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Vocab Review #3 (Biological Carbon Cycle)

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and carbohydrates such as sugars and starches is called:

a)

photosynthesis

b)

cellular respiration

c)

decomposition

d)

solvent

2.

The process that releases energy (ATP) by breaking down glucose and other food molecules in the presence of oxygen is called:

a)

photosynthesis

b)

coefficient

c)

protein

d)

cellular respiration

3.

Which best describes a product?

a)

two or more atoms held together by covalent bonds

b)

substance(s) produced by a chemical reaction

c)

substance(s) that takes part in and undergoes change

during a reaction

d)

places of carbon accumulation

4.

What are the substance(s) that takes part in and undergoes change

during a reaction?

a)

chemical equation

b)

product

c)

reactant

d)

coefficient

5.

What is used to represent a chemical reaction that uses symbols to show the relationship between the reactants and the products?

a)

coeffient

b)

subscript

c)

chemical equation

d)

reactant

6.

What is the chemical reaction that breaks down compounds into simpler products called?

a)

chemical reaction

b)

decomposition

c)

subscript

d)

law of conservation of mass

7.

What are the places of carbon accumulation called on Earth?

a)

carbon dioxide chemical formula

b)

organic

c)

carbon sink

d)

glucose chemical formula

8.

What term that means something contains carbon?

a)

carbon sink

b)

organic

c)

carbohydrate

d)

cohesion

9.

Which is the chemical formula for carbon dioxide?

a)

CO2

b)

ATP

c)

coefficient

d)

C6H12O6

10.

Which is the chemical formula for water?

a)

CO2

b)

H2O

c)

O2

d)

C6H12O6

11.

Which is the chemical formula for oxygen?

a)

ATP

b)

H2O

c)

O2

d)

C6H12O6

12.

Which is the chemical formula for glucose?

a)

CO2

b)

H2O

c)

O2

d)

C6H12O6

13.

Which correctly describes sunlight?

a)

a chemical reaction that breaks down compounds into

simpler products

b)

radiant energy captured by plants for photosynthesis

c)

chemical energy produced in cells for carrying out life

processes

d)

C6H12O6

14.

What is the chemical energy produced in cells for carrying out life processes called?

a)

ATP

b)

sunlight

c)

lipid

d)

carbohydrate

15.

Which correctly describes a solvent?

a)

two or more atoms held together by covalent bonds

b)

places of carbon accumulation

c)

a liquid substance capable of dissolving other substances

d)

H2O

16.

Which of the following correctly describes a molecule?

a)

substance(s) produced by a chemical reaction

b)

substance(s) that takes part in and undergoes change

during a reaction

c)

a chemical reaction that breaks down compounds into

simpler products

d)

two or more atoms held together by covalent bonds

17.

A number in front of a chemical formula in an equation that

indicates how many molecules or atoms of each reactant

and product are involved in a reaction is called:

a)

subscript

b)

molecule

c)

cohesion

d)

coefficient

18.

A number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound is called:

a)

product

b)

reactant

c)

coefficient

d)

subscript

19.

The law of conservation states:

a)

the number in front of a chemical formula indicates how many molecules or atoms of each reactant

and product are involved in a reaction

b)

chemical energy is produced in cells for carrying out life

processes

c)

energy (ATP) is released by breaking down glucose and other food molecules in the presence of oxygen

d)

matter, mass, or energy cannot be created or de-

stroyed in ordinary chemical and physical changes

20.

organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy

a)

mitochondria

b)

chloroplast

c)

endoplasmic reticulum

d)

ribosomes

21.

organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.

a)

mitochondria

b)

chloroplast

c)

endoplasmic reticulum

d)

ribosomes

22.

center of the atom

a)

nucleus

b)

electron cloud

c)

ribosome

d)

chloroplast

23.

area around the nucleus of an atom where the atom's electrons are most likely to be found

a)

nucleus

b)

electron cloud

c)

ribosome

d)

chloroplast

24.

non-living vascular tissue that uses the properties of adhesion and cohesion to carry water and dissolved minerals from the roots of a plant to its leaves

a)

leaf

b)

stomata

c)

xylem

d)

phloem

25.

living vascular tissue that carries sugar and organic substances throughout a plant

a)

leaf

b)

stomata

c)

xylem

d)

phloem