POST UTME CRAWFORD UNIVERSITY 2023 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram of a plant's xylem and phloem is shown below. What is the primary function of the xylem?
A. Transport of water and minerals
B. Transport of sugars and amino acids
C. Cell signaling
D. Cell division
Question 2
In the context of microorganisms and diseases, what is the primary function of the immune system?
A. To produce antibodies to fight off pathogens
B. To produce cytokines to activate immune cells
C. To produce interferons to inhibit viral replication
D. To produce complement proteins to lyse pathogens
Question 3
In the context of evolutionary theories, what is the primary mechanism driving the process of speciation in allopatric populations?
A. Genetic drift
B. Gene flow
C. Natural selection
D. Mutation
Question 4
A diagram of the human eye is shown below. Which part of the eye is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 5
In the context of classification of living things, what is the primary function of the kingdom level?
A. To group organisms based on their cell structure
B. To group organisms based on their genetic makeup
C. To group organisms based on their metabolic processes
D. To group organisms based on their eco\logical niches
Question 6
A diagram of the human eye is shown below. Identify the part labeled 'A' in the diagram.
A. Cornea
B. Iris
C. Retina
D. Lens
Question 7
A diagram of the human reproductive system is shown below. Which part of the system is responsible for producing sperm?
A. Testes
B. Epididymis
C. Vas deferens
D. Prostate gland
Question 8
In the context of classification of living things, what is the primary function of the kingdom level?
A. To group organisms based on their cell structure
B. To group organisms based on their body structure
C. To group organisms based on their metabolic processes
D. To group organisms based on their genetic makeup
Question 9
A researcher is studying the effects of pH on the growth of E. coli bacteria. The researcher measures the growth rate of the bacteria at different pH levels and plots the data on a graph. What type of graph would the researcher most likely use to represent the data?
A. Bar graph
B. Line graph
C. Scatter plot
D. Histogram
Question 10
The nervous system is responsible for transmitting and proces\sing information. Which of the following is a type of neural transmission?
A. Electrical transmission.
B. Chemical transmission.
C. Mechanical transmission.
D. Thermal transmission.
Question 11
The diagram below shows the structure of a plant cell. Identify the part labeled A.
A. Cell Wall
B. Chloroplast
C. Vacuole
D. Nucleus
Question 12
In the context of tissue structure, what is the primary function of the basement membrane?
A. To provide structural support
B. To regulate cell growth
C. To facilitate cell migration
D. To maintain tissue integrity
Question 13
A patient presents with symptoms of a viral infection. Which of the following microorganisms is most likely responsible for this condition?
A. Bacteria
B. Fungi
C. Parasites
D. Viruses
Question 14
A diagram of the human respiratory system is shown below. Identify the part labeled 'B' in the diagram.
A. Nose
B. Mouth
C. Trachea
D. Larynx
Question 15
A diagram of a cell's mitotic spindle is shown below. What is the primary function of the mitotic spindle?
A. Separation of chromosomes during cell division
B. Transport of water and minerals
C. Cell signaling
D. Cell division

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