________________ and oxygen.
Question 3
A 25-year-old man presents with a 5-year history of progressive muscle weakness, wasting, and atrophy. Physical examination reveals a characteristic 'horseshoe' shape of the hands and feet. Laboratory tests reveal a high creatine kinase level and a low serum potassium level. Which of the following is the most likely diagnosis?
Question 4
The diagram below shows the structure of a plant cell. What is the function of the cell labeled 'A'?
Question 5
In the human body, the nervous system and the \endocrine system work together to regulate various bodily functions, including _______________________ and growth.
Question 6
A 35-year-old woman presents with a 2-year history of progressive weakness, fatigue, and shortness of breath. Physical examination reveals a pale complexion, dry skin, and brittle hair. Laboratory tests reveal a low hemoglobin level and a high mean corpuscular volume (MCV). Which of the following is the most likely diagnosis?
Question 7
A 20-year-old male presents with a 2-week history of progressive shortness of breath. Physical examination reveals a loud S3 gallop and a holosystolic murmur. Echocardiography shows a dilated left ventricle with a reduced ejection \fraction. What is the most likely diagnosis?
Question 8
In a community of organisms, the presence of a specific species can be described as a(n) _______________________.
Question 9
In a population of 1000 individuals, 70% are heterozygous for the gene controlling the production of a certain enzyme. If 20% of the population is homozygous recessive, what is the frequency of the recessive allele?
Question 10
A diagram of the human digestive system is shown below. What is the function of the pancreas?
Question 11
In the classification of living things, what is the primary criterion used to distinguish between prokaryotes and eukaryotes?
Question 12
A 50-g sample of a subs\tance is dissolved in 100 mL of water. What is the molarity of the solution?
Question 13
A 25-year-old male presents with a 3-day history of fever, headache, and stiff neck. Lumbar puncture reveals a cerebrospinal fluid (CSF) glu\cose level of 20 mg/dL and a protein level of 100 mg/dL. What is the most likely diagnosis?
Question 14
A diagram of the human respiratory system is shown below. What is the function of the alveoli?
Question 15
What is the process by which plants convert light energy into chemical energy?
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