Question 1

Which of the following best describes the hierarchical organization of plant structure from largest to smallest?

Accepted Answer

Organ \u003e tissue \u003e cellular

Question 2

A botanist is studying a plant with vascular bundles scattered throughout the ground tissue of its stem. Based on this stem anatomy, which type of plant is she most likely examining?

Accepted Answer

A monocot

Question 3

Which plant cell type is primarily responsible for photosynthesis and storage, and is characterized by thin, flexible primary walls?

Accepted Answer

Parenchyma

Question 4

A plant is observed to grow taller each year and also increase in girth (thickness). Which combination of meristems is responsible for these growth patterns?

Accepted Answer

Apical meristems for height and lateral meristems for thickness

Question 5

Which of the following best explains why guard cells are essential for plant survival?

Accepted Answer

They regulate the opening and closing of stomata, balancing gas exchange and water loss.

Question 6

A mutation in a plant organ identity gene causes petals to develop where stamens should be. This is best explained by which hypothesis?

Accepted Answer

ABC hypothesis of flower formation

Question 7

Which tissue system is primarily responsible for the transport of water and nutrients throughout the plant?

Accepted Answer

Vascular tissue

Question 8

A gardener notices that the leaves of a plant are not developing properly and suspects a problem with the primary meristem. Which primary meristem is directly responsible for leaf epidermis formation?

Accepted Answer

Protoderm

Question 9

Which of the following is a correct description of secondary growth in woody plants?

Accepted Answer

It results from the activity of lateral meristems, increasing the thickness of stems and roots.

Question 10

During primary growth of roots, which zone is directly responsible for the increase in root length due to cell expansion?

Accepted Answer

Zone of elongation

Question 11

Which of the following best describes the function of lenticels in woody stems?

Accepted Answer

They allow gas exchange between internal tissues and the atmosphere.

Question 12

A plant completes its entire life cycle, from germination to seed production, within a single year. What is the term for this type of plant?

Accepted Answer

Annual

Question 13

Which of the following equations best represents the relationship between water uptake and cell expansion in plant cells?

Accepted Answer

$$\Delta V = \Delta W_{vacuole}$$

Question 14

Which of the following statements about apical dominance is correct?

Accepted Answer

The presence of an active apical bud suppresses the growth of axillary buds.

Question 15

A tree is cut and the rings are counted to estimate its age. These rings are formed by which process?

Accepted Answer

Secondary growth from the vascular cambium

Question 16

Which of the following is NOT a function of the root cap?

Accepted Answer

Transporting sugars to the leaves

Question 17

Which of the following best explains why cell differentiation in plants can occur even though all cells have the same DNA?

Accepted Answer

Cell fate is determined by positional information and gene expression patterns.

Question 18

Which of the following is a correct sequence of developmental processes in plants?

Accepted Answer

Growth → morphogenesis → cell differentiation

Question 19

A plant with a mutation that prevents the formation of secondary xylem would be unable to:

Accepted Answer

Increase the thickness of its stem

Question 20

Which of the following best describes the function of the periderm in woody plants?

Accepted Answer

It replaces the epidermis and provides protection as the plant increases in girth.

Plant Structure, Growth, and Development: Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard