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cells and energy

Total questions: 52

Worksheet time: 13hrs 0mins

Name
Class
Date
1.

What molecule carries chemical energy that cells use for their functions?

a)

ADP

b)

ATP

c)

NAD+

d)

NADP+

2.

The breakdown of which of the following provides the largest number of ATP per molecule?

a)

carbohydrates

b)

lipids

c)

proteins

d)

cellulose

3.

Which of the following reactions provides the chemical energy for most cell functions?

a)

ATP - P → ADP

b)

ATP + P → ADP

c)

ADP - P → ATP

d)

ADP + P → ATP

4.

Chemosynthesis is a process through which some organisms use energy from chemicals in their environment to build sugars in the absence of

a)

ATP

b)

water

c)

glucose

d)

sunlight

5.

The water molecules labeled A in Figure 4.1 are going to the thylakoids to take part in which process?

a)

light-dependent reactions

b)

Krebs cycle

c)

Calvin cycle

d)

light-independent reactions

6.

Which of the following best describes the molecules labeled B in Figure 4.1?

a)

carbon monoxide entering the light-independent reactions

b)

water entering the thylakoid membrane

c)

carbon dioxide entering the Calvin cycle

d)

oxygen entering an electron transport chain

7.

Which of the following is a reactant in photosynthesis?

a)

O2

b)

C6H12O6

c)

CO2

d)

COOH

8.

Which of the following is the site of the photosystems in the light-dependent reactions of photosynthesis?

a)

stroma

b)

thylakoid membrane

c)

ATP synthase

d)

mitochondrial matrix

9.

What is the name of the process that breaks glucose down into the pyruvate that is used in cellular respiration?

a)

fermentation

b)

electron transport

c)

glycolysis

d)

the Krebs cycle

10.

The aerobic stages of cellular respiration take place in the

a)

cell membrane

b)

mitochondria

c)

cytoplasm

d)

grana

11.

Which process is best represented by the following chemical equation?

sugars + oxygen → carbon dioxide + water

a)

cellular respiration

b)

photosynthesis

c)

glycolysis

d)

fermentation

12.

Which of the following is best shown by Figure 4.2 below?

a)

glycolysis

b)

diffusion

c)

the Krebs cycle

d)

electron transport chain

13.

What is the main function of the electrons shown in Figure 4.2?

a)

provide energy to form water molecules

b)

provide energy to break down glucose

c)

provide energy to make ADP

d)

provide energy to pump hydrogen ions

14.

An electron transport chain is part of

a)

the Krebs cycle only

b)

cellular respiration only

c)

both photosynthesis and cellular respiration

d)

both glycolysis and the Krebs cycle

15.

Which process allows glycolysis to continue in the absence of oxygen?

a)

chemosynthesis

b)

photosystem I

c)

cellular respiration

d)

fermentation

16.

Before cellular respiration, glucose must be broken down by the process of

a)

photosynthesis

b)

glycolysis

c)

electron transport

d)

fermentation

17.

Which of the following is a product of the Krebs cycle?

a)

carbon dioxide

b)

oxygen

c)

lactic acid

d)

glucose

18.
What organelle of the cell produces energy?
a)
Mitochondria 
b)
Golgi Body 
c)
Vesicle 
d)
Vacuole 
19.
What kind of transport does not require energy?
a)
Active 
b)
Vacuole 
c)
Passive 
d)
Na/K Pump 
20.
What structure of the cell forms a frame that holds the cell up in the cytoplasm?
a)
centrioles 
b)
cell wall 
c)
flagella 
d)
cytoskeleton 
21.
What is something that prokaryotic and eukaryotic cells have in common?
a)
They have a nucleus. 
b)
They are multi-cellular. 
c)
They have DNA. 
d)
They have organelles that are membrane-bound.
22.
What is facilitated diffusion?
a)
Transport that uses proteins to help move molecules across the membrane. 
b)
Movements of substances through a membrane. 
c)
When molecules spread from High to Low concentration on their own. 
d)
When pressure pushes something through a membrane. 
23.
What macromolecules help to make the cell membrane? 
a)
Proteins 
b)
Carbohydrates 
c)
Phospholipids 
d)
All of the above 
24.
All of the following statements are true about prokaryotic cells EXCEPT 
a)
No nucleus 
b)
They are simple and small 
c)
Have a cell wall 
d)
Have organelles 
25.
This process uses pressure to push substances through the cell membrane. 
a)
Filtration 
b)
Active Transport 
c)
Osmosis 
d)
Endocytosis 
26.
Which of the following is the best example of osmosis? 
a)
NA/K Pump 
b)
Water moving though the cell membrane 
c)
Kidneys 
d)
Photosynthesis 
27.
What is the significance of the cell membrane? 
a)
Provides protection 
b)
Maintains homeostasis 
c)
Give a cell hydrophobic ends
d)
Provides cholesterol 
28.
The small intestines use filtration. 
a)
True 
b)
False 
29.
Movement of materials through a vesicle into the cell that requires energy is 
a)
exocytosis
b)
endocytosis 
c)
osmosis 
d)
simple diffusion 
30.
What are the 2 parts of a phospholipid? 
a)
Hydrophobic head, hydrophilic tails 
b)
Hydrophobic heads, hydrophobic tails 
c)
Hydrophilic heads, hydrophobic tails 
d)
Hydrophilic heads, hydrophilic tails 
31.
What is an isotonic solution?
a)
When solutions are in equilibrium 
b)
When the solution has more solute 
c)
When the solution has less solute 
d)
Has a greater pressure 
32.
Active transport does not require energy.
a)
True 
b)
False 
33.
Which of the following is correct about the Golgi? 
a)
Digests waste materials 
b)
Protection and Support 
c)
Modifies and packages molecules 
d)
cellular movement 
34.
The nuclear envelope encloses the nucleus and its contents.
a)
True 
b)
False 
35.
Molecules using simple diffusion move from 
a)
high to low concentrations 
b)
low to high concentrations 
c)
no concentrations  
d)
both concentrations  
36.
Osmosis is the movement of... 
a)
salt 
b)
sugar 
c)
water 
d)
none of these 
37.
The path that water molecules take into the cell is... 
a)
through cholesterol 
b)
between globular proteins 
c)
between phospholipids 
d)
through peripheral proteins 
38.

What process makes glucose in plants and some algae?

a)

Photosynthesis

b)

Cellular Respiration

c)

Chemosynthesis

d)

Fermentation

39.

What process makes glucose using sulfur and occurs in organisms living near hydrothermal vents on the ocean floor?

a)

Photosynthesis

b)

Cellular Respiration

c)

Chemosynthesis

d)

Fermentation

40.

What process breaks down glucose in the presence of oxygen in order to make ATP (energy)?

a)

Photosynthesis

b)

Cellular Respiration

c)

Chemosynthesis

d)

Fermentation

41.

What process breaks down glucose in the absence of oxygen in order to make ATP (energy)?

a)

Photosynthesis

b)

Cellular Respiration

c)

Chemosynthesis

d)

Fermentation

42.

What process creates more energy (ATP)?

a)

Fermentation

b)

Cellular Respiration

43.

Inside what organelle does photosynthesis occur?

a)

Mitochondria

b)

Lysosome

c)

Ribosome

d)

Chloroplast

44.

Inside what organelle does cellular respiration occur?

a)

Mitochondria

b)

Lysosome

c)

Ribosome

d)

Chloroplast

45.

Which of the following actions would NOT increase the rate of photosynthesis?

a)

Increasing the number of chloroplasts

b)

Increasing the intensity of light

c)

Increasing the amount of water available

d)

Increasing the amount of oxygen available

46.

Which of the following actions would NOT increase the rate of cellular respiration?

a)

Increasing the number of mitochondria

b)

Increasing the amount of carbon dioxide

c)

Decreasing the amount of ATP already in the cell

d)

Increasing the amount of oxygen available

47.

What process is shown in this equation?

a)

Fermentation

b)

Cellular Respiration

c)

Photosynthesis

d)

Chemosynthesis

48.

What process is shown in this equation?

a)

Fermentation

b)

Cellular Respiration

c)

Photosynthesis

d)

Chemosynthesis

49.

What process is shown in this equation?

a)

Fermentation

b)

Cellular Respiration

c)

Photosynthesis

d)

Chemosynthesis

50.

How are photosynthesis and chemosynthesis similar?

a)

They both use sunlight.

b)

They both make glucose.

c)

They both make energy.

d)

They both use oxygen.

51.

What is the relationship between photosynthesis and cellular respiration?

a)

The are opposites processes.

b)

They do the same thing but in different cells.

c)

They both make energy.

d)

There is no relationship.

52.

What macromolecule is the primary source of energy for organisms?

a)

Lipids

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

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