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THE CELL

Total questions: 20

Worksheet time: 5hrs 0mins

Name
Class
Date
1.

Cabohydrates can be:

a)

Pasta, cereal, nuts.

b)

Fish, meat, chicken.

c)

Fried chips, olive oil, butter.

d)

Salt, food coloring, artificial flavors.

2.

The (a)   is the one that takes the energy we consume into the metabolism of our body.

3.

Meat, fish, chicken are meals that contain...

a)

High quantities of glucose.

b)

A big amount of fat.

c)

Great quantities of protein.

d)

Low amounts of protein.

4.

The heterotrophs are organisms that...

a)

...are capable of producing their own food.

b)

...absorb the energy of the sun as food.

c)

...consume other organisms.

d)

...consume little to no food.

5.

MARK THE TWO CORRECT ANSWERS


There are two reactions that can be considered completely opposite to each other.

a)

Catabolism.

b)

Cellular respiration.

c)

Photosynthesis.

d)

Glycolisis.

6.

The word calories refers to:

a)

The heat contained in food.

b)

A measurement of energy in food.

c)

Consuming a balanced diet.

d)

How different foods become energy.

7.

The image describes.

a)

The different habilities of our body.

b)

The different things we can do in life.

c)

The activities involved in metabolism.

d)

The role of different organs in our daily life.

8.

What is the name of the two main metabolic processes involved in breaking down and composing complex molecules in our body?

a)

Catabolism and cellular respiration.

b)

Photosynthesis and cellular respiration.

c)

Anabolism and photosynthesis.

d)

Catabolism and anabolism.

9.

This is an ilustration of the molecule of:

a)

Glucose

b)

Pyruvate

c)

NADH

d)

ATP

10.

This is the molecule of (a)  

11.

The image describes the...

a)

Homeostasis

b)

Anabolism

c)

Glycolisis

d)

Fermentation

12.

In which step is the molecule of pyruvate produced?

a)

Photosynthesis.

b)

Glycolysis.

c)

Preparatory reaction.

d)

Electron transport chain.

13.

This process is called...

a)

Electron transport chain.

b)

Cellular respiration.

c)

Glycolisis.

d)

Preparatory reaction.

14.

The order of the steps in cellular respiration is.

a)

Preparatory reaction, glycolysis, citric acid cycle, electron transport chain.

b)

Glycolysis, preparatory reaction, photosynthesis, electron transport chain.

c)

Glycolysis, preparatory reaction, citric acid cycle, Kreb´s cycle.

d)

Glycolysis, preparatory reaction, citric acid cycle, electron transport chain.

15.

MARK THE TWO CORRECT ANSWERS:

The image describes.

a)

The electron transport chain.

b)

The process where the glucose breaks apart.

c)

The entry of pyruvate in the preparatory reaction.

d)

The production of the greatest amount of ATP

16.

The electron transport chain uses FADH2 and (a)   to produce the greates amount of ATP in cellular respiration.

17.

The _________ fermentation produces alcohol and carbon dioxide, this process is vital for the making of bread and alcoholic beverages as well as antiseptic alcohol.

a)

Alcoholic.

b)

Lactic.

c)

Glucose.

d)

NADH.

18.

The fermentation that occurs in our body and that is anaerobic is...

a)

Lactic Acid Fermentation.

b)

Bread Fermentation.

c)

Glycolisis.

d)

Alcoholic Fermentation.

19.

The number of molecules of ATP produced by one molecule of glucose during the entire process of celullar respiration is:

a)

Between 20-25

b)

Close to 20

c)

Between 32-38

d)

Exactly 38.

20.

The words anaerobic and aerobic refer to:

a)

Processes where energy is mandatory ir order to survive.

b)

A mandatory supply of glucose in the chemical reactions of the body.

c)

The moment where ethanol and carbon dioxide are produced.

d)

The absence or presence of oxygen in chemical reactions.