Quiz about Biology Pre-Assessment Test Q1 25-26

Question 1

Which of the following factors affect enzyme activity?

Accepted Answer

D. temperature, pH, and amount of both enzyme and substrate

Answer

A. temperature and pH only

Answer

B. amount of enzyme and substrate only

Answer

C. temperature and amount of enzyme only

Question 2

The glucose produced during photosynthesis is an example of a __.

Accepted Answer

B. monosaccharide

Answer

A. lipid

Answer

C. protein

Answer

D. nucleic acid

Question 3

Phototropism in plants is a process where a plant bends towards sunlight or any other light source. Phototropism is a mechanism that is necessary for the survival of the plant. This phenomenon is an example of which characteristic of life?

Accepted Answer

C. ability to move in response to environmental stimuli

Answer

A. ability to store hereditary information

Answer

B. use of cellular respiration for energy release

Answer

D. living things are made up of cells

Question 4

The pictures below show processes that occur in all organisms. Which characteristic of life is depicted in all three pictures below?

Accepted Answer

A. growth and development

Answer

B. use of energy

Answer

C. respond to environmental stimuli

Answer

D. maintain homeostasis

Question 5

Phytoplankton are producers that can live in pond ecosystems. The number of phytoplankton in a pond can be regulated by water temperature, amount of sunlight, water depth, and nutrient load of surface water. Carbon dioxide production in pond water is being studied by researchers because carbon dioxide and water combine to form weakly acidic carbonic acid.

Accepted Answer

C. Photosynthesis will increase, which will cause the phytoplankton to absorb more carbon dioxide, resulting in a decrease in pond acidity.

Answer

A. Photosynthesis will decrease, which will result in an increased amount of carbon dioxide in the pond and a decrease in pond acidity.

Answer

B. Photosynthesis will decrease, which will result in a release of carbon dioxide by the phytoplankton and an increase in pond acidity.

Answer

D. Photosynthesis will increase, which will cause the phytoplankton to absorb more carbon dioxide, resulting in an increase in pond acidity.

Question 6

Which best describes the relative functions of this large molecule? Choose TWO.

Accepted Answer

A. energy production

Accepted Answer

B. energy storage

Answer

C. genetic transmission

Answer

D. structure component

Question 7

Amylase is a digestive enzyme. Salivary glands in your mouth make salivary amylase, which begins the digestive process by breaking down food into smaller molecules as you chew. Which of these diagrams best represents part of the structure of amylase?

Accepted Answer

C. [Diagram showing two 'Amino acid' blocks connected]

Answer

A. [Diagram showing three 'SUGA' blocks in a row]

Answer

B. [Diagram showing six 'nucleotide' blocks connected in pairs]

Answer

D. [Diagram showing 'GLYCEROL' with three 'FATTY ACID' blocks attached]

Question 8

Which of these factors was NOT controlled in the experiment?

Accepted Answer

D. the mass of the liver and potato tissues

Answer

A. the time for oxygen release

Answer

B. the volume of the test tubes

Answer

C. the volume of hydrogen peroxide solution

Question 9

The student conducted a second experiment. She boiled the liver tissue completely and added it to the hydrogen peroxide solution. She observed that little to no oxygen was released in the second experiment.

Accepted Answer

A. Exposing catalase to high temperatures makes it inactive.

Answer

B. Boiling liver breaks down hydrogen peroxide faster.

Answer

C. Exposing catalase to high temperatures changes it into a different enzyme.

Answer

D. Boiling removes oxygen from the liver.

Question 10

A cell has a defect that results in the loss of its ability to regulate the passage of water, food, and wastes into and out of the cell. In which of the following cell structures is this defect most likely to be located?

Accepted Answer

C. Cell membrane: semipermeable membrane

Answer

A. Mitochondria: energy producing organelles

Answer

B. Chloroplasts: energy producing organelles

Answer

D. Golgi apparatus: involved in packaging and transport

Question 11

Which of these processes releases energy without using oxygen?

