POST UTME JOSEPH AYO BABALOLA UNIVERSITY 2020 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A species of bird (Passer domesticus) has a unique mating behavior. Which of the following is the primary reason for this behavior?
A. Territorial defense
B. Mating competition
C. Parental care
D. Food caching
Question 2
A researcher isolates a microorganism that is capable of degrading plastic. Which of the following enzymes is most likely responsible for this process?
A. Lipase
B. Protease
C. Amylase
D. Polymerase
Question 3
The nervous system is responsible for _______.
A. Regulating body temperature
B. Controlling blood pressure
C. Coordinating movements and sensations
D. Producing hormones
Question 4
The type of biome that is characterized by a tropical rainforest climate is known as
A. Tropical Rainforest
B. Desert
C. Grassland
D. Temperate Rainforest
Question 5
In a photosynthetic pathway, which of the following is the primary electron acceptor in the light-dep\endent reactions?
A. P680
B. P700
C. FAD
D. NADP+
Question 6
The human digestive system is responsible for breaking down food into nutrients that can be absorbed by the body. What is the primary function of the pancreas in the digestive system?
A. To produce digestive enzymes to break down proteins, carbohydrates, and fats
B. To produce hormones to regulate blood sugar levels
C. To produce bile to emulsify fats
D. To absorb nutrients from the small intestine
Question 7
The diagram below shows the structure of a plant root. Which part of the root is responsible for absorbing water and minerals from the soil?
A. A
B. B
C. C
D. D
Question 8
In a xylem vessel, water is transported from the roots to the leaves through a process called
A. osmosis
B. diffusion
C. transpiration
D. capillary action
Question 9
A diagram of the human heart is shown below. What is the primary function of the atrioventricular (AV) node?
A. Regulating heart rate
B. Conducting electrical impulses
C. Pumping blood to the lungs
D. Pumping blood to the body
Question 10
The xylem is responsible for transporting _______ from the roots to the leaves.
A. Water and minerals
B. Sugars and amino acids
C. Hormones and waste products
D. Oxygen and carbon dioxide
Question 11
A species of fish (Salmo salar) has a unique adaptation to navigate through its environment. Which of the following is the primary mechanism by which this adaptation occurs?
A. Lateral line system
B. Statocysts
C. Pit organs
D. Barbels
Question 12
The type of tissue that is composed of nerve cells is known as
A. Epithelial Tissue
B. Connective Tissue
C. Muscle Tissue
D. Nervous Tissue
Question 13
The diagram below shows the structure of a human eye. Which part of the eye is responsible for focu\sing light onto the retina?
A. A
B. B
C. C
D. D
Question 14
In the human eye, the cornea and lens work together to focus light on the retina. However, the cornea is responsible for most of the eye's re\fractive power. What is the primary function of the cornea in the eye?
A. To focus light on the retina
B. To re\fract light into the eye
C. To regulate the amount of light entering the eye
D. To maintain the shape of the eye
Question 15
A diagram of a cell membrane is shown below. Which of the following molecules is most likely to be embedded in the phospholipid bilayer?
A. Phospholipid
B. Protein
C. Carbohydrate
D. Lipid

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