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Worksheets

Biology

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What is CARBON DIOXIDE??

a)

Chemical element that commonly bonds with carbon in biological cycles.

b)

An inorganic compound of 2 oxygens and a carbon.

c)

An organism that can produce its own food using carbon and light.

d)

Compound formed from a chemical reaction.

2.

Oxygen

a)

o2

b)

co2

c)

c6h1206

d)

h20

3.

An organism that cannot produce its own food and gets energy from other organisms when they feast.

a)

autotroph

b)

spiderman

c)

heterotroph

d)

mitochondria

4.

Photosynthesis

a)

C6H12O6 + 6CO2 → 6O2 + 6H2O

b)

6H2O+ 6O2 → C6H12O6 + 6CO2

c)

6CO2 + 6H2O → C6H12O6 + 6O2

d)

C6H12O6 + 6O2 → 6CO2 + 6H2O

5.

Cellular Respiration

a)

C6H12O6 + 6O2 → 6CO2 + 6H2O

b)

C6H12O6 + 6H2O → 6CO2 + 6O2

c)

6CO2 + 6H2O → C6H12O6 + 6O2

d)

6H2O + 6O2 → 6CO2 + C6H12O6

6.

Where does cellular respiration take place?

a)

ribosomes

b)

nucleus

c)

Mitochondria

7.

Most of Earth´s carbon is found in what form?

a)

Rocks and fossils

b)

water and fossils

c)

rocks and plants

d)

plants and water

8.

What do herbivores give off when they use energy?

a)

oxygen and ATP

b)

heat and oxygen

c)

heat and carbon dioxide

d)

carbon dioxide and oxygen

9.

Where does photosynthesis take place?

a)

ATP

b)

mitochondria

c)

nucleus

d)

chloroplast

10.

True or False: Plants use mechanical energy to gain energy.

a)

True

b)

False

11.

Organisms that make their own food.

a)

omnivores

b)

autotrophs

c)

heterotrophs

d)

carnivores

12.

What is the PRODUCT?

a)

when you multiply two numbers together

b)

a substance manufactured for same

c)

The compounds formed from a chemical reaction

d)

The compounds at the start of a chemical equation

13.

True or False: Reactants are compounds that are transformed into products during a chemical reaction.

a)

True

b)

False

14.

A biomolecule made of fatty acids

a)

amino acids

b)

proteins

c)

carbohydrates

d)

lipids

15.

What biomolecules are made from a chain of amino acids

a)

amino acids

b)

carbohydrates

c)

proteins

d)

lipids

16.

what does cellular respiration do?

a)

makes fatty acids

b)

creates atp

c)

breathes

d)

creates proteins

17.

What is this compound?

C6H12O6

a)

oxygen

b)

water

c)

carbon dioxide

d)

glucose

18.

A primary pigment found in chloroplast

a)

red and blue

b)

green and red

c)

green and yellow

d)

yellow and blue

19.

What is the ¨Powerhouse of the Cell¨?

a)

mitochondria

b)

nucleus

c)

cell membrane

d)

ATP

20.

What do we breathe in?

a)

glucose

b)

oxygen

c)

carbon dioxide

d)

atp

21.

What gas do plants give off in the dark?

a)

hydrogen

b)

nitrogen

c)

oxygen

d)

carbon dioxide

22.

Where does anaerobic respiration occur?

a)

nucleus

b)

mitochondria

c)

cytoplasm

d)

ATP

23.

Where does aerobic respiration occur?

a)

lungs

b)

mitochondria

c)

cytoplasm

d)

nucleus

24.

2 ways carbon is released into the air:

a)

animals and rocks

b)

plants and fossils

c)

plants and animals

d)

rocks and fossils

25.

When does cellular respiration occur?

a)

atp

b)

during the night

c)

any time

d)

during the day