Accepted Answer

B. fermentation

Answer

A. Krebs cycle

Answer

C. electron transport chain

Answer

D. aerobic respiration

Question 12

Which of the following is one important difference between a virus and a bacterial cell?

Accepted Answer

C. A virus can never reproduce on its own, but a bacterial cell can.

Answer

A. A virus is much larger in size than a bacterial cell.

Answer

B. A virus always causes more severe disease than a bacterial cell.

Answer

D. A virus does not contain genetic material, but a bacterial cell does.

Question 13

There are many different enzymes located in the cytoplasm of a single cell. How is a specific enzyme able to catalyze a specific reaction?

Accepted Answer

C. An enzyme binds to a specific substrate (reactant) for the reaction catalyzed.

Answer

A. Different enzymes are synthesized in specific areas of cytoplasm.

Answer

B. Most enzymes can catalyze many different reactions.

Answer

D. Enzymes are transported to specific substrates (reactants) by ribosomes.

Question 14

If the paramecium is then placed in a hypertonic environment, which of the following will occur?

Accepted Answer

D. Water will diffuse out of the paramecium.

Answer

A. Water will diffuse into the paramecium.

Answer

B. Salt will be pumped out of the paramecium by the vacuole.

Answer

C. Salt will be pumped into the paramecium by the vacuole.

Question 15

Which molecule is most likely represented by the letter X?

Accepted Answer

C. ATP

Answer

A. water

Answer

B. DNA

Answer

D. oxygen

Question 16

In red blood cells, carbonic anhydrase acts as which of the following?

Accepted Answer

A. an enzyme

Answer

B. a hormone

Answer

C. a lipid

Answer

D. a sugar

Question 17

Which of the diagrams below best represents the net movement of molecules in osmosis?

Accepted Answer

A. Diagram A

Answer

B. Diagram B

Answer

C. Diagram C

Answer

D. Diagram D

Question 18

Diagram C nor Diagram D above show active transport or passive transport. Which statement supports this statement?

Accepted Answer

C. There is no evidence of a concentration gradient.

Answer

A. Water is moving from an area of high concentration to low.

Answer

B. Molecules are moving in Diagrams C and D.

Answer

D. Water is moving from an area of low concentration to high.

Question 19

Which model below correctly demonstrates energy transfer from light energy into stored chemical energy during photosynthesis?

Accepted Answer

D). 6CO2 + 6H2O ------> C6H12O6 + 6O2 (Sunlight energy)

Answer

A). CO2 + H2O ------> C6H12O6 + O2 (Sunlight energy)

Answer

B). C6H12O6 + 6O2 ------> 6CO2 + 6H2O (Sunlight energy)

Answer

C). C6H12O6 + O2 ------> CO2 + H2O (Sunlight energy)

Question 20

Which statements are not true according to Figure 1 and Figure 2? Choose TWO.

Accepted Answer

A. As long as all other variables remain constant, as temperature increases, the rate of photosynthesis increases.

Accepted Answer

C. As long as all other variables remain constant, increasing light intensity, increases the rate of photosynthesis up to a point and then decreases.

Answer

B. As long as all other variables remain constant, as temperature increases, the rate of photosynthesis increases up to a point and then decreases.

Answer

D. As long as all other variables remain constant, increasing light intensity results in an increased rate of photosynthesis until the maximum rate of photosynthesis has been reached under those conditions.

Question 21

In the first step of glycolysis, glucose is converted to glucose-6-phosphate. Which of the following supplies the energy for the reaction?

Accepted Answer

A. ATP

Answer

B. RNA

Answer

C. oxygen

Answer

D. hydrogen

Question 22

A student performed an experiment to determine the effects of light intensity on the rate of photosynthesis in a plant. Which graph should the student use to plot his data?

Accepted Answer

B. Effect of Light Intensity on Photosynthesis (Graph: Oxygen Production vs Light Intensity)

Answer

A. Effect of Light Intensity on Photosynthesis (Graph: Light Intensity vs Oxygen Production)

Answer

C. Effect of Light Intensity on Photosynthesis (Graph: Carbon Dioxide Production vs Light Intensity)

Answer

D. Effect of Light Intensity on Photosynthesis (Graph: Light Intensity vs Carbon Dioxide Production)

Question 23

Glycolysis, the Krebs cycle, and electron transport are the three steps of _.

