POST UTME ESUT 2023 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram of the human digestive system is shown below. Identify the part labeled B.
A. Esophagus
B. Stomach
C. Small intestine
D. Large intestine
Question 2
A 32-year-old man is diagnosed with a condition characterized by the abnormal growth of cells in the epithelial tissue. Which of the following conditions is most likely responsible for his symptoms?
A. Squamous cell carcinoma
B. Adenocarcinoma
C. Small cell carcinoma
D. Large cell carcinoma
Question 3
In a diploid cell, what is the total number of chromosomes in the zygote?
A. 46
B. 92
C. 23
D. 46
Question 4
A 0.1 M solution of NaOH is mixed with a 0.2 M solution of HCl. What is the pH of the resulting solution?
A. 1
B. 2
C. 3
D. 4
Question 5
What is the term for the movement of water from the roots to the leaves of a plant?
A. Transpiration
B. Translocation
C. Osmosis
D. Diffusion
Question 6
A 29-year-old woman is diagnosed with a condition characterized by the abnormal growth of cells in the connective tissue. Which of the following conditions is most likely responsible for her symptoms?
A. Fibromatosis
B. Fibrosarcoma
C. Desmoid tumor
D. Osteosarcoma
Question 7
A species of bird has a beak shape that is adapted for cracking open nuts. If the beak shape is determined by a \single gene with two alleles, one of which is dominant and the other recessive, what is the genotype of a bird with a beak shape that is intermediate between the two extremes?
A. Bb
B. BB
C. bb
D. Bb or bb
Question 8
A 33-year-old man is diagnosed with a condition characterized by the abnormal growth of cells in the epithelial tissue. Which of the following conditions is most likely responsible for his symptoms?
A. Squamous cell carcinoma
B. Adenocarcinoma
C. Small cell carcinoma
D. Large cell carcinoma
Question 9
A patient is diagnosed with a bacterial infection caused by Staphylococcus aureus. Which of the following antibiotics is most effective against this bacterium?
A. Penicillin
B. Erythromycin
C. Ciprofloxacin
D. Vancomycin
Question 10
The process of photosynthesis in plants involves the conversion of light energy into chemical energy in the form of glu\cose. What is the overall equation for this process?
A. \( 6CO_2 + 6H_2O + light \ energy \rightarrow C_6H_{12}O_6 + 6O_2 \)
B. \( 6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2 \)
C. \( 6CO_2 + 6H_2O + light \ energy \rightarrow C_6H_{12}O_6 \)
D. \( 6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 \)
Question 11
What is the process by which an organism's genetic information is passed from one generation to the next?
A. Mutation
B. Genetic drift
C. Natural selection
D. Heritability
Question 12
What is the process by which plants convert light energy into chemical energy?
A. Respiration
B. Photosynthesis
C. Decomposition
D. Fermentation
Question 13
A 25-year-old woman presents with symptoms of malabsorption, including diarrhea and weight loss. Her stool examination reveals the presence of a parasite. Which of the following parasites is most likely responsible for her symptoms?
A. Giardia lamblia
B. Entamoeba histolytica
C. Ascaris lumbricoides
D. Trichuris trichiura
Question 14
The process of evolution is driven by the variation in genetic traits among individuals in a population, which is influenced by
A. Genetic drift
B. Mutation
C. Gene flow
D. Natural selection
Question 15
In the context of evolutionary theories, what is the primary mechanism by which natural selection acts on genetic variation in a population?
A. Genetic drift
B. Mutation
C. Gene flow
D. Differential reproduction

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