Cells and Systems

Name the part of the animal cell that controls the functioning of the cell.

• ribosome

• mitochondrion

• cell membrane

• nucleus

Tags

NGSS.MS-LS1-2

Name the part of a plant cell where a plant manufactures its food

• chloroplast

• mitochondrion

• nucleus

• cell wall

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

Three of the following statements about specialised cells are true. Identify the INCORRECT one.

• Specialised cells have special jobs to do in the body

• Muscle cells are specialised cells you use to move around

• Root hairs are specialised cells on plants which help them to take in water

• Unicellular organisms are highly specialised cells

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Name the type of animal cell that sends electrical signals around the body

• muscle cell

• nerve cells

• skin cells

• blood cells

Tags

NGSS.MS-LS1-3

During a class investigation on cells, students observed different cell types using a compound light microscope and prepared slides. An ​ (a)   is a ​ (b)   that has an outermost rigid cell wall and a large vacuole. They appear brick-like in shape. On the other hand, a ​ (c)   is an ​ (d)   having a rounded structure but lacking a cell wall.

• onion cell

• plant cell

• human cheek cell

• animal cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Select the list that shows the level of organisation from most complex to least complex

• organelle to cell to tissue to organ to organ system

• cell to organ system to tissue to organelle to organ

• organ system to organ to tissue to cell to organelle

• tissue to organelle to organ to cell to organ system

Tissues are found in multi-cellular organisms. Select the best definition of a tissue.

• A group of cells of the same type working together

• Different organs working together to perform an important function

• A number of different types of cells that make up an organ

• Another name for a body system

Tags

NGSS.MS-LS1-3

Why do cells divide?

• growth, repair, replace

• Everything but the independent and dependent variable.

• The outcome factor; the variable that may change in response to manipulations of the independent variable.

• The experimental factor that is manipulated; the variable whose effect is being studied.

• independent variable

Tags

NGSS.MS-LS1-5

What does salt water do to cells?

• makes them lose water and shrink (osmosis)

• growth, repair, replace

• Everything but the independent and dependent variable.

• The outcome factor; the variable that may change in response to manipulations of the independent variable.

• The experimental factor that is manipulated; the variable whose effect is being studied.

Tags

NGSS.MS-LS1-2

How do red blood cells help a cut to heal?

• bring oxygen to cells

• muscles help keep bones in place and help with movement

• support, protection, movement, storage, blood cell production

• protection, sensation

• produce movement, maintain posture, stabilize joints

Tags

NGSS.MS-LS1-3