Exam Body

Year

Subject

Paper Type

POST UTME IMS U 2024 Biology | Objective

Are you preparing for POST UTME IMS U exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2024 Biology (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1

In the context of evolutionary theory, what is the primary mechanism by which genetic drift influences the frequency of a particular allele in a population?

A. Natural selection

Correct B. Genetic drift

C. Gene flow

D. Mutation

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 2

A diagram of the human eye is shown below. Which part of the eye is responsible for detecting light?

A. Cornea

B. Iris

Correct C. Retina

D. Lens

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 3

In the context of reproductive bio\logy, what is the primary function of the zona pellucida in the process of fertilization?

A. To provide nutrients to the embryo

B. To facilitate sperm-egg interaction

C. To regulate the timing of ovulation

Correct D. To prevent polyspermy

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 4

A diagram of the human respiratory system is shown below. Which part of the system is responsible for exchanging oxygen and carbon dioxide?

A. Trachea

B. Bronchi

Correct C. Alveoli

D. Diaphragm

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 5

In the context of evolutionary theory, what is the primary mechanism by which natural selection acts on a population?

A. Genetic drift

B. Gene flow

C. Mutation

Correct D. Natural selection

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 6

A study on the genetic variation of a population found that the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the dominant allele 'A'?

Correct A. 0.6

B. 0.8

C. 0.4

D. 0.9

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 7

A researcher is studying the effect of temperature on the rate of photosynthesis in a plant. The data collected is as follows: Temperature (°C) 20 25 30 35 Rate of photosynthesis \( mg CO2/h \) 10 15 20 25

Correct A. \text{y = 0.5x + 5}

B. \text{y = 0.8x + 10}

C. \text{y = x - 5}

D. \text{y = 2x - 10}

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 8

A cell is placed in a solution with a concentration of 0.1 M glu\cose. The cell membrane is permeable to glu\cose. What is the concentration of glu\cose inside the cell after 10 minutes?

A. 0.01 M

Correct B. 0.05 M

C. 0.1 M

D. 0.5 M

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 9

A population of bacteria is growing exponentially. The initial population is 100 bacteria, and the population doubles every 2 hours. What is the population after 6 hours?

A. 1600

B. 2000

Correct C. 4000

D. 8000

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 10

A plant is placed in a greenhouse with a temperature of 25°C and a relative humidity of 60%. The plant requires a temperature of 20°C and a relative humidity of 80% to grow optimally. What is the rate of transpiration of the plant?

A. 0.1 g/h

B. 0.5 g/h

Correct C. 1.0 g/h

D. 2.0 g/h

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 11

In a steady-state condition, the rate of glu\cose uptake by a cell is equal to the rate of glu\cose release from the cell. What is the likely reason for this equilibrium?

A. The cell is in a state of dormancy.

B. The cell is undergoing rapid cell division.

C. The cell is in a state of nutrient scarcity.

Correct D. The cell is in a state of energy surplus.

Correct Answer: D

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 12

A plant root system consists of a taproot and a system of smaller lateral roots. What is the primary function of the taproot?

A. To anchor the plant in the soil.

Correct B. To absorb water and nutrients from the soil.

C. To store food and nutrients.

D. To produce hormones that regulate plant growth.

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 13

A diagram of a plant cell is shown below. What is the function of the structure labeled 'A'?

A. To regulate the movement of materials in and out of the cell.

B. To synthesize proteins.

Correct C. To store genetic information.

D. To produce energy for the cell.

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 14

A diagram of a human circulatory system is shown below. What is the function of the structure labeled 'B'?

Correct A. To pump blood throughout the body.

B. To filter waste products from the blood.

C. To regulate body temperature.

D. To produce hormones that regulate body functions.

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 15

A diagram of a plant root system is shown below. What is the primary function of the structure labeled 'C'?

A. To anchor the plant in the soil.

Correct B. To absorb water and nutrients from the soil.

C. To store food and nutrients.

D. To produce hormones that regulate plant growth.

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 16

In the context of cell division, what is the primary function of the centrioles during the prophase stage of mitosis?

Correct A. To form the spindle fibers

B. To replicate the DNA

C. To condense the chromatin

D. To form the nuclear envelope

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 17

A patient is diagnosed with a bacterial infection. The bacteria are gram-positive and have a characteristic 'safety pin' appearance under the microscope. What is the most likely genus of the bacteria?

Correct A. Staphylococcus

B. Streptococcus

C. Bacillus

D. Clostridium

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 18

A diagram of the human brain is shown below. Which part of the brain is responsible for proces\sing visual information?

Correct A. Cerebrum

B. Cerebellum

C. Brainstem

D. Spinal cord

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 19

A patient is diagnosed with a viral infection. The virus has a characteristic 'herringbone' appearance under the electron microscope. What is the most likely family of the virus?

Correct A. Poxviridae

B. Herpesviridae

C. Adenoviridae

D. Retroviridae

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 20

A diagram of the human eye is shown below. Which part of the eye is responsible for adjusting the size of the pupil?

A. Cornea

Correct B. Iris

C. Lens

D. Retina

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 21

In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. The frequency of the dominant allele 'A' is therefore 0.8. U\sing the Hardy-Weinberg principle, calculate the frequency of the genotype 'AA' in the population.

Correct A. 0.64

B. 0.36

C. 0.16

D. 0.04

Correct Answer: A

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 22

A 2.5-liter flask contains 1.5 liters of a solution with a pH of 3.5. What is the concentration of hydrogen ions in the solution?

A. 0.01 M

Correct B. 0.1 M

C. 1 M

D. 10 M

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 23

A researcher is studying the effect of temperature on the growth of E. coli. The researcher measures the growth rate of the bacteria at different temperatures and plots the data on a graph. Which of the following types of graphs would be most appropriate for this data?

A. Line graph

B. Bar graph

Correct C. Scatter plot

D. Histogram

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 24

A 50-kg person is s\tanding on a scale in an elevator. The elevator is accelerating upward at 2 m/s^2. What is the reading on the scale?

A. 50 N

B. 60 N

Correct C. 70 N

D. 80 N

Correct Answer: C

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

Question 25

A plant has a photosynthetic rate of 10 μmol CO2/s. If the concentration of CO2 in the air is 400 ppm, what is the rate of photosynthesis?

A. 4 μmol CO2/s

Correct B. 10 μmol CO2/s

C. 20 μmol CO2/s

D. 40 μmol CO2/s

Correct Answer: B

Want to see the full step-by-step solution? Unlock AI Explanation & Analytics

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:

Chat with Support