POST UTME ELIZADE UNIVERSITY 2018 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the context of cell structure, what is the term for the region of the cell where proteins are synthesized?
A. Nucleus
B. Mitochondria
C. Endoplasmic Reticulum
D. Ribosome
Question 2
The human circulatory system is responsible for transporting oxygen and nutrients to cells and removing waste products. Which of the following is a type of blood vessel?
A. Artery
B. Vein
C. Capillary
D. Blood vessel
Question 3
In the context of the nervous system, what is the primary function of the neurotransmitter acetylcholine?
A. Excitation of muscle fibers
B. Inhibition of muscle fibers
C. Transmission of nerve impulses
D. Regulation of heart rate
Question 4
The human eye is a complex sense organ that is responsible for detecting light and transmitting visual information to the brain. Which of the following is a type of cell found in the retina?
A. Rod cells
B. Cones
C. Bipolar cells
D. Ganglion cells
Question 5
A plant with the genotype AaBbCcc is crossed with a plant with the genotype AAbbCC. What is the probability that the offspring will have the genotype AaBbCc?
A. 0.5
B. 0.6
C. 0.7
D. 0.8
Question 6
What is the term for the process by which plants convert light energy into chemical energy?
A. Photosynthesis
B. Respiration
C. Transpiration
D. Evaporation
Question 7
Which of the following is an example of a biome in eco\logy?
A. Grassland e\cosystem
B. Desert e\cosystem
C. Rainforest e\cosystem
D. Tundra e\cosystem
Question 8
In the human body, the nervous system and the \endocrine system work together to coordinate various functions. Which of the following is an example of a hormone produced by the \endocrine system?
A. Insulin
B. Adrenaline
C. Thyroxine
D. Growth hormone
Question 9
In the context of sense organs, what is the primary function of the retina in the eye?
A. Detection of light and color
B. Regulation of pupil size
C. Production of tears and mucus
D. Transmission of signals to the brain
Question 10
Which of the following is an example of a symbiotic relationship in eco\logy?
A. Predator-prey relationship between lions and zebras
B. Competition between two species for resources
C. Mutualism between clownfish and sea anemones
D. Commensalism between birds and trees
Question 11
In the context of transport systems, what is the primary function of the xylem in plants?
A. Transport of water and minerals from the roots to the leaves
B. Transport of sugars and amino acids from the leaves to the roots
C. Regulation of water potential in the plant
D. Production of ethylene gas for fruit ripening
Question 12
A diagram of a human digestive system is shown below. What is the function of the structure labeled 'B'?
A. absorption of nutrients
B. breakdown of proteins
C. production of digestive enzymes
D. storage of food
Question 13
What is the primary function of the nervous system in humans?
A. Detection of light and color
B. Regulation of pupil size
C. Production of tears and mucus
D. Transmission of signals to the brain
Question 14
In a desert e\cosystem, the primary producers are typically plants that have adapted to survive in the harsh conditions. What is the name of the type of plant that is commonly found in deserts?
A. Cacti
B. Succulents
C. Grasses
D. Trees
Question 15
What is the primary function of the digestive system in humans?
A. Absorption of oxygen and release of carbon dioxide
B. Transport of nutrients and waste products
C. Breakdown of complex molecules into simpler ones
D. Production of hormones and enzymes

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