POST UTME UI 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram of a plant cell is shown below. Which of the following organelles is responsible for the synthesis of proteins?
A. Nucleus
B. Ribosome
C. Mitochondria
D. Chloroplast
Question 2
A plant is placed in a solution with a concentration of 0.1 M KCl. What is the concentration of K+ ions in the xylem sap?
A. 0.05 M
B. 0.1 M
C. 0.15 M
D. 0.2 M
Question 3
The process of hormonal coordination in the human body involves the release of hormones from the hypothalamus, which then stimulate the release of other hormones from the pituitary gland. Which of the following hormones is responsible for stimulating the release of growth hormone from the pituitary gland?
A. Growth hormone-relea\sing hormone (GHRH)
B. Growth hormone-inhibiting hormone (GHIH)
C. Thyroid-stimulating hormone (TSH)
D. Adrenocorticotropic hormone (ACTH)
Question 4
A researcher is studying the effect of temperature on the growth of a microorganism. Which of the following types of eco\logical niches would be most relevant to this study?
A. Habitat
B. Niche
C. E\cosystem
D. Biome
Question 5
The sense organ responsible for detecting changes in temperature is the?
A. Eye
B. Ear
C. Nose
D. Skin
Question 6
The process of growth and development in plants is controlled by what type of hormone?
A. Auxin
B. Gibberellin
C. Cytokinin
D. Ethylene
Question 7
What is the term for the process by which an organism produces offspring without the involvement of gametes?
A. Asexual reproduction
B. Sexual reproduction
C. Binary fission
D. Budding
Question 8
A plant cell undergoes mitosis to produce two daughter cells. What is the correct order of the stages of mitosis?
A. Prophase, metaphase, anaphase, telophase
B. Prophase, anaphase, metaphase, telophase
C. Metaphase, prophase, anaphase, telophase
D. Telophase, anaphase, metaphase, prophase
Question 9
A solution of 0.5 M glu\cose is prepared by dissolving 25 g of glu\cose in 100 mL of water. What is the concentration of glu\cose molecules in the solution?
A. 0.25 M
B. 0.5 M
C. 0.75 M
D. 1.0 M
Question 10
The classification of living things involves the grouping of organisms based on their shared characteristics and evolutionary relationships. Which of the following is an example of a domain in the classification of living things?
A. Kingdom
B. Phylum
C. Domain
D. Species
Question 11
In the human body, what is the term for the network of blood vessels that carries oxygen and nutrients to the cells?
A. Arterial system
B. Venous system
C. Capillary system
D. Lymphatic system
Question 12
In the context of osmoregulation, which of the following is a characteristic of the renal medulla?
A. High concentration of urea
B. High concentration of glu\cose
C. High concentration of ions
D. High concentration of water
Question 13
A researcher is studying the effect of temperature on the rate of a chemical reaction. She measures the rate of the reaction at different temperatures and plots the data on a graph. If the graph shows a linear relationship between temperature and reaction rate, what does this indicate about the effect of temperature on the reaction?
A. The reaction rate is directly proportional to the temperature.
B. The reaction rate is inversely proportional to the temperature.
C. The reaction rate is unaffected by the temperature.
D. The reaction rate is sigmoidally related to the temperature.
Question 14
A diagram of a human eye is shown below. Which of the following structures is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 15
A researcher is studying the effect of pH on the growth of a microorganism. Which of the following types of eco\logical niches would be most relevant to this study?
A. Habitat
B. Niche
C. E\cosystem
D. Biome

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