POST UTME AFE BABALOLA UNIVERSITY 2020 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The type of genetic variation that occurs when a new mutation arises in a population is known as
A. Genetic Drift
B. Mutation
C. Gene Flow
D. Natural Selection
Question 2
The sense organ that is responsible for detecting changes in light intensity is known as
A. Eye
B. Ear
C. Nose
D. Mouth
Question 3
The process by which an organism's genetic information is passed from one generation to the next is known as
A. Genetic Drift
B. Mutation
C. Gene Flow
D. Heritability
Question 4
A population of bacteria is growing according to the \logistic growth model. If the carrying capacity is 1000 and the initial population is 100, what will be the population after 10 generations?
A. 500
B. 750
C. 900
D. 1000
Question 5
A species of bird has a unique mating behavior where it performs a complex dance to attract a mate. The dance involves a series of intricate movements that are passed down from generation to generation. What type of reproduction is this an example of?
A. Asexual reproduction
B. Sexual reproduction
C. Parthenogenesis
D. Hermaphroditism
Question 6
What is the primary function of the mitochondria in eukaryotic cells?
A. Protein synthesis
B. Cell signaling
C. Energy production
D. Cell division
Question 7
A diagram of the human eye is shown below. Which part of the eye is responsible for adjusting the size of the pupil?
A. A
B. B
C. C
D. D
Question 8
In a certain e\cosystem, the population of rabbits is limited by the availability of food. If the population of rabbits is currently 100 and the carrying capacity of the e\cosystem is 500, what is the expected population of rabbits after one year if the growth rate is 0.2?
A. 120
B. 140
C. 160
D. 180
Question 9
A population of rabbits is growing exponentially. If the initial population is 100 and the growth rate is 20% per year, what will be the population after 5 years?
A. 1000
B. 2000
C. 4000
D. 8000
Question 10
What is the primary function of the Golgi apparatus in eukaryotic cells?
A. Protein synthesis
B. Cell signaling
C. Modification and packaging of proteins
D. Cell division
Question 11
The sense organ that is responsible for detecting changes in sound waves is known as
A. Eye
B. Ear
C. Nose
D. Mouth
Question 12
The process by which microorganisms cause disease in humans is known as
A. Infection
B. Toxicity
C. Allergenicity
D. Mutagenicity
Question 13
What is the term for the process by which cells become specialized to perform specific functions?
A. Differentiation
B. Mitosis
C. Meiosis
D. Apoptosis
Question 14
In the process of photosynthesis, what is the byproduct of the light-dep\endent reactions?
A. ATP and NADPH
B. Glu\cose and oxygen
C. Water and carbon dioxide
D. Protons and electrons
Question 15
A diagram of a plant's xylem and phloem is shown below. What is the primary function of the xylem in this plant?
A. transporting water and minerals
B. transporting sugars and amino acids
C. supporting the plant's structure
D. regulating the plant's temperature

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