Unit 2 Review

What's the Matter?

Synthetic Materials

Cell Theory

Cell Structure & Function

Photosynthesis & Cellular Respiration

100

The building block of matter

Atom

100

Human-made materials

Synthetic Materials

100

According to cell theory, all cells come from:

A. soil.

B. water.

C. pre-existing cells.

D. chemical reactions.

C. Pre-existing cells

100

Which of the following best describes the function of the mitochondria in the cell?

A. Control room

B. Gatekeeper

C. Storage & distribution center

D. Powerhouse

100

Which of these must a plant have in order to make food?

A. oxygen

B. glucose

C. sunlight

D. hydrogen

C. sunlight

200

Two or more atoms (of any type) that are chemically bonded.

Molecule

200

The most common type of synthetic material

Plastic

200

Which of the following is made of cells?

A. a leaf

B. a rock

C. a raindrop

D. a snowflake

A. a leaf

200

Both plant and animal cells contain:

A. cilia.

B. a nucleus.

C. chloroplasts.

D. pseudopods.

B. a nucleus.

200

What are the products of photosynthesis?

A. sunlight, carbon dioxide, and water

B. glucose, water and carbon dioxide

C. glucose and oxygen

D. water and glucose

C. glucose and oxygen

300

All of the following are compounds EXCEPT:

A. H₂O

B. CO₂

C. H₂O₂

D. Cl₂

300

Which of the following statements about synthetic materials is false?

A. Synthetic materials help meet needs.

B. Synthetic medicines help us live longer.

C. Synthetic materials are made using natural resources.

D. Natural materials are always better than synthetic materials.

300

Cell theory has three parts: The cell is the basic unit of life in all living things, all cells come from existing cells, and ______________.

A. all cells are microscopic in size

B. nonliving things are composed of cells

C. the cell was discovered by Robert Hooke

D. all organisms are made of one or more cells

300

Which of the following is likely to be found in a cell from a maple leaf but not in a human nerve cell?

A. cell wall

B. cytoplasm

C. mitochondria

D. cell membrane

A. cell wall

300

The reactants for photosynthesis are:

A. Carbon dioxide & water

B. Glucose & Oxygen

C. ATP & Carbon dioxide

D. Nitrogen & Water

A. Carbon dioxide & water

400

Which of the following represents a molecule?

A. Ca

B. Co

C. CO

D. Cu

C. CO

400

All of the following conclusions support the use of products created with synthetic chemicals EXCEPT

A. Synthetically produced materials are toxic.

B. Synthetically produced materials are easier to obtain.

C. Organically produced materials require more resources to obtain.

D. Organically produced materials are more expensive to consumers.

A. Synthetically produced materials are toxic.

400

Which characteristic do all organisms share?

A. All organisms are made of cells.

B. All organisms have cells with cell walls.

C. All organisms can make their own food.

D. All organisms have cells with a nucleus.

A. All organisms are made of cells.

400

Which of the following statements is true about all cells?

A. They all have a cell wall.

B. They are all part of tissues.

C. They all contain chlorophyll.

D. They all have a cell membrane.

400

Which of the following are products (outputs) of cellular respiration?

A. Glucose & oxygen

B. Carbon dioxide & oxygen

C. Carbon dioxide, water & energy

D. Nitrogen & Oxygen

C. Carbon dioxide, water & energy

500

The formula for Lactose is C₁₂H₂₂O₁₁. Identify the number of atoms of EACH element in lactose.

12 Carbon atoms

22 Hydrogen atoms

11 Oxygen atoms

500

A food manufacturer decides to stop using preservatives in its tomato sauce. How will the tomato sauce most likely change as a result?

A. It will spoil faster.

B. It will cost more to make.

C. It will have fewer vitamins.

D. It will give people headaches.

A. It will spoil faster.

500

Some organisms are unicellular, while others are multicellular. Select the model/description that best represents multicellular organisms.

A. a molecule of water

B. the iron rails a train travels over

C. the building blocks used to make a castle

D. the high-performance chip in the newest mobile phone

C. the building blocks used to make a castle

500

Which of the following best describes the function of the golgi apparatus in the cell?

A. Control room

B. Gatekeeper

C. Storage & distribution center

D. Powerhouse

C. Storage & distribution center

500

The following features or properties all connect with both the process of cellular respiration and photosynthesis in plants EXCEPT

A. ATP is made

B. Energy is stored

C. Occurs inside the cell

D. Carbon dioxide and water are reactants