POST UTME UI 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the context of evolutionary theories, what is the primary mechanism by which genetic drift influences the frequency of alleles in a population?
A. Mutation
B. Gene flow
C. Genetic drift
D. Natural selection
Question 2
The nervous system is responsible for transmitting signals throughout the body. Which of the following types of neurons is responsible for transmitting signals from sensory receptors to the central nervous system?
A. Motor Neurons
B. Sensory Neurons
C. Interneurons
D. Glial Cells
Question 3
A 2.5 L flask contains 0.5 mol of an ideal gas at 27°C. If 1.5 mol of the gas is added to the flask, what is the new pressure of the gas?
A. 1.5 atm
B. 2.0 atm
C. 2.5 atm
D. 3.0 atm
Question 4
The type of tissue that is found in the walls of blood vessels and is responsible for regulating blood pressure is known as
A. Cardiac Muscle
B. Skeletal Muscle
C. Smooth Muscle
D. Connective Tissue
Question 5
A diagram of a human kidney is shown below. What is the function of the part labeled 'B'?
A. Filtering waste from the blood
B. Regulating blood pressure
C. Producing hormones
D. Absorbing nutrients
Question 6
Asexual reproduction in plants can occur through the process of budding. What is the primary advantage of budding in plants?
A. It allows for rapid reproduction and colonization of new areas
B. It increases genetic diversity in the population
C. It is a \cost-effective method of reproduction
D. It is a method of reproduction that is indep\endent of environmental factors
Question 7
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells is known as
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endoreduplication
Question 8
The process of photosynthesis occurs in specialized organelles called chloroplasts. Which of the following is a byproduct of photosynthesis?
A. Glu\cose
B. Oxygen
C. Carbon dioxide
D. Water
Question 9
A 30-year-old female patient presents with symptoms of abdominal pain, nausea, and vomiting. Her blood pressure is 180/100 mmHg. Which of the following is the most likely cause of her hypertension?
A. Kidney disease
B. Heart disease
C. Liver disease
D. Pregnancy-induced hypertension
Question 10
The sense organ responsible for detecting changes in sound waves is the
A. Ear
B. Eye
C. Nose
D. Mouth
Question 11
A population of rabbits in a forest is growing at a rate of 20% per year. If the initial population is 100 rabbits, what will be the population after 5 years?
A. 1610
B. 1620
C. 1630
D. 1640
Question 12
The process of excretion in humans involves the removal of waste products from the body. Which of the following organs plays a crucial role in the excretory process?
A. Liver
B. Kidneys
C. Lungs
D. Skin
Question 13
The process of natural selection in populations involves the survival and reproduction of individuals with favorable traits. Which of the following is a key component of natural selection?
A. Variation in traits
B. Heritability of traits
C. Differential reproduction
D. All of the above
Question 14
The classification of living organisms into kingdoms is based on the following characteristics. Which of the following is a characteristic of the kingdom Animalia?
A. Multicellularity
B. Cell wall present
C. Heterotrophic
D. Asexual reproduction
Question 15
A diagram of a plant cell is shown below. What is the function of the part labeled 'A'?
A. Photosynthesis
B. Respiration
C. Transpiration
D. Osmosis

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