Biology Comprehensive Quiz
Biology Comprehensive Quiz
Test your knowledge of biology with this comprehensive quiz that covers various topics including cell structure, processes, and the role of enzymes. Whether you're a student looking to reinforce your learning or a teacher preparing to assess your students, this quiz is designed for everyone!
What you can expect:
- 30 thought-provoking questions
- Covers a wide range of biological topics
- Immediate feedback on your answers
Uses ATP
Moves molecules
Requires enzymes
Uses oxygen
Pneumocystis is an organism normally found in the human lungs that can cause pneumonia. It seldom causes problems in individuals with healthy immune systems. However, people with AIDS sometimes become seriously ill with pneumonia. This is most likely due to the fact that individuals with AIDS have
Inherited a tendency to contract pneumonia
Difficulty fighting off infections
An allergy to this organism
Hormones that strengthen the infection
The contents of the dialysis tube would turn blue-black.
The liquid in the beaker would turn blue-black.
The dialysis tube would burst.
There would be no change visible.
0% water
95% water
97% water
99% water
Using a microscope and a wet-mount slide, a student observed a pond water sample containing paramecia, which are single-celled freshwater organisms. She noticed that there was a structure within each living paramecium that contracted regularly—about four times each minute. She researched the organism in his science textbook and found that the structure was a contractile vacuole and its fun
She decided to determine if the concentration of salt in the environment of the paramecium would affect the rate at which the contractile vacuole would contract.
The process used to remove excess water from the paramecium by the contractile vacuole is
Synthesis
Active transport
Digestion
Passive transport
Using a microscope and a wet-mount slide, a student observed a pond water sample containing paramecia, which are single-celled freshwater organisms. She noticed that there was a structure within each living paramecium that contracted regularly—about four times each minute. She researched the organism in his science textbook and found that the structure was a contractile vacuole and its function was to remove excess water from the paramecium. In the diagram below, a paramecium is represented as seen through a microscope. The function of the contractile vacuole is described.
She decided to determine if the concentration of salt in the environment of the paramecium would affect the rate at which the contractile vacuole would contract. The student predicted that the contractile vacuole would contract fewer times in one minute in a solution that had a higher concentration of salt than that found in typical pond water. This prediction is most likely
incorrect, because the concentration of salt in the environment should not affect a cell
correct, because water would be moving out of the cell through aquaporins/channels in the membrane and into the salt solution
Correct, because a high concentration of salt in the environment will cause water to enter the cell, causing the contractile vacuole to pump
Incorrect, because salt would be entering the cell, and the contractile vacuole would have to pump it out
A function of cell membranes in humans is the
Replication of genetic material
Synthesis of the amino acids
Production of energy
Recognition of certain chemicals
Which activity can occur without the use of energy?
Active transport of minerals
Contraction of muscle tissue
protein synthesis in a cell
movement of water across a membrane
Using your knowledge of biology and the diagram below- which represents an amoeba engulfing bacteria-
The activity taking place is:
Exocytosis
Endocytosis
photosynthesis
Autotrophic nutrition
The diagram below represents two cells viewed using the same magnification with the same microscope.
One possible conclusion that can be drawn about the activity of these two cells is that:
Cell A is a plant cell since it has a cell wall
More active transport occurs in cell B than in cell A
More active transport occurs in cell A than in cell B
Cell B uses some of the extra mitochondria to make food
Question: Based on your understanding of polar and non-polar molecules, hypothesize what would happen if a cell’s phospholipid bilayer head and tail were a polar molecule.
Reasoning: If a cell's phospholipid bilayer had a polar head and tail, it would be dysfun
Question: Based on your understanding of polar and non-polar molecules, hypothesize what would happen if a cell’s phospholipid bilayer head and tail were a polar molecule.
Reasoning: If a cell's phospholipid bilayer had a polar head and tail, it would be dysfun
Question: Insulin is release by the pancreas in the presence of glucose. Insulin binds to proteins that allow the passage of glucose in our blood from the food we eat to enter our cells such as our muscles. Symptoms of a diabetic include excessive urination, dehydration, and thirst. Based on your understanding of your diabetes case study and diffusion by osmosis, hypothesis what is happening to a diabetic's cells.
Reasoning:
A diabetic's cells are unable to take glucose from the blood. As a result, water from inside the cells moves out by osmosis, to travel where there is a higher solute concentration (the glucose outside, unable to be taken in by cells). This results in dehydration due to lack of water in the cells, and increased urination.
Question: Insulin is release by the pancreas in the presence of glucose. Insulin binds to proteins that allow the passage of glucose in our blood from the food we eat to enter our cells such as our muscles. Symptoms of a diabetic include excessive urination, dehydration, and thirst. Based on your understanding of your diabetes case study and diffusion by osmosis, hypothesis what is happening to a diabetic's cells.
Reasoning:
A diabetic's cells are unable to take glucose from the blood. As a result, water from inside the cells moves out by osmosis, to travel where there is a higher solute concentration (the glucose outside, unable to be taken in by cells). This results in dehydration due to lack of water in the cells, and increased urination.
The concentration of potassium is higher in red blood cells than in the surrounding blood plasma. This higher concentration is maintained by the process of
Circulation
Active transport
Excretion
Diffusion
Base your answers to the question on the information and diagram below and on your knowledge of biology. The diagram represents a plant leaf cell and two different molecules used in the process of glucose synthesis.
Molecules 1 and 2 enter the cell and glucose leaves the cell through the process of
Diffusion
Digestion
Respiration
Active transport
The diagram below represents a cell and some molecules in its environment.
Which molecule would require the use of energy in order to be brought into the cell?
1
2
3
4
If the concentration of sodium is greater outside a cell than inside the cell, which process could move sodium out of the cell?
