POST UTME REDEEMERS UNIVERSITY 2018 Biology | Objective
Practice these randomly selected questions to test your readiness.
Question 1
The xylem in plants is responsible for transporting water and minerals from the roots to the leaves. Which of the following is a characteristic of xylem tissue?
Question 2
A plant has a mutation in the gene encoding the enzyme RuBisCO, which is responsible for fixing CO2 in the Calvin cycle. Which of the following would most likely occur as a result of this mutation?
Question 3
The circulatory system of the human body is responsible for transporting oxygen and nutrients to cells and removing waste products. Which of the following blood vessels is responsible for carrying oxygenated blood from the lungs to the heart?
Question 4
The nervous system of the human body is responsible for transmitting and proces\sing information. Which of the following types of neurons is responsible for transmitting signals from sensory receptors to the central nervous system?
Question 5
A diagram of a plant cell is shown below. Which part of the cell is responsible for photosynthesis?
Question 6
A 30-year-old woman presents to the emergency department with a 2-day history of severe abdominal pain. She has a history of multiple sexual partners and has been u\sing condoms inconsistently. What is the most likely diagnosis?
Question 7
A diagram of a simple harmonic motion is shown below. What is the amplitude of the motion?
Question 8
A geneticist is studying the inheri\tance of a trait in a population of mice. She observes that the trait is inherited in an autosomal dominant pattern. Which of the following genotypes would most likely result in the expression of the trait?
Question 9
A 40-year-old man presents to the doctor with a 10-year history of progressive hearing loss. He has a family history of hearing loss. What is the most likely genetic disorder responsible for this man's condition?
Question 10
In a tropical rainforest e\cosystem, the primary producers are primarily composed of which of the following plant species?
Question 11
The process of osmosis occurs when water molecules move from an area of high concentration to an area of low concentration through a selectively permeable membrane. What is the term for the movement of water molecules from a region of low solute concentration to a region of high solute concentration?
Question 12
A population of Drosophila melanogaster is maintained in a laboratory. The population size is 1000 individuals and the sex ratio is 1:1. The population is allowed to grow for 10 generations, with a 20% increase in population size each generation. What is the expected population size after 10 generations?
Question 13
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?
Question 14
A 5-year-old child is brought to the hospital with a history of recurrent infections. The child's parents are first cou\sins. What is the most likely genetic disorder responsible for this child's condition?
Question 15
A diagram of the human eye is shown below. Which part of the eye is responsible for detecting light?
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