Quiz about Bio benchmark

Question 1

What is that?

Accepted Answer

Ethanol

Answer

Glucose

Answer

ATP

Answer

CO2

Question 2

.... is any material that reacts to release energy to be used for work

Accepted Answer

Fuel

Answer

Ethanol

Answer

Glucose

Answer

Energy

Question 3

What does ethanol reduce?

Accepted Answer

Petroleum use

Answer

Energy loss

Answer

Chemical bond loss

Answer

CO2 usage

Question 4

How are ethanol and glucose similar in structure and function? Choose all correct answers.

Accepted Answer

They are both carbon-based molecules

Accepted Answer

They are both used as fuel

Answer

They are both hydrocarbons

Answer

They both store energy in chemical covalent bonds

Question 5

......must be broken for the stored energy to be released

Accepted Answer

chemical bonds

Answer

polar bonding

Answer

covalent bonds

Answer

ionic bonds

Question 6

What type of reaction is that

Accepted Answer

exothermic

Answer

endothermic

Question 7

..... is the energy needed to start a chemical reaction

Accepted Answer

Activation energy

Answer

Products energy

Answer

Difference in energy

Answer

Reactants energy

Question 8

Cellular respiration is an endothermic reaction

Accepted Answer

False

Answer

True

Question 9

The stored energy is transferred to ....

Accepted Answer

ATP

Answer

ADP

Answer

glucose

Answer

starch

Question 10

Which process produces a larger number of ATP in cellular respiration?

Accepted Answer

aerobic

Answer

anaerobic

Answer

exothermic

Answer

endothermic

Question 11

he release of energy as heat accounts for why the body temperatures of mammals range from (in degrees celsius)

Accepted Answer

36-39

Answer

37-39

Answer

35-38

Answer

36-38

Question 12

Both plant and animal cells contain mitochondria

Accepted Answer

True

Answer

False

Question 13

The mitochondrion has an inner membrane with many folds, called

Accepted Answer

cristae

Answer

inner membrane

Answer

matrix

Answer

intermembrane space

Question 14

The ...... separates the mitochondrion from the rest of the cell

Accepted Answer

outer membrane

Answer

matrix

Answer

outermembrane space

Answer

inner membrane

Question 15

The process of ..... occurs before the two main stages of cellular respiration

Accepted Answer

glycolysis

Answer

electron transport chain

Answer

krebs cycle

Question 16

The input for glycolysis is ...... which is an output of photosynthesis

Accepted Answer

glucose

Answer

sun light

Answer

ATP

Answer

starch

Question 17

Glycolysis forms ....., which drives the Krebs cycle to produce CO2 and ATP

Accepted Answer

pyruvate

Answer

ATP

Answer

NADH

Answer

H2O

Question 18

The process of breaking down of glucose occurs in the .... of a cell

Accepted Answer

cytoplasm

Answer

mitochondria

Answer

vacuole

Answer

nucleus

Question 19

Glycolysis is an ... process

Accepted Answer

anaerobic

Answer

endothermic

Answer

exothermic

Answer

aerobic

Question 20

pyruvate are ...

Accepted Answer

two three-carbon molecules

Answer

two three-oxygen molecules

Answer

two two-carbon molecules

Answer

three three-carbon molecules

Question 21

What is the order of cellular respiration

Accepted Answer

glycolysis -> krebs -> ETC

Answer

ETC -> krebs -> glycolysis

Answer

krebs -> ETC -> glycolysis

Answer

krebs -> glycolysis -> ETC

Question 22

The Krebs cycle was named after

Accepted Answer

Hans Kreb

Answer

Viktor Kreb

Answer

Albert Kreb

Answer

Flick Kreb

Question 23

In Krebs process, ........ are transferred to molecules such as NADH and FADH₂

Accepted Answer

low-energy protons

Answer

high-energy protons

Answer

low-energy electrons

Answer

high-energy electrons

Question 24

Which statement supports the idea that matter is conserved in the Krebs cycle?

Accepted Answer

Carbon atoms are rearranged but not created or destroyed.

Answer

Carbon atoms are made from other carbon atoms at each step.

Answer

Carbon atoms are destroyed in order to use their electrons.

Answer

Carbon atoms are combined with electrons to make new elements.

Question 25

The Krebs cycle is a continual series of reactions.

Accepted Answer

true

Answer

false

Question 26

the electron transport chain, uses .... embedded in the inner membrane of the mitochondrion

Accepted Answer

proteins

Answer

nucleic acids

Answer

carbohydrates

Answer

lipids

Question 27

Which processes demonstrate that cellular respiration involves the breaking of chemical bonds and the formation of new bonds that results in a net transfer of energy from food to the cell? Choose all correct answers.

Accepted Answer

generation of ATP

Accepted Answer

formation of pyruvate

Accepted Answer

release of sugar from carbohydrates

Answer

Movement of hydrogen ions down a concentration gradient

Answer

Transfer of electrons through a membrane

Question 28

Together, glycolysis and cellular respiration produce a net gain of up to ..... ATP molecules for every glucose molecule

Accepted Answer

38

Answer

34

Answer

26

Answer

32

Question 29

Fermentation does not make ATP, but it allows ETC to continue

Accepted Answer

False

Answer

True

Question 30

Electrons are removed from electron carriers such as ....

Accepted Answer

NADH and FADH2

Answer

NAD+

Answer

NADH only

Answer

FADH2 only

Question 31

Fermentation removes electrons from ..... molecules and recycles ..... molecules for glycolysis.

