Lecture 1 Quiz

State X represents a cell completely surrounded by cellulose, and state Y represents a cell completely surrounded by cutin. What is expected to happen after a suitable period of time?

• The two cells will die

• The cell in state X will die

• The cell in state Y will die

• Both cells will not be affected

Which of the following cells has a wall made of cellulose?

• C, B only

• B, A only

• C, A only

• C, B and A

Which of the following cells are external cells with external deposition, then determine which cells are internal cells with internal deposition respectively?

• B, D

• B, A

• C, A

• A, C

When dissecting a section of a plant root, which of the following cannot be present in any of the layers?

• Cellulose

• Suberin

• Cutin

• All of the above

Which of the following is the major component of plant cell walls that has the primary function of providing support to the cell?

• Starch

• Cellulose

• Collagen

• Glycogen

• Glucose

Which of the following doesn't contain cutin?

• The epidermal cells of the leaves

• The epidermal cells of the stem

• The epidermal cells of the roots

• All of them contain cutin

Which of the following cells has the strongest structural support?

• Collenchyma

• Sclerenchyma

• Cork

• Xylem

Which of the following do not give structural support?

• Parenchyma

• Stomata

• Phloem

• All of the above

Which of the following contain lignin?

• Sclerenchyma

• Collenchyma

• Xylem

• A and C are correct

The only chemical which allows water passage (water-permeable) is:

• Cutin

• Suberin

• Cellulose

• Lignin