Quiz about Cell Theory and Scientific Experiments

Question 1

Cell theory originally had three main components: - All living organisms are composed of __________. - The cell is the ________________. - All cells arise from ______________________.

Accepted Answer

cells, basic unit of life, pre-existing cell

Answer

atoms, cells, tissues

Answer

molecules, tissues, organs

Question 2

How are scientific theories formed? From __________ gained by many experiments of many scientists.

Accepted Answer

new empirical data

Answer

random guesses

Answer

unverified assumptions

Answer

personal beliefs

Question 3

What is the dependent variable in the experiment? The __________________ of the independent variable.

Accepted Answer

outcome

Answer

cause

Answer

control

Answer

variable

Question 4

______________ independent variable should be changed or manipulated in a correctly performed scientific experiment.

Accepted Answer

only one

Answer

two

Answer

three

Answer

none

Question 5

What is the control group in the experiment? The control group does not receive the __________________________.

Accepted Answer

independent variable

Answer

dependent variable

Answer

placebo

Answer

treatment

Question 6

In a line graph, the independent variable will be on the ________ and the dependent variable will be on the ________.

Accepted Answer

x- axis, y-axis

Answer

Y- axis, x-axis

Answer

z-axis, w-axis

Question 7

Why is random sampling important in conducting surveys? While a random sample is ______________________, you do not always get the results you hoped for.

Accepted Answer

less biased

Answer

more expensive

Answer

difficult to analyze

Question 8

The process of photosynthesis is essential in the __________________________ cycle. Photosynthesis ____________ carbon dioxide from the atmosphere and __________________ oxygen into the atmosphere.

Accepted Answer

oxygen/carbon dioxide, removes, releases

Answer

oxygen/carbon dioxide, releases, removes

Question 9

What happens to most of the mass gained by the plant cell through photosynthesis? The mass is used by the plant to fuel __________________ and is turned into carbon dioxide, water, and energy.

Accepted Answer

cellular respiration

Answer

transpiration

Answer

photosynthesis

Answer

fermentation

Question 10

The products of respiration (water and carbon dioxide) can be used by plants for ______________________________.

Accepted Answer

photosynthesis

Answer

respiration

Answer

growth

Answer

nutrient absorption

Question 11

The light-dependent reactions take place in the ________________ of the chloroplast.

Accepted Answer

thylakoid

Answer

stroma

Answer

cytoplasm

Answer

nucleus

Question 12

Water is a __________ molecule because it has a partial positive charge near the hydrogen atoms and a partial negative charge near the oxygen atom.

Accepted Answer

polar

Answer

nonpolar

Answer

ionic

Answer

covalent

Question 13

__________________ allows water molecules to stick together and creates __________________.

Accepted Answer

Cohesion, surface tension

Answer

Cohesion, Evaporation

Answer

Adhesion, capillary action

Answer

Condensation, capillary action

Question 14

__________________ allows water molecules to stick to other substances.

Accepted Answer

Adhesion

Answer

Cohesion

Answer

Evaporation

Answer

Condensation

Question 15

Water has a ________________________________, meaning it can absorb a lot of heat before its temperature changes.

Accepted Answer

high specific heat

Answer

low specific heat

Answer

high density

Answer

low boiling point

Question 16

Water is the ________________________________ because it can dissolve many substances.

Accepted Answer

universal solvent

Answer

universal solute

Answer

universal compound

Answer

universal element

Question 17

Ice floats because it is __________________________ as a solid than as a liquid.

Accepted Answer

less dense

Answer

more dense

Answer

heavier

Answer

warmer

Question 18

________________________, due to cohesion and adhesion, allows water to move through narrow spaces against gravity.

Accepted Answer

Capillary action

Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Question 19

Carbohydrates provide ______________ energy and structural support in cells.

Accepted Answer

quick

Answer

slow

Answer

thermal

Answer

nuclear

Question 20

Monomer of Carbohydrates: __________________ (simple sugar like glucose).

Accepted Answer

Monosaccharide

Answer

Disaccharide

Answer

Polysaccharide

Answer

Oligosaccharide

Question 21

In Carbohydrate (glucose, sucrose, starch) released energy is ________________

Accepted Answer

4 kcal/gram

Answer

2 kcal/gram

Answer

6 kcal/gram

Answer

8 kcal/gram

Question 22

Lipids provides ______________ energy, provide insulation, and form cell membranes (__________________________).

Accepted Answer

long-term, phospholipids

Answer

short-term, glycogen

Question 23

Lipids are mostly made of carbon and hydrogen and oxygen atoms; generally --------- and ----------.

Accepted Answer

hydrophobic

Accepted Answer

non polar

Answer

hydrophilic

Answer

ionic

Question 24

Lipids are made of 3 ______________ and ______________.

Accepted Answer

Fatty acids, glycerol

Answer

Fatty acids, glucose

Answer

hydrophilic

Answer

hydrophobic

Question 25

In Lipid (fat) released energy is ______________

Accepted Answer

9 kcal/gram

Answer

4 kcal/gram

Answer

7 kcal/gram

Answer

5 kcal/gram

Question 26

Living matter is at least sixty percent water. It makes sense, then, that cell membranes are made of phospholipids because the lipids form an __________________________.

