Revision form 1

Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria
• the vacuoles
• the nucleus
• the cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which structures are found in every living cell?

• cell membrane and cytoplasm
• chloroplasts and mitochondria
• a cell wall and nucleus
• chloroplasts and cell wall

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What is the function of the cell nucleus found in both plant and animal cells?

• to produce energy
• to control cell activity
• to remove waste products
• to allow molecules to enter the cell

Tags

NGSS.MS-LS1-2

What is one basic function of the vacuoles?

• circulating oxygen
• producing food
• controlling cell processes
• storing water

Tags

NGSS.MS-LS1-2

Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?

• to absorb light energy and manufacture food
• to remove waste materials by active transport
• to manufacture chemical energy from food
• to control the shape of the cell

Tags

NGSS.MS-LS1-6

All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?

• chloroplasts
• mitochondria
• nucleus
• vacuoles

Tags

NGSS.MS-LS1-7

In what part of the plant cell does the process of photosynthesis take place?

• nucleus
• mitochondria
• chloroplasts
• vacuoles

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Tags

CCSS.7.RP.A.3

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

Frank has an eraser. It has a mass of 4g, and a volume of 2cm³. What is its density?

• 8 g/cm³
• 2 g/cm³
• 1/2 g/cm³
• 24 g/cm³

Tags

CCSS.HSG.MG.A.2