4/2 Science Assessment Questions

Even on a windy day, most plants can remain upright. Which structure plays the greatest role in providing a plant with this type of support?

a. nucleus

b. mitochondra

c. cell wall

d. skeleton

2. Which statement correctly identifies a function of a chloroplast in eukaryotic cells?

a. It contains cellulose, which helps a plant conduct respiration

b. It contains cellulose, which helps in animal conduct respiration.

c. It contains a green pigment, which helps a plant capture energy from sunlight.

d. it contains a green pigment, which helps an animal capture energy from the sunlight.

3. A scientist examines a structure within a cell that contains a large amount of genetic material. Which statement best identifies the structure’s function?

a. it controls cellular activites.

b. it stores food, water, and waste

c. it gives the cell shape and support

d. it uses light energy to make sugars

4.  Which statement describes how a plant cell’s functions would change in the absence of a vacuole?

a. The cell would not be able to produce proteins.

b. The cell would lack energy to destroy foreign particles.

c. Fluids  and  wastes would not be stored within the cell.

d. materials would not be transported between the nucleus and cell membrane.

 

5. A scientist wanted to study a cell which lacked the structure that contains the material needed to control  cell activities .

Which structure would need to be missing from the cell for his study to take place?

a. nucleus

b. vacuole

c. lysosome

d. mitochondrion

 

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