Accepted Answer

insoluble barrier

Answer

soluble barrier

Answer

permeable layer

Answer

conductive surface

Question 27

Enzymes are biological catalysts that ____________________ chemical reactions by ________________ the activation energy.

Accepted Answer

speed up, lowering

Answer

slow down, increasing

Answer

inhibit, increasing

Answer

reverse, lowering

Question 28

Enzymes have an __________________________ where the substrate binds to form an enzyme-substrate complex.

Accepted Answer

active site

Answer

activation energy

Answer

binding site

Answer

reaction site

Question 29

The lock-and-key model suggests that enzymes have a __________________________ that fits only one substrate

Accepted Answer

specific active site

Answer

random active site

Answer

universal active site

Answer

non-specific active site

Question 30

Nucleus: --------------center of the cell that contains DNA.

Accepted Answer

control

Answer

power

Answer

energy

Answer

command

Question 31

Mitochondria: Generates -------------------------------through cellular respiration.

Accepted Answer

energy

Answer

oxygen

Answer

glucose

Answer

carbon dioxide

Question 32

Chloroplasts (in plant cells): Site of----------------------------. The light dependent reactions take place in the ---------------------of the chloroplast.

Accepted Answer

photosynthesis, thylakoid

Answer

respiration, mitochondria

Answer

protein synthesis, ribosome

Answer

lipid synthesis, endoplasmic reticulum

Question 33

Golgi Apparatus: Modifies, ------------------------------- proteins.

Accepted Answer

packages and transports

Answer

destroys and digests

Question 34

ATP consists of adenine, ribose, and -------------------------------groups.

Accepted Answer

three phosphate

Answer

two phosphate

Answer

three sulfate

Answer

two nitrate

Question 35

The energy stored in ATP is located in the -------------------------the phosphate groups.

Accepted Answer

bonds between

Answer

spaces around

Answer

molecules near

Answer

atoms within

Question 36

When ATP is broken down by -------------------------------, into ---------and inorganic phosphate, energy is ---------------------

Accepted Answer

hydrolysis, ADP, released

Answer

oxidation, AMP, absorbed

Answer

reduction, ATP, stored

Answer

synthesis, GDP, consumed

Question 37

---------------explain why things happen, and ---------- describe what will happen .

Accepted Answer

theories, laws

Answer

laws, theories

Answer

hypotheses, laws

Answer

theories, hypotheses

Question 38

Controlled experiments rely on ---------------------- that is repeatable and reliable.

Accepted Answer

empirical data

Answer

theoretical opinion

Answer

anecdotal

Answer

speculative ideas

Question 39

Assimilation: Plants absorb --------------- from the soil and use them to make proteins and other organic compounds. Animals then obtain nitrogen by consuming plants.

Accepted Answer

nitrates

Answer

phosphates

Answer

sulfates

Answer

carbonates

Question 40

Nitrogenous base: IN DNA( Adenine, cytosine, guanine,-------------------------)

Accepted Answer

thymine

Answer

uracil

Question 41

Nitrogenous base: IN RNA( Adenine, cytosine, guanine,-------------------------)

Accepted Answer

uracil

Answer

thymine

Cell Theory and Scientific Experiments

53 questions

Cell theory originally had three main components: - All living organisms are composed of . - The cell is the . - All cells arise from ____________.

How are scientific theories formed? From __________ gained by many experiments of many scientists.

What is the dependent variable in the experiment? The __________________ of the independent variable.

______________ independent variable should be changed or manipulated in a correctly performed scientific experiment.

What is the control group in the experiment? The control group does not receive the __________________________.

In a line graph, the independent variable will be on the and the dependent variable will be on the .

Why is random sampling important in conducting surveys? While a random sample is ______________________, you do not always get the results you hoped for.

The process of photosynthesis is essential in the ________ cycle. Photosynthesis carbon dioxide from the atmosphere and oxygen into the atmosphere.

Photosynthesis takes from the atmosphere, so it ______ CO₂ in the atmosphere.

______________________________ results in the release of CO₂ to the atmosphere.

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Cell Theory and Scientific Experiments

53 questions

Cell theory originally had three main components: - All living organisms are composed of __________. - The cell is the ________________. - All cells arise from ______________________.

How are scientific theories formed? From __________ gained by many experiments of many scientists.

What is the dependent variable in the experiment? The __________________ of the independent variable.

______________ independent variable should be changed or manipulated in a correctly performed scientific experiment.

What is the control group in the experiment? The control group does not receive the __________________________.

In a line graph, the independent variable will be on the ________ and the dependent variable will be on the ________.

Why is random sampling important in conducting surveys? While a random sample is ______________________, you do not always get the results you hoped for.

The process of photosynthesis is essential in the __________________________ cycle. Photosynthesis ____________ carbon dioxide from the atmosphere and __________________ oxygen into the atmosphere.

Photosynthesis takes ______ from the atmosphere, so it ____________ CO₂ in the atmosphere.

______________________________ results in the release of CO₂ to the atmosphere.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Cell theory originally had three main components: - All living organisms are composed of . - The cell is the . - All cells arise from ____________.

In a line graph, the independent variable will be on the and the dependent variable will be on the .

The process of photosynthesis is essential in the ________ cycle. Photosynthesis carbon dioxide from the atmosphere and oxygen into the atmosphere.

Photosynthesis takes from the atmosphere, so it ______ CO₂ in the atmosphere.