Question 1

Which of the following adaptations was most critical for the first land plants to survive in a terrestrial environment?

Accepted Answer

Development of a waxy cuticle to prevent water loss

Question 2

What is the primary function of xylem in vascular plants?

Accepted Answer

Transporting water and minerals from roots to leaves

Question 3

Which of the following best describes the role of stomata in plant leaves?

Accepted Answer

They allow for gas exchange between the plant and the atmosphere

Question 4

A botanist discovers a plant with vascular tissue but no seeds or flowers. To which group does this plant most likely belong?

Accepted Answer

Seedless vascular plants

Question 5

Which of the following cell types is responsible for flexible support in young, growing regions of a plant?

Accepted Answer

Collenchyma cells

Question 6

Which of the following statements about the carbon cycle is correct?

Accepted Answer

Photosynthesis removes $$\mathrm{CO_2$}$$ from the atmosphere and incorporates it into organic molecules.

Question 7

Which of the following best explains why vascular tissue was a key innovation for plant colonization of land?

Accepted Answer

It allowed plants to transport water and nutrients efficiently, enabling them to grow upright and larger.

Question 8

Which of the following is a function of the plant dermal tissue system?

Accepted Answer

Protection against water loss and pathogens

Question 9

A plant cell with a thick secondary wall impregnated with lignin, dead at maturity, and providing structural support is most likely a:

Accepted Answer

Sclerenchyma cell

Question 10

Which of the following best describes the evolutionary relationship between green algae and land plants?

Accepted Answer

Land plants evolved from ancestral green algae

Question 11

Which of the following is true about the function of phloem in plants?

Accepted Answer

Phloem transports sucrose and other organic compounds throughout the plant

Question 12

Which of the following is a correct match between a plant tissue and its function?

Accepted Answer

Ground tissue – photosynthesis and storage

Question 13

Which of the following best explains why vessel elements are considered more specialized than tracheids?

Accepted Answer

Vessel elements are shorter, wider, and have perforation plates that allow for more efficient water transport.

Question 14

Which of the following is NOT a function of parenchyma cells in plants?

Accepted Answer

Providing rigid structural support to mature plant regions

Question 15

Which of the following best describes the function of companion cells in the phloem?

Accepted Answer

They metabolically support sieve-tube members

Question 16

Which of the following is a correct sequence of plant tissue system development from meristematic tissue?

Accepted Answer

Protoderm → dermal tissue; Ground meristem → ground tissue; Procambium → vascular tissue

Question 17

Which of the following best explains why plants are considered primary producers in an ecosystem?

Accepted Answer

They convert energy from sunlight into chemical energy through photosynthesis

Question 18

Which of the following is a real-world consequence of deforestation on the carbon cycle?

Accepted Answer

Increased atmospheric $$\mathrm{CO_2$}$$ due to loss of carbon sequestration by trees

Question 19

Which of the following statements about plant growth is correct?

Accepted Answer

Primary growth increases the length of roots and shoots, while secondary growth increases their thickness.

Question 20

A plant biologist is studying a tissue that forms the outermost layer of a root and is specialized for water and mineral absorption. This tissue is most likely:

Accepted Answer

Epidermis with root hairs

Modue3:Plant Form and Function: Adaptations, Tissue Systems, and Growth in Land Plants

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