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POST UTME FUTA 2023 Biology | Objective

Are you preparing for POST UTME FUTA exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2023 Biology (Objective) questions designed to simulate the real exam environment.

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Question 1

In a tropical rainforest, the primary consumers are primarily herbivores. Which of the following is a characteristic of the primary consumers in this e\cosystem?

Correct A. They have a high metabolic rate

B. They have a low population density

C. They are primarily carnivores

D. They have a long lifespan

Correct Answer: A

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Question 2

A plant cell has a high concentration of solutes in its vacuole. What is the primary function of the vacuole in this cell?

Correct A. To maintain turgor pressure

B. To store excess water

C. To synthesize proteins

D. To regulate pH levels

Correct Answer: A

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Question 3

A diagram of a xylem vessel is shown below. What is the primary function of the xylem vessel in a plant?

Correct A. To transport water and minerals from the roots to the leaves

B. To transport sugars from the leaves to the roots

C. To synthesize proteins in the leaves

D. To regulate pH levels in the soil

Correct Answer: A

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Question 4

A diagram of a titration setup is shown below. What is the primary purpose of the titration setup?

Correct A. To determine the concentration of a solution

B. To synthesize a new compound

C. To separate a mixture of compounds

D. To analyze the properties of a solid

Correct Answer: A

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Question 5

A diagram of a plant cell is shown below. What is the primary function of the mitochondria in this cell?

A. To synthesize proteins

B. To store excess water

C. To regulate pH levels

Correct D. To generate energy for the cell

Correct Answer: D

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Question 6

In a population of Drosophila melanogaster, the frequency of the recessive allele 'r' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype?

A. 0.16

B. 0.32

Correct C. 0.64

D. 0.80

Correct Answer: C

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Question 7

A 5% solution of glu\cose in water has a density of 1.05 g/mL. If 250 mL of this solution is diluted to a total volume of 500 mL, what is the concentration of glu\cose in the final solution?

A. 1.25%

Correct B. 2.5%

C. 3.75%

D. 5.0%

Correct Answer: B

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Question 8

A researcher isolates a bacterium that exhibits the following characteristics: gram-positive, catalase-negative, and produces a pink pigment. Which of the following genera is most likely to be the source of this bacterium?

A. Bacillus

Correct B. Staphylococcus

C. Micrococcus

D. Listeria

Correct Answer: B

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Question 9

A plant with the genotype 'AaBb' is crossed with a plant with the genotype 'AaBb'. What is the probability that the offspring will have the genotype 'AABB'?

A. 1/8

Correct B. 1/16

C. 1/32

D. 1/64

Correct Answer: B

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Question 10

A 2.5-L solution of 0.1 M NaCl is diluted to a total volume of 5 L. What is the concentration of NaCl in the final solution?

A. 0.01 M

Correct B. 0.02 M

C. 0.03 M

D. 0.04 M

Correct Answer: B

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Question 11

In a eukaryotic cell, the process of cell division that results in the production of four daughter cells is known as

Correct A. Mitosis

B. Meiosis

C. Binary Fission

D. Endoreduplication

Correct Answer: A

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Question 12

The process by which plants convert light energy into chemical energy is known as

Correct A. Photosynthesis

B. Respiration

C. Transpiration

D. Translocation

Correct Answer: A

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Question 13

The part of the nervous system that controls voluntary movements is known as

Correct A. Cerebrum

B. Cerebellum

C. Brainstem

D. Spinal Cord

Correct Answer: A

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Question 14

The process by which the body gets rid of waste products is known as

Correct A. Excretion

B. Osmoregulation

C. Respiration

D. Transpiration

Correct Answer: A

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Question 15

The type of tissue that connects, supports, and binds other tissues together is known as

A. Epithelial Tissue

Correct B. Connective Tissue

C. Muscular Tissue

D. Nervous Tissue

Correct Answer: B

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Question 16

In the context of cellular respiration, what is the primary function of the electron transport chain?

A. To generate ATP through substrate-level phosphorylation

B. To produce NADH and FADH2 during glycolysis

Correct C. To pump protons across the mitochondrial membrane, creating a proton gradient

D. To convert glu\cose into pyruvate during glycolysis

Correct Answer: C

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Question 17

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

Correct A. The cerebrum

B. The cerebellum

C. The brainstem

D. The spinal cord

Correct Answer: A

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Question 18

The diagram below shows a cross-section of a plant root. What is the primary function of the root hair cells?

Correct A. To absorb water and minerals from the soil

B. To transport water and minerals to the xylem

C. To store food and water for the plant

D. To produce hormones for the plant

Correct Answer: A

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Question 19

A diagram of the human eye is shown below. What is the primary function of the lens?

Correct A. To focus light on the retina

B. To produce tears for the eye

C. To absorb light for the eye

D. To produce hormones for the eye

Correct Answer: A

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Question 20

The diagram below shows a cross-section of a human heart. What is the primary function of the atrioventricular (AV) node?

Correct A. To regulate the heartbeat

B. To pump blood from the atria to the ventricles

C. To produce hormones for the heart

D. To absorb oxygen for the heart

Correct Answer: A

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Question 21

In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?

A. 0.36

Correct B. 0.64

C. 0.48

D. 0.72

Correct Answer: B

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Question 22

A 2.5 kg block is attached to a horizontal, massless spring with a force cons\tant of 100 N/m. The block is displaced by 0.2 m from its equilibrium position and released from rest. What is the maximum speed of the block?

A. 0.5 m/s

Correct B. 1.0 m/s

C. 1.5 m/s

D. 2.0 m/s

Correct Answer: B

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Question 23

A population of 1000 bacteria is growing exponentially with a doubling time of 2 hours. If the initial population is 1000, what is the population after 6 hours?

A. 1000

B. 2000

Correct C. 4000

D. 8000

Correct Answer: C

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Question 24

A 5.0 kg object is moving in a circular path with a radius of 2.0 m. If the object has a speed of 4.0 m/s, what is the magnitude of the centripetal acceleration?

A. 2.0 m/s^2

Correct B. 4.0 m/s^2

C. 6.0 m/s^2

D. 8.0 m/s^2

Correct Answer: B

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Question 25

A 10.0 g sample of a subs\tance is dissolved in 100.0 mL of water. If the concentration of the subs\tance is 0.5 M, what is the molarity of the solution?

A. 0.1 M

Correct B. 0.5 M

C. 1.0 M

D. 2.0 M

Correct Answer: B

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