1.A tropism in which a plant "bends" towards the sun throughout the day. *
A. Gravitropism
B. Phototropism
C. Hydrotropism
D. Photoperiodism
2.A tropism where a plant responds to the stimulus of water by growing or bending towards it. *
A. Hydrotropism
B. Photohydroism
C. Gravitropism
D. Phototropism
3.When a plant responds to touch such as a grape vine wrapping around a branch. *
A. Hydrotropism
B. Thigmotropism
C. Photoperiodism
D. Gravitropism
4.Unlike tropisms, nastic movements are in response to *
A) darkness
B) wind
C) non-directional stimuli
D) directional stimuli
5. A sleep movement is a _____. *
a) tropism
b) nastic response
c) grows downwards
d) develop horizontally
6.When an upright plant is placed on its side, the _____. *
a) plant dies
b) stem bends and grows upwards
c) stem bends and grows downwards
d) stem continues to develop horizontally
7.Curving away from light is called _____. *
a) positive phototropism
b) positive thigmotropism
c) negative gravitropism
d) negative phototropism
8. A movement in response to touch is known as _____. *
a) phototropism
b) gravitropism
c) thigmotropism
d) hydrotropism
9.Carnivorous plants evolved because which of the following nutrients is often extremely limited in their habitats? *
a. carbon
b. carbondioxide
c. oxygen
d. nitrogen
10.Rapid turgor pressure changes in specialized multicellular swellings called ____________ are associated with leaves that move in response to touch or light. *
a. petioles
b. pulvini
c. stipules
d. pudicas