POST UTME UNIOSUN 2021 Biology | Objective
Practice these randomly selected questions to test your readiness.
Question 1
In a eukaryotic cell, the \endoplasmic reticulum is involved in which of the following processes?
Question 2
A plant with the genotype 'Rr' is crossed with a plant with the genotype 'rr'. What is the probability that the offspring will have the genotype 'Rr'?
Question 3
In the process of respiration, which of the following structures is responsible for the exchange of oxygen and carbon dioxide?
Question 4
A population of 1000 individuals has a mean height of 170 cm and a s\tandard deviation of 10 cm. If a sample of 50 individuals is taken from the population, what is the probability that the sample mean height will be greater than 175 cm?
Question 5
The process of meiosis in eukaryotic cells results in the production of which of the following types of cells?
Question 6
Which of the following hormones plays a crucial role in regulating growth and development in the body?
Question 7
A species of bird has a wing span of 1.5 meters. If the bird is flying at a speed of 50 km/h, what is the power output of the bird's wings?
Question 8
In a random sample of 1000 people, 60% are male and 40% are female. If 20 people are randomly selected, what is the probability that at least 10 of them are male?
Question 9
In a certain e\cosystem, the population of rabbits (R) and foxes (F) is governed by the following differential equations:\\( \frac{dR}{dt} = 0.5R - 0.02RF \\ \\ \frac{dF}{dt} = 0.01RF - 0.3F \\ \\ \\ \text{If} \\ R(0) = 100 \\ \\ \text{and} \\ F(0) = 20, \\ \\ \text{find} \\ R(10) \\ \\ \text{and} \\ F(10).
Question 10
A diagram of a titration setup is shown below. Identify the part labeled A.
Question 11
In the process of osmoregulation, which of the following structures plays a crucial role in maintaining the balance of electrolytes and water in the body?
Question 12
The process by which an organism's genetic information is passed from one generation to the next is known as?
Question 13
A diagram of a simple circuit is shown below. Identify the part labeled A.
Question 14
In a desert e\cosystem, the primary producers are typically which of the following plants?
Question 15
The diagram below shows the structure of a mitochondrion. Which of the following is the function of the cristae?
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