POST UTME UI 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The process by which an organism's genetic information is passed from one generation to the next is known as
A. Heritability
B. Inheri\tance
C. Mutation
D. Genetic Drift
Question 2
The type of e\cosystem that is characterized by a large number of species and a complex food web is known as
A. Desert E\cosystem
B. Tropical Rainforest E\cosystem
C. Grassland E\cosystem
D. Arctic Tundra E\cosystem
Question 3
A researcher is studying the effects of light intensity on photosynthesis in a controlled environment. What is the primary factor that affects the rate of photosynthesis?
A. Temperature
B. Light intensity
C. Water availability
D. CO2 concentration
Question 4
In a certain species of animal, the males are either black or white. If 70% of the males are black, and 30% are white, what is the probability that a randomly selected male is black, given that it is either black or white?
A. 0.7
B. 0.8
C. 0.9
D. 1.0
Question 5
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 6
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 7
The process of genetic drift in populations involves the random change in the frequency of a gene or trait. Which of the following factors can contribute to genetic drift?
A. Mutation
B. Genetic recombination
C. Genetic drift
D. All of the above
Question 8
The process of meiosis is a type of cell division that results in four daughter cells that are genetically unique from the parent cell. Which of the following stages of meiosis is characterized by the separation of homo\logous chromosomes?
A. Meiosis I
B. Meiosis II
C. Prophase I
D. Anaphase I
Question 9
The process of mitosis is a type of cell division that results in two daughter cells that are genetically identical to the parent cell. Which of the following stages of mitosis is characterized by the condensation of chromatin into visible chromosomes?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 10
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 11
A cell undergoing mitosis has a nucleus with 4 chromosomes. What is the total number of chromosomes in the daughter cells after mitosis?
A. 8
B. 16
C. 32
D. 64
Question 12
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 13
A 0.5 L flask contains 0.2 mol of an ideal gas at 37°C. If the gas is compressed to half its original volume, what is the new pressure of the gas?
A. 1.0 atm
B. 1.5 atm
C. 2.0 atm
D. 2.5 atm
Question 14
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 15
A researcher is studying the effects of pH on enzyme activity. What is the primary factor that affects the activity of the enzyme?
A. Temperature
B. pH
C. Substrate concentration
D. Enzyme concentration

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