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Chemical Energy and ATP

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

In which organism(s) does photosynthesis occur?

a)

plants

b)

algae

c)

some bacteria

d)

all of these

2.

Protons move into the thylakoid due to the

a)

vacuole

b)

mitochondria

c)

cell wall

d)

movement of electrons through the electron transport chain

3.

ATP gets formed in the light dependent reaction by which process?

a)

Chemiosmosis

b)

Photosmosis

c)

Diffusion

d)

Active Transport

4.

It is important to create a concentration of H+  in the thylakoid space so that the H+ can diffuse through_________ to create ______.

a)

ATP synthase, ATP

b)

NADH, NADPH

c)

proton pump, protons

5.

Where do the light reactions happen?

a)

mitochondria membrane

b)

thylakoid membrane

c)

stroma

d)

central vacuole

6.

what is ATP

a)

is a molecule that transfers energy from the breakdown of food molecules to cell processes

b)

is a lower-energy molecule that can be converted into ATP.

c)

to store protein

d)

is a process by which some organisms use chemical energy to make energy-storing carbonbased molecules.

7.

In which part of the cell does respiration occur?

a)

chloroplast

b)

cell wall

c)

mitochondria

d)

vacuole

8.

In a light-dependent reaction, water and sunlight is needed to make oxygen and _____.

a)

carbon dioxide

b)

sugar

c)

chlorophyll

d)

ATP

9.

What is the difference between ATP and ADP?

a)

ADP powers movement, while ATP does not

b)

ATP has three phosphates; ADP has two

c)

ATP contains adenine and ribose, while ADP does not

d)

ATP has less energy than ADP

Show answers

Explanation

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10.

Organisms that make their own food are called

a)

heterotrophs

b)

autotrophs

c)

polytrophs

d)

homotrophs