Plant Growth and Disease
Practice Test
1.
Air, light, temperature, water, and minerals are plant _____________.
a.
growth requirements
b.
types
c.
classifications
d.
characteristics
Hint
2.
What do we call a substance made up of minerals, living organisms, and dead and decaying matter, air, and water?
a.
fertilizer
b.
soil
c.
urea
d.
sand
Hint
3.
What do we call plants that do not depend upon day length to produce flowering hormones?
a.
short-day plants
b.
long-day plants
c.
conifers
d.
day-neutral plants
Hint
4.
What is the twining part on grape vines that attach the vine to a fence?
a.
pseudopod
b.
tendril
c.
tentacle
d.
finger
Hint
5.
What are chemicals made in one part of an organism that affect another part of the organism?
a.
pheromones
b.
catalysts
c.
hormones
d.
enzymes
Hint
6.
What type of soil is hard because the soil particles are very small and packed together?
a.
clay
b.
rock
c.
sandy soil
d.
crumbly soil
Hint
7.
What do we call plants that live longer than two years?
a.
fungi
b.
biennial
c.
annual
d.
perennial
Hint
8.
What do we call plants that flower when the day length is less than 12 to 14 hours?
a.
long-day plants
b.
short-day plants
c.
conifers
d.
day-neutral plants
Hint
9.
What is the movement of plant organs in response to light?
a.
migration
b.
phototropism
c.
thigmotropism
d.
reflex
Hint
10.
Hormones in what location cause a plant to grow taller?
a.
primary root tip
b.
lateral bud
c.
termnial bud
d.
secondary root tip
Hint
