POST UTME REDEEMERS UNIVERSITY 2019 Biology | Objective

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Question 1
The process of cellular respiration occurs in the mitochondria and involves the breakdown of glu\cose to produce energy. What is the name of the final product of cellular respiration?
A. ATP
B. NADH
C. FADH2
D. Water
Question 2
In a eukaryotic cell, the process of photosynthesis occurs in the chloroplasts. What is the primary function of the chloroplasts in this process?
A. To produce ATP and NADPH
B. To produce glu\cose and oxygen
C. To produce amino acids and lipids
D. To produce proteins and nucleic acids
Question 3
A diagram of a cell's structure is shown below. Which of the following organelles is responsible for protein synthesis?
A. The nucleus
B. The mitochondria
C. The ribosomes
D. The \endoplasmic reticulum
Question 4
The process of gas exchange in the lungs is primarily facilitated by the following mechanism:
A. Diffusion
B. Osmosis
C. Active transport
D. Passive transport
Question 5
In the context of excretion and osmoregulation, what is the primary function of the kidneys in maintaining homeostasis?
A. To regulate blood pressure
B. To remove waste products from the body
C. To maintain electrolyte balance
D. To regulate body temperature
Question 6
A diagram of a human blood cell is shown below. Which of the following is the primary function of the mitochondria?
A. Production of ATP
B. Regulation of gene expression
C. Transport of subs\tances across the cell membrane
D. Protection against pathogens
Question 7
A patient is diagnosed with a rare genetic disorder that affects the production of a protein essential for the proper functioning of the sense organ. Which of the following sense organs is most likely to be affected?
A. Eye
B. Ear
C. Nose
D. Tongue
Question 8
The process of meiosis is essential for the production of gametes in sexually reproducing organisms. Which of the following is a characteristic of meiosis?
A. It results in the production of four haploid daughter cells
B. It results in the production of two diploid daughter cells
C. It is a type of mitosis
D. It is a type of meiosis
Question 9
A researcher is studying the effects of exercise on the respiratory system. Which of the following variables would be most likely to be measured in this experiment?
A. Rate of respiration
B. Rate of photosynthesis
C. Concentration of CO2 in the air
D. Concentration of O2 in the air
Question 10
A diagram of a plant cell is shown below. Identify the part labeled X.
A. Nucleus
B. Mitochondria
C. Chloroplast
D. Vacuole
Question 11
A patient is experiencing symptoms of a hormonal imbalance, including weight gain and mood swings. Which of the following hormones is most likely to be involved in this condition?
A. Insulin
B. Adrenaline
C. Thyroid hormone
D. Estrogen
Question 12
The hormone responsible for the growth and development of the reproductive organs during puberty is
A. Insulin
B. Growth Hormone
C. Thyroid Hormone
D. Adrenaline
Question 13
A plant cell is placed in a solution with a high concentration of sucrose. What will happen to the cell's turgor pressure?
A. Increase
B. Decrease
C. Remain the same
D. Become negative
Question 14
In asexual reproduction, what is the primary mechanism by which genetic variation is introduced into the offspring?
A. Mutation
B. Genetic recombination
C. Gene duplication
D. Gene deletion
Question 15
In a plant, the xylem tissue is responsible for transporting water and minerals from the roots to the leaves. What is the primary function of the xylem tissue in this process?
A. To transport sugars from the leaves to the roots
B. To transport water and minerals from the roots to the leaves
C. To transport gases from the leaves to the roots
D. To transport nutrients from the soil to the roots

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