Active transport using a protein pump
Active transport through the phospholipids in the membrane
Diffusion across the membrane
Diffusion through a protein channel
The function of a specific enzyme is most directly influenced by its
Physical shape
carrying capacity
Stored energy
molecular size
Which process will result in a gain of energy in an ecosystem?
Photosynthesis in algae cells
ATP synthesis in fungi
digestion in hummingbirds
Respiration in maple tree cells
In the human body, carbon monoxide reduces the amount of oxygen that can be transported to cells. Breathing in too much carbon monoxide will most likely result in the production of
More DNA
More protein
Less glucose
less ATP
An experiment was carried out to answer the question “Does the pH of water affect the growth of radish plants?” Two groups of ten radish plants were set up. One group was watered with water having a pH of 3.0, and the other group was watered with water having a pH of 7.0. Both groups of plants received the same amount and intensity of light, the same amount of water, and they were grown in the same type of soil. The heights of the radish plants were measured every 2 days for a period of 2 weeks. Which activity might help to increase the validity of this experiment?
Repeating the experiment several times
using two different types of radish seeds in each group
Placing one set of plants in sunlight and one in darkness
Using the same pH for both groups of plants
An experiment was carried out to answer the question “Does the pH of water affect the growth of radish plants?” Two groups of ten radish plants were set up. One group was watered with water having a pH of 3.0, and the other group was watered with water having a pH of 7.0. Both groups of plants received the same amount and intensity of light, the same amount of water, and they were grown in the same type of soil. The heights of the radish plants were measured every 2 days for a period of 2 weeks. What was the dependent variable in this experiment?
Heights of the plants
PH of the water
Type of soil
Temperature of the water
Photosynthesis and respiration are alike in that they both
result in the production of glucose molecules
require specific catalysts
Occur within mitochondria
Require the sun as a direct source of energy
Which process uses energy to combine inorganic molecules to synthesize organic molecules?
Respiration
Digestion
Decomposition
Photosynthesis
The inability of an organism to produce certain proteins can occur when an organism is lacking an enzyme needed to combine
amino acids
Oxygen molecules
Simple sugars
Biological catalysts
Which statement is supported by the information in the graph below?
The enzymes break down the same substances.
The enzymes in bacteria function best at 40°C.
The enzymes respond in a similar way to changes in temperature.
The enzymes fun
Even though human proteins are synthesized from only 20 different amino acids, there are thousands of different proteins found in human cells. This great variety of proteins is possible because
Sequence and number of amino acids can be different in each protein
size of a specific amino acid can vary within a protein
The chemical composition of a specific amino acid can vary
Same amino acid can have many different properties
In living cells, chemical processes, such as synthesis, all require the action of
Specialized antibiotics
Hormones
Biological catalysts
salts
A cell in the leaf of a corn plant contains more chloroplasts than a cell in the stem of a corn plant. Based on this observation, it can be inferred that, when compared to the cell in the stem, the cell in the leaf
Has a higher chromosome count
Produces fewer proteins
uses more carbon dioxide
synthesizes less sugar
A fully fun
Rate at which the enzyme breaks down during a reaction it regulates
Temperature of the products of the reaction it regulates
pH of all body systems
specific type of molecule it interacts with during a reaction
Hydrogen peroxide (H2O2), a byproduct of cellular metabolism, is broken down by the enzyme catalase which is produced by nearly all organisms. When catalase is added to hydrogen peroxide, a reaction occurs that produces bubbles of oxygen gas (O2) and water (H2O). 2H2O2 → 2H2O + O2 The laboratory setup represented below was used to investigate the effect of pH on the breakdown of H2O2. Five setups were made with H2O2 solutions, each at a different pH level. Catalase was added to the solution in the first setup and the reaction proceeded for one minute and the amount of gas produced by the reaction was recorded on the data table. This exact procedure was repeated with the other four setups containing different H2O2 solutions.
Based on the investigation, the student should conclude that enzymes
Function best within a specific range of conditions
Are not affected by changes in environmental factors
Function best when observed in living cells
Are easily broken down by hydrogen peroxide
The equations represent two biochemical processes that occur in living organisms. The letter X represents a molecule produced from process 1.
What molecule is represented by the letter X?
ADP
NAD+
ATP
NADH
Question: Diabetes symptoms include fatigue and acidic blood, based on what you have learned about diabetes and cellular respiration, explain the probable cause for both symptoms.
Reasoning:
Diabetics experience symptoms of fatigue and acidic blood due to low insulin levels in their body. This means that the diabetic is not getting enough glucose in their cells to run glycolysis. As a result, they must rely on lipids instead of glucose to run anaerobic respiration. Anaerobic respiration produces only 2 ATP molecules, significantly less than the 32 able to be produced during aerobic respiration (which the diabetic cannot perform due to an absence of glucose in the cells). The diabetic will be more fatigued as they do not have as much energy as a typical person. As for the acidic blood, this is a direct result of fermentation occurring from anaerobic respiration.
Question: Diabetes symptoms include fatigue and acidic blood, based on what you have learned about diabetes and cellular respiration, explain the probable cause for both symptoms.
Reasoning:
Diabetics experience symptoms of fatigue and acidic blood due to low insulin levels in their body. This means that the diabetic is not getting enough glucose in their cells to run glycolysis. As a result, they must rely on lipids instead of glucose to run anaerobic respiration. Anaerobic respiration produces only 2 ATP molecules, significantly less than the 32 able to be produced during aerobic respiration (which the diabetic cannot perform due to an absence of glucose in the cells). The diabetic will be more fatigued as they do not have as much energy as a typical person. As for the acidic blood, this is a direct result of fermentation occurring from anaerobic respiration.
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