Accepted Answer

NADH , NAD+

Answer

FADH2 , FAD3+

Answer

ATP, AD{

Answer

NADH , FADH2

Question 32

A community is a group of the same species that lives in the same area

Accepted Answer

false

Answer

true

Question 33

A .... is a group of the same species that lives in the same area

Accepted Answer

population

Answer

community

Answer

ecosystem

Answer

abiotic

Question 34

Many different ecosystems make up a biome

Accepted Answer

true

Answer

false

Question 35

A ..... is a major regional or global distribution of organisms adapted to living in that particular environmen

Accepted Answer

biome

Answer

abiome

Answer

biodiversity

Answer

prairie

Question 36

An area with a high level of biodiversity, such as a tropical rain forest, has a small assortment of species living near one another.

Accepted Answer

false

Answer

true

Question 37

plants and animals that live in one biome are found in any other biome.

Accepted Answer

false

Answer

true

Question 38

The amount of biodiversity found in an area depends on many factors, including .....

Accepted Answer

moisture

Accepted Answer

temperature

Answer

heat

Answer

oxygen

Question 39

a prairie is a type of ......

Accepted Answer

temperate grassland

Answer

mountain range

Answer

desert

Answer

tropical rainforest

Question 40

These water-based ecosystems are called

Accepted Answer

aquatic ecosystems

Answer

terrestrial ecosystems

Answer

marine habitats

Answer

freshwater biomes

Question 41

There are .... main categories of aquatic ecosystems

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 42

How could rising ocean temperatures affect coral reef ecosystems? Select all correct answers.

Accepted Answer

Coral reefs contain animals that can only live in a specific environment. Rising water temperatures could cause mass die-offs.

Accepted Answer

Coral reefs are home to many different types of plants. Changing the water temperature could mean a loss in photosynthetic plants, affecting the amounts of carbon dioxide and oxygen in the water.

Answer

Coral reefs are already found in warm waters. Warmer water temperatures will not affect them.

Answer

Many of the animals in coral reefs are fish. If the water temperature increased, the fish would relocate to cooler waters.

Question 43

quatic plants utilize to convert sunlight into usable energy.

Accepted Answer

photosynthesis

Answer

cellular respiration

Answer

krebs cycle

Answer

glycolysis

Question 44

Most coral reefs grow within .... zones

Accepted Answer

tropical

Answer

abyssal

Answer

benthic

Answer

intertidal

Question 45

occur where fresh water and salt water mix together.

Accepted Answer

estuaries

Answer

open ocean

Answer

kelp forests

Answer

coral reefs

Question 46

..... is essential for metabolism

Accepted Answer

energy

Answer

sunlight

Answer

ecosystem

Answer

glucose

Question 47

which order of food chain is correct?

Accepted Answer

producer -> herbivore -> carnivore

Answer

producer -> carnivore -> herbivore

Answer

herbivore -> carnivore -> producer

Answer

none of the above

Question 48

....... is a sequence that links species by their feeding relationships

Accepted Answer

food chain

Answer

consumer

Answer

producer

Answer

decomposer

Question 49

desert cottontails are organisms that eat only plants

Accepted Answer

true

Answer

false

Question 50

desert cottontails are ......

Accepted Answer

herbivores

Answer

carnivores

Answer

producers

Answer

decomposers

Question 51

Carnivores are organisms that eat only plants

Accepted Answer

false

Answer

true

Question 52

Western diamondback rattlesnakes are carnivores

Accepted Answer

true

Answer

false

Question 53

....... are organisms that eat detritus, or dead organic matter

Accepted Answer

detritivores

Answer

herbivores

Answer

carnivores

Answer

omnivores

Question 54

..... are Detritivores

Accepted Answer

earthworms

Answer

kangaroo rats

Answer

desert cottontails

Answer

western diamondback rattlesnakes

Question 55

The first trophic level is occupied by the ......

Accepted Answer

producers

Answer

herbivores

Answer

carnivores

Answer

omnivores

Question 56

The third level is occupied by the primary consumer an herbivore

Accepted Answer

false

Answer

true

Question 57

The third and fourth levels contain secondary and tertiary consumers, and so on, which can be .... or ....

Accepted Answer

omnivores

Accepted Answer

carnivores

Answer

herbivores

Answer

producers

Question 58

A food web models the complex network of feeding relationships between trophic levels within an ecosystem

Accepted Answer

true

Answer

false

Question 59

If all the triggerfish in the food web were eliminated, what immediate effects would you expect to observe? Select all correct answers.

Accepted Answer

The reef shark population would decrease.

Accepted Answer

The shrimp population would increase.

Answer

The jellyfish population would decrease.

Answer

The algae population would increase.

Answer

The sea turtle population would increase.

Question 60

what is biomass?

Accepted Answer

growth

Answer

a fossil fuel

Answer

inorganic materials

Answer

something derived from animal wastes

Question 61

energy in organisms is divided to biomass, ...., and ......

Accepted Answer

excreted wastes

Accepted Answer

heat

Answer

homeostasis

Answer

ATP

Answer

CO2

Question 62

As trophic level ......, the amount of available energy is reduced because some is converted to heat or excreted as waste

Accepted Answer

increases

Answer

decreases

Answer

doesn't change

Question 63

..... is the percentage of energy entering the ecosystem that is incorporated into biomass at a particular trophic level

Accepted Answer

productivity

Answer

joules

Answer

pyramid model

Answer

biomass

Question 64

..... is the percentage of energy transferred from one trophic level to the next

Accepted Answer

Trophic efficiency

Answer

Biomass

Answer

Productivity

Answer

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