How do tropisms help plants survive?

Question

A. Plants grow together with other plants.
B. Plants grow toward things they need.
C. Plants create their own food using chlorophyll.
D. Plants limit their needs in harsh conditions.

Answer 1

B. Plants grow toward things they need.

Answer 2

A plant is observed to have deep roots and tendrils that wrap around objects. Which pair of tropisms correctly describe these responses?

A. hydrotropism and thigmotropism
B. phototropism and thigmotropism
C. geotropism and phototropism
D. hydrotropism and geotropism

Answer 3

D. hydrotropism and geotropism

Answer 4

Pole beans need something to grow around and up. Which kind of stimuli can encourage this type of growth?

A. touch
B. gravity
C. light
D. water

Answer 5

A. touch

Answer 6

What is xylem?

A. tube-like structures that move water through vascular plants
B. tube-like structures that move food through nonvascular plants
C. tube-like structures that move water through nonvascular plants
D. tube-like structures that move food through vascular plants

Answer 7

A. tube-like structures that move water through vascular plants

Answer 8

Which component is found in both vascular and nonvascular plants?

A. roots
B. leaves
C. chlorophyll
D. stems

Answer 9

C. chlorophyll

Answer 10

In which part of a flowering plant does photosynthesis occur?

A. flower
B. leaf
C. stamen
D. root

Answer 11

B. leaf