POST UTME LASU 2025 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The process of mitosis results in the production of two daughter cells that are genetically identical to the parent cell. Which of the following stages of mitosis is responsible for the separation of chromosomes?
A. Anaphase
B. Telophase
C. Prophase
D. Metaphase
Question 2
In asexual reproduction, the offspring are genetically identical to the parent. Which of the following organisms reproduces asexually?
A. Bread mold
B. Fruit fly
C. Bacteria
D. Human
Question 3
In the context of nervous system coordination, what is the primary function of the cerebellum?
A. To regulate voluntary movements
B. To control sensory input
C. To manage balance and posture
D. To process visual information
Question 4
The process of meiosis results in the production of gametes with half the number of chromosomes as the parent cell. Which of the following stages of meiosis is responsible for the reduction in chromosome number?
A. Meiosis I
B. Meiosis II
C. Prophase I
D. Anaphase II
Question 5
A plant physio\logist is studying the transport of water and minerals in a plant. What type of transport system is responsible for the movement of water and minerals from the roots to the leaves?
A. Xylem
B. Phloem
C. Cortex
D. Endodermis
Question 6
The Hardy-Weinberg principle states that the frequency of alleles in a population will remain cons\tant from generation to generation if certain conditions are met. Which of the following conditions is NOT required for the Hardy-Weinberg principle to hold?
A. Random mating
B. No mutation
C. No gene flow
D. Cons\tant population size
Question 7
A diagram shows a cross-section of a plant root with a xylem vessel labeled A and a phloem vessel labeled B. If the xylem vessel is 2.5 cm in diameter and the phloem vessel is 1.8 cm in diameter, what is the ratio of the cross-sectional area of the xylem vessel to the cross-sectional area of the phloem vessel?
A. 1.39
B. 1.67
C. 2.00
D. 2.50
Question 8
What is the primary function of the Golgi apparatus in a cell?
A. Protein synthesis
B. Lipid synthesis
C. Modification and packaging of proteins and lipids
D. Cell signaling
Question 9
A diagram of the human circulatory system is shown below. What is the function of the coronary arteries?
A. To supply oxygenated blood to the heart muscle.
B. To remove deoxygenated blood from the heart muscle.
C. To regulate the heart rate.
D. To produce blood cells.
Question 10
The diagram below shows a cross-section of a neuron. Which of the following structures is responsible for the transmission of nerve impulses?
A. Axon
B. D\endrite
C. Cell body
D. Myelin sheath
Question 11
A 10-liter solution contains 3.2 liters of glu\cose (C6H12O6) and 6.8 liters of water (H2O). Calculate the concentration of glu\cose in the solution in g/L.
A. 320 g/L
B. 400 g/L
C. 480 g/L
D. 560 g/L
Question 12
The Hardy-Weinberg principle states that allele and genotype frequencies in a population will remain cons\tant from generation to generation in the absence of other evolutionary influences. Which of the following is a necessary condition for the Hardy-Weinberg principle to hold?
A. Random mating
B. No mutation
C. No gene flow
D. No natural selection
Question 13
What is the primary mechanism by which the pancreas regulates blood glu\cose levels?
A. Insulin secretion
B. Glucagon secretion
C. Somatostatin secretion
D. Gastrin secretion
Question 14
In a tropical rainforest e\cosystem, the primary consumers are primarily herbivores. What is the most likely reason for this phenomenon?
A. The herbivores have a higher metabolic rate than the carnivores.
B. The herbivores have a more efficient digestive system than the carnivores.
C. The herbivores have a lower predation pressure than the carnivores.
D. The herbivores have a higher reproductive rate than the carnivores.
Question 15
A plant is placed in a controlled environment with a cons\tant temperature and humidity. What is the primary effect of this environment on the plant's growth?
A. Increased growth rate
B. Decreased growth rate
C. No effect on growth rate
D. Increased root growth

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: