bio test 3 practice questions

Three cells undergo meiosis. How many haploid cells are produced? 3 6 9 12

12

How many cell divisions occur during meiosis? one two three four

2

How many chromosomes does a child inherit from his or her parents? 23 from the mother and 23 from the father 46 from the mother 46 from the father 46 from the mother and 46 from the father

23 from the mother and 23 from the father

Photosynthetic algae create sugars that will eventually be broken down during which process? A-glycolysis, during respiration B-the Calvin cycle, during photosynthesis C-electron transport chain, during respiration D-the Krebs cycle, during photosynthesis

A-glycolysis, during respiration

Which characteristic best distinguishes glycolysis and the Krebs cycle from the electron transport chain? A-the amount of ATP produced B-the location in which they occur C-whether glucose is broken down D-whether they occur in plants or animals

A-the amount of ATP produced

Which best lists the end products of the light-dependent reactions of photosynthesis? ATP and NADPH CO2 and H2O ATP, NADPH, and O2 C6H12O6 and O2

ATP and NADPH

1. Light energy excites electrons.2. Water molecules are split.3. NADPH is formed.In which locations do each of these events occur? A-1. photosystem II2. photosystem I3. photosystem I B-1. photosystem II2. photosystem II3. photosystem I C-1. photosystem I2. photosystem I3. photosystem II D-1. photosystem I2. photosystem II3. photosystem II

B-1. photosystem II2. photosystem II3. photosystem I

Which statement correctly describes the process that occurs in the thylakoid? A-ATP is produced in the thylakoid during light-independent reactions. B-ATP is produced in the thylakoid during light-dependent reactions. C-ADP and glucose are produced in the thylakoid during light-independent reactions. D-ADP and glucose are produced in the thylakoid during light-dependent reactions.

B-ATP is produced in the thylakoid during light-dependent reactions.

Where in the cell is the glucose produced? A-in mitochondria B-in chloroplasts C-in cytoplasm D-in water

B-in chloroplasts

Which is the site of the most ATP production during cellular respiration? A-nucleus B-mitochondrion C-cytoplasm D-chloroplast

B-mitochondrion

What do aerobic respiration and anaerobic respiration have in common? Both begin with glycolysis. Both occur in mitochondria. Both require oxygen to proceed. Both end with the electron transport chain.

Both require oxygen to proceed.

Which is a similarity between alcohol fermentation and aerobic respiration? Both require oxygen. Both require light energy. Both start with glycolysis. Both produce alcohol.

Both start with glycolysis. It releases H2O to the atmosphere during electron transport.

How is sunlight used in photosynthesis? A-Sunlight controls the amount of water in plant cells. B-Sunlight is a nutrient for plants. C-Sunlight is converted to chemical energy. D-Sunlight breaks cell walls to allow energy in and out.

C-Sunlight is converted to chemical energy.

Which is considered a scientific observation? Akon explained that cells need energy which is why animals eat food. Jacinta correlated that high sweat levels were due to a high heart rate. Mahir noticed the plants he watered grew taller than those with less water. Kai decided plants are green because of the chlorophyll used to make food.

Mahir noticed the plants he watered grew taller than those with less water.

Which statement accurately describes the relationship between cytokinesis and mitosis? Mitosis includes interphase and cytokinesis. Cytokinesis precedes mitosis. Cytokinesis occurs during mitosis. Interphase includes cytokinesis and mitosis.

Interphase includes cytokinesis and mitosis.

Which best describes meiosis? It produces cells that are identical to the original cell. It is responsible for the replacement of damaged skin cells. It is responsible for growth of the organism. It produces male and female sex cells.

It produces male and female sex cells.

What role does cellular respiration play in the water cycle? It removes H2O from the atmosphere during glycolysis. It removes H2O from the atmosphere during acetyl CoA formation. It releases H2O to the atmosphere during the citric acid cycle. It releases H2O to the atmosphere during electron transport.

It removes H2O from the atmosphere during glycolysis.

Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis? ATP PGA RuBP NADPH

PGA

Which compound is produced during regeneration? PGA G3P RuBP rubisco

RuBP

What would happen to skin cells if mitosis did not take place? Skin cells would regrow from other types of cells. Skin cells would be replaced at a slower rate. Skin cells would be replaced with new cells. Skin cells would die and not be replaced.

Skin cells would die and not be replaced.

Which definition correctly describes a haploid cell during meiosis? a cell that has double the number of chromosomes as the parent cell a cell that has two complete sets of chromosomes a cell that has half the number of chromosomes as the daughter cell a cell that has one complete set of chromosomes

a cell that has one complete set of chromosomes

Which process produces a greater number of offspring? chromosome duplication asexual reproduction gamete formation sexual reproduction

asexual reproduction

Which is the first step in the scientific method? ask a question conduct background research construct a hypothesis perform an experiment

ask

What is the source of the carbon dioxide that is used in photosynthesis? sunlight the soil the atmosphere the plant

atmosphere

Which describes the process of a bacterial cell dividing to create two daughter cells? binary fission fertilization meiosis gamete formation

binary fission

How is ADP converted to ATP? by the addition of one adenosine molecule by the addition of one phosphate group by the removal of one adenosine molecule by the removal of one phosphate group

by the addition of one phosphate group

Which label identifies the part of the ATP molecule that changes when energy is released in the cells of all living things? A B C D

c

Which is required for the light-independent reactions in photosynthesis to occur? water sunlight oxygen carbon dioxide

carbon dioxide

Which is a commercial use for lactic acid fermentation? brewing beer baking bread making wine making cheese

cheese

During the light-dependent reaction of photosynthesis, light energy is converted into which form of energy? chemical mechanical thermal electrical

chemical

Which series lists the structural components of the light-dependent reactions in order, from smallest to largest? chlorophyll ® thylakoid ® stroma ® chloroplast chloroplast ® thylakoid ® stroma ® chlorophyll chlorophyll ® thylakoid ® grana ® chloroplast chloroplast ® thylakoid ® grana ® chlorophyll

chlorophyll ® thylakoid ® grana ® chloroplast

Which are replicated during interphase? sister chromatids chromosomes centromeres nuclei

chromosomes

Which process occurs in the mitochondria? lactic acid fermentation alcohol fermentation glycolysis Krebs cycle

krebs cycle

Which process can be described as two cell divisions, genetic variation, and haploid cells? meiosis mitosis binary fission fertilization

meiosis

Which process must the cell undergo to have genetically different cells at the end of cell division? meiosis mitosis asexual reproduction binary fission

meiosis

After chromosomes are formed, during which phase of mitosis do the chromosomes attach to the spindle fibers by their centromeres? anaphase prophase metaphase telophase

metaphase

Which process must the cell undergo to have identical cells at the end of cell division? meiosis mitosis sexual reproduction gamete formation

mitosis

Which of these pairings is correct? mitosis, part of asexual reproduction because it produces diploids mitosis, part of sexual reproduction because it produces haploids meiosis, part of asexual reproduction because it produces haploids meiosis, part of sexual reproduction because it produces diploids

mitosis, part of asexual reproduction because it produces diploids

Which statement should be categorized only in the aerobic section of the Venn diagram? occurs in the cytoplasm produces water requires no oxygen is performed by yeast

produces water

Centromeres split apart during prophase metaphase anaphase telophase

prophase

During which phase of mitosis do the nuclear membrane, nucleolus, and nucleus dissolve? metaphase prophase anaphase telophase

prophase

In which phase of mitosis are chromosomes first seen as a result of chromatin coiling? prophase anaphase metaphase telophase

prophase

During which phase of meiosis does crossing over of chromosomes occur? prophase I metaphase I anaphase I telophase I

prophase I

A slow reproduction process is a disadvantage of which form of reproduction? sexual reproduction asexual reproduction binary fission mitosis

sexual

Along with plants and algae, in which organisms can photosynthesis occur? some bacteria all fungi some animals all protists

some bacteria

Which is a homologous chromosome pair? chromatid zygote gamete tetrad

tetrad

Which is the best description of photophosphorylation? the absorption of light energy by chlorophyll the conversion of light energy to chemical energy the removal of a phosphate group from a molecule the conversion of ADP to ATP using light energy

the conversion of ADP to ATP using light energy

Energy is released from ATP when a fourth phosphate is added to the molecule. the last phosphate bond is broken. all three phosphate bonds are formed. the last phosphate bond is formed.

the last phosphate bond is broken.

Which is the site of the light-dependent reactions of photosynthesis? mitochondria stomata stroma thylakoids

thylakoids

Which is the end result of cytokinesis? one cell that has two identical copies of DNA one cell that has two different copies of DNA two cells that have two identical copies of DNA two cells that have two different copies of DNA

two cells that have two identical copies of DNA

In which type of environment are plants most likely to use a C4 pathway of carbon fixation? cold and wet cold and dry hot and wet hot and dry

hot and dry

In which of these stages is mitosis most important? A tiger cub is born. A tiger cub learns to walk. A tiger cub begins to grow. A tiger cub play-fights.

A tiger cub begins to grow.

How do ATP and NADPH connect light-dependent and light-independent reactions in photosynthesis? ATP and NADPH are produced in both reactions. ATP and NADPH are used in both reactions. ATP and NADPH are produced in the light-dependent reactions and used in the light-independent reactions. ATP and NADPH are produced in the light-independent reactions and used in the light-dependent reactions.

ATP and NADPH are produced in the light-dependent reactions and used in the light-independent reactions.

What is one role of ATP in the light-independent reaction of photosynthesis? ATP supplies the energy to produce glucose and other carbohydrates. ATP is produced when water molecules are split and chlorophyll electrons are excited. ATP supplies the energy to split water molecules. ATP produces CO2 and O2 molecules.

ATP supplies the energy to produce glucose and other carbohydrates.

Through which conversion is energy released? ADP to ATP ATP to ADP NADP+ to NADPH CO2 and H2O to C6H12O6 and O2

ATP to ADP

What is the main difference between aerobic respiration and anaerobic respiration? Aerobic respiration requires oxygen to proceed, but anaerobic respiration does not. Aerobic respiration occurs during photosynthesis, but anaerobic respiration occurs during cellular respiration. Aerobic respiration produces ATP, but anaerobic respiration does not. Aerobic respiration involves glycolysis, but anaerobic respiration does not.

Aerobic respiration requires oxygen to proceed, but anaerobic respiration does not.

Scientists studied reproduction in the New Zealand mud snail to answer the question, "Are there benefits to reproducing sexually or asexually?" Which of these hypotheses would least likely aid the scientists as they worked to answer the question? A-Sexual reproduction is advantageous over asexual reproduction because it reduces the rate of mutation accumulation. B-Asexual reproduction is advantageous over sexual reproduction because it allows the snails to produce more offspring. C-Sexual reproduction is advantageous over asexual reproduction because it allows for snails to have increased genetic variation. D-Asexual reproduction is advantageous over sexual reproduction because it decreases the snails' need for social interaction.

D-Asexual reproduction is advantageous over sexual reproduction because it decreases the snails' need for social interaction.

Which statement is true for both plants and animals? A-Plants and animals both use sunlight to generate ATP for energy. B-Plants and animals both form ADP in the Calvin cycle. C-Plants and animals both need to consume sugar to store energy. D-Plants and animals both break a phosphate bond of ATP to release energy.

D-Plants and animals both break a phosphate bond of ATP to release energy.

Can green plants and humans use the same process to create ATP? A-No; green plants can use only photosynthesis, and humans use only cellular respiration. B-No; green plants can use only the Krebs cycle, and humans can use only the Calvin cycle. C-Yes; green plants and humans can both use photosynthesis to create ATP. D-Yes; green plants and humans can both use cellular respiration to create ATP.

D-Yes; green plants and humans can both use cellular respiration to create ATP.

In organisms other than plants, when and where is the most ATP produced? A-in cytoplasm, during photosynthesis B-in nuclei, during cellular respiration C-in chloroplasts, during photosynthesis D-in mitochondria, during cellular respiration

D-in mitochondria, during cellular respiration

Which event occurs in photosystem I? Water molecules are broken apart. Light energy excites electrons. Oxygen is released as waste. Electrons are transferred to ferredoxin.

Electrons are transferred to ferredoxin.

During glycolysis, glucose is broken down into two molecules of pyruvate.What is the main transformation that occurs during glycolysis? Glycolysis produces ATP and pyruvate by oxidizing water. Glycolysis produces ATP and pyruvate by oxidizing glucose and NAD+. Glycolysis produces pyruvate, ATP, and NADH by oxidizing glucose. Glycolysis produces CO2, ATP, and pyruvate by reducing glucose.

Glycolysis produces pyruvate, ATP, and NADH by oxidizing glucose.

Which is required for the light-dependent reactions in photosynthesis to occur? H2O ATP NADPH CO2

H2O

The diagram summarizes the light-dependent reactions of photosynthesis.What is the input of the light-dependent reactions, labeled X? CO2, H2O, O2, and light CO2, H2O, and light CO2 and H2O H2O and light

H2O and light

Which is the best hypothesis for the scientific question "How does light intensity affect the rate of photosynthesis?" Light intensity, CO2 concentration, and temperature are factors that determine the rate of photosynthesis. Light intensity has no effect on the rate of photosynthesis. If the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease. Light intensity has an impact on the rate of photosynthesis.

If the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease.

Which is an important difference between light-dependent (L-D) and light-independent (L-IND) reactions in photosynthesis? The L-D reactions need CO2 and light energy, and the L-IND reactions needs water and O2. The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH, and CO2. The L-D reactions can only occur during daylight, and the L-IND reactions can only occur during the night. The L-D reactions need water and CO2, and the L-IND reactions need CO2 and light.

The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH, and CO2.

Which of the steps in this sequence of events is an example of mitosis at work? A baseball hits the arm of a baseball player. The player reacts quickly grabbing his arm. A bruise forms where the ball hit the arm. The bruise slowly disappears as the arm heals.

The bruise slowly disappears as the arm heals.

The equation shows cellular respiration. During cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and ATP.What happens to the energy in the bonds in glucose? C6H12O6+6O2--->6CO2+6H2O+ATP The energy is transferred to oxygen. The energy is transferred to carbon dioxide. The energy is transferred to water. The energy is transferred to ATP.

The energy is transferred to ATP.

Jasmine and Marcus are at the park, and Jasmine makes the following statements. Which of them is an inference? The leaves are green. The flowers are breathtaking. The plant is producing oxygen. The bush has thorns.

The plant is producing oxygen.

Which statement best describes cancer cells? They grow as a single layer of cells. They cease to reproduce after 20-50 mitotic divisions. They reproduce only when needed to replace missing cells. They are not regulated by contact inhibition.

They are not regulated by contact inhibition.

Which statement about the light-independent reactions in photosynthesis is true? They occur in the thylakoids. They produce ATP and NADPH. They release oxygen as waste. They comprise the Calvin cycle.

They occur in the thylakoids.

Which process occurs during the light-dependent reactions in photosynthesis? Water molecules are split. Carbon fixation occurs. PGA is reduced. RuBP is regenerated.

Water molecules are split.

In his study of pea plants, Gregor Mendel used which method to produce offspring? cross-pollination, by using parents that had identical traits cross-pollination, by using parents that had different traits self-pollination, by using one parent random pollination, by using both identical- and different-trait matings

cross-pollination, by using parents that had different traits self-pollination, by using one parent

Which three processes are methods of genetic recombination? natural selection, crossing over, and independent assortment crossing over, independent assortment, and fertilization independent assortment, fertilization, and natural selection fertilization, natural selection, and crossing over

crossing over, independent assortment, and fertilization

Mitosis produces which cell type? haploid diploid chromosome gamete

diploid

During which process is water produced? alcohol fermentation acetyl CoA formation electron transport chain citric acid cycle

electron transport chain

During reduction, PGA reacts with ATP and NADPH. What does ATP contribute to the reaction? carbon hydrogen ions electrons phosphate group

electrons

An example of mitosis at work is a plant root elongating. absorbing. pointing down. breaking.

elongating.

What is required for both the light-dependent and light-independent reactions to proceed? energy CO2 water ATP and NADPH

energy

The first correlation below shows the relationship between types of cell division. Below that is a correlation showing the types of cells that each type of cell division produces. Finish the bottom correlation based on the type of cells produced. Mitosis: Meiosis Somatic cell:?

gamete cell

Which consist of sperm cells and egg cells? gametes tetrads diploids chromosomes

gametes

Which include the male and female sex cells? gametes chromosomes eukaryotes diploids

gametes

Which term describes stacks of thylakoids? chloroplasts grana stroma ferredoxins

grana

An example of mitosis at work is a leaf turning yellow. growing. taking in carbon dioxide. hosting a caterpillar.

growing

Meiosis produces which cell type? haploid diploid chromosome somatic

haploid

Which statement could be categorized only in the anaerobic section of the Venn diagram? is performed by eukaryotes has commercial uses regenerates NADH occurs in the mitochondria

has commercial uses