Accepted Answer

B. cellular respiration

Answer

A. photosynthesis

Answer

C. anaerobic respiration

Answer

D. carbohydrate synthesis

Question 24

The diagram below represents movement of a large molecule across a membrane. Which process is best represented in this diagram?

Accepted Answer

D. active transport

Answer

A. protein building

Answer

B. gene manipulation

Answer

C. diffusion

Question 25

Which of the following statements explains why viruses are able to reproduce only inside host cells instead of being able to reproduce on their own?

Accepted Answer

D. Viruses lack the cellular machinery needed to make copies of their genetic material.

Answer

A. Viruses cannot function at temperatures other than 98.6 degrees F.

Answer

B. Viruses lack spindle fibers that correctly align chromosomes for division.

Answer

C. Viruses are too small to effectively make copies of themselves on their own.

Question 26

ATP is produced during cellular respiration. Which macromolecule has the same function as an ATP molecule?

Accepted Answer

C. nucleic acid

Answer

A, protein

Answer

B. carbohydrate

Answer

D. lipid

Question 27

Which of the following examples illustrates osmosis?

Accepted Answer

A. Excess water in waste is taken in by the cells of the large intestine.

Answer

B. An organism drinks water because it is thirsty.

Answer

C. Enzymes in saliva begin to digest starch in the mouth.

Answer

D. Nerve cells release calcium to muscle cells.

Question 28

Some cells, such as human nerve and muscle cells contain many more mitochondria than do other cells, such as skin cells. Why do some cells have more mitochondria than others?

Accepted Answer

A. The cells use more energy.

Answer

B. The cells store more nutrients.

Answer

C. The cells degrade more proteins.

Answer

D. The cells divide more frequently.

Question 29

The diagram below shows a specialized cell located in the root of a plant. The arrows in the diagram indicate the movement of water and oxygen into the cell. Which row in the chart above correctly identifies the process responsible for the movement of each type of molecule represented in the diagram?

Accepted Answer

B. 2

Answer

A. 1

Answer

C. 3

Answer

D. 4

Question 30

Photosynthesis is the most important chemical reaction for life on Earth, because it is the source of food energy for almost all living things. What chemical captures sunlight so cells can use it to make food?

Accepted Answer

C. glucose

Answer

A. chlorophyll

Answer

B. chloroplast

Answer

D. ATP

Question 31

Which monomer is most closely associated with enzymes?

Accepted Answer

C. amino acid

Answer

A. monosaccharide

Answer

B. fatty acid

Answer

D. nucleotide

Question 32

One category of organic compounds contains molecules composed of long hydrocarbon chains. Those hydrocarbon chains may be saturated or unsaturated.

Which of the following categories of organic compounds contains these molecules?

Accepted Answer

B. lipids

Answer

A. carbohydrates

Answer

C. nucleic acids

Answer

D. proteins

Question 33

Like complex carbohydrates, proteins are biomolecules that serve many functions and can be chemically broken down and restructured. Both proteins and complex carbohydrates are which of the following?

Accepted Answer

A. Polymers of smaller subunits

Answer

B. Sequences of sugars

Answer

C. Lipids of large molecules

Answer

D. Nucleotides of DNA

Question 34

A sodium-potassium pump within a cell membrane requires energy to move sodium and potassium ions into or out of a cell. The movement of glucose into or out of a cell does not require energy.

Which statement best describes the movement of these materials across a cell membrane?

Accepted Answer

B. Sodium and potassium ions move by active transport, and glucose moves by facilitated diffusion.

Answer

A. Sodium and potassium ions move by active transport, and glucose moves by osmosis.

Answer

C. Sodium and potassium ions move by facilitated diffusion, and glucose moves by osmosis.

Answer

D. Sodium and potassium ions move by facilitated diffusion, and glucose moves by active transport.

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