NEW
Font size
S
M
L
XL
WorksheetsPlant Processes
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
Which of the following is NOT a benefit gymnosperms provide for humans?
a)
Building materials
b)
Grains and herbs
c)
Paper production
d)
Medicine
2.
Which of the following is NOT a way land plants move?
a)
Float in water
b)
Float on wind
c)
Plant in the soil at base of plant
d)
Travel on people or animals
3.
One of the characteristics of plant cells that is different from animal cells is a________.
a)
Mitochondrion
b)
Cell wall
c)
nucleus
d)
cell membrane
4.
Which letter best represents the part of a seed which develops from the zygote?
a)
A
b)
B
c)
C
d)
D
5.
Which plant part produces the majority of the cytokinins found in plants?
a)
the chloroplasts
b)
the root tips
c)
the stoma
d)
the cuticle
6.
Which of the following was NOT an advantage that early plants had?
a)
plenty of sunshine
b)
lots of prey
c)
carbon dioxide in the air
d)
moist land
7.
Light, touch, and gravity are all examples of different environmental _______.
a)
auxins
b)
cytokinins
c)
photoperiodism
d)
stimuli
8.
Of the following, which is a short-day plant?
a)
spinach
b)
lettuce
c)
poinsettia
d)
roses
9.
Which of the following is NOT a nonvascular seedless plant?
a)
fern
b)
moss
c)
liverwort
d)
hornwort
10.
Which part of the flower is the male reproductive organ?
a)
ovary
b)
pistil
c)
stamen
d)
sepal
11.
What is the most obvious characteristic that distinguishes an angiosperm from a gymnosperm?
a)
flower
b)
woody stem
c)
root
d)
vascular tissue
12.
Plants lean toward light because of plant hormones called ______.
a)
photoperiodism
b)
auxins
c)
ethylene gas
d)
all of the above
13.
How do the life cycles of mosses and gymnosperms differ?
a)
mosses use spores AND seeds, gymnosperms just seeds
b)
mosses produce spores, gymnosperms make seeds in cones
c)
mosses produce pollen, gymnosperms use spores
d)
mosses use mitosis and gymnosperms use meiosis
14.
Monocots have all of the following EXCEPT _____.
a)
narrow leaves with parallel veins
b)
vascular tissue in bundles in rings
c)
flower petals in multiples of 3
d)
one cotyledon
15.
Which of the following is NOT a function of stems?
a)
support branches and leaves
b)
transport water and minerals
c)
produce new cells for growth
d)
reduce evaporation of water
16.
Cellular respiration is the process in which organisms break down food to release _____.
a)
energy
b)
nutrients
c)
sugar
d)
oxygen
17.
Which type of tropism is shown in the image?
a)
phototropism
b)
thigmotropism
c)
gravitropism
d)
environmentaltropism
18.
Which of the following do nonvascular seedless plants have?
a)
roots
b)
rhizoids
c)
stems
d)
leaves
19.
The _____ is a waxy substance secreted by a plant to reduce water loss.
a)
cuticle
b)
cellulose
c)
rhizoid
d)
lignan
20.
Plants that require a lot of sunlight to flower are called _____ plants.
a)
long-day
b)
short-day
c)
day-neutral
d)
periodic
21.
Plants have a cell wall that is made of _____ that gives it support to grow tall.
a)
cuticle
b)
cellulose
c)
rhizoid
d)
lignin
22.
Plants use an outside energy source to make their own food. Therefore, they are _____.
a)
producers
b)
consumers
c)
multicellular
d)
unicellular
23.
As much as 90% of the oxygen in our atmosphere is a result of ______.
a)
photoperiodism
b)
respiration
c)
thigmotropism
d)
photosynthesis
24.
Water enters plants through the _____.
a)
surface of leaves
b)
roots
c)
tips of the stems
d)
stomata
25.
Which of the following completes the photosynthesis reaction below?
6CO2 + 6H2O & light energy= ???
6CO2 + 6H2O & light energy= ???
a)
6CO2 + 6H2O
b)
12 CO2 +4H2O
c)
6C6O2 +H12O
d)
C6H12O6 + 6O2
26.
What must happen to the egg before spores are produced?
a)
egg must first produce the heart-spaped plant
b)
the egg must first produce the sperm
c)
the egg must be fertilized before spores are produced
d)
the fern leaf must produce the egg prior to fertilization
27.
Which of the following is NOT a vascular seedless plant?
a)
club moss
b)
horsetail
c)
liverwort
d)
tree fern
28.
Which of the following is NOT a gymnosperm?
a)
the oldest plant
b)
the tallest plant
c)
the largest organism
d)
the most frequently flowering plant
29.
What cell organelle is necessary for cellular respiration?
a)
mitochondrion
b)
chloroplasts
c)
stomata
d)
cell membrane
30.
The green color of tree leaves is due to green light energy reflected from_____.
a)
auxins
b)
carbon dioxide
c)
chlorophyll
d)
gibberellins
31.
The Venus Flytrap will close its "trap" when touched. What is this response called?
a)
gravitropism
b)
environmentaltropism
c)
phototropism
d)
thigmotropism
32.
Which of the following is NOT a function of leaves?
a)
major site of photosynthesis
b)
support the plant
c)
exchange CO2, O2, and water vapor
d)
capture light energy
33.
The growth response related to the number of hours of daylight and darknesses is called ______.
a)
gravitropism
b)
photoperiodism
c)
phototropism
d)
photosynthesis
34.
What raw materials does a plant need for photosynthesis?
a)
sugar and CO2
b)
water and CO2
c)
water and nitrogen
d)
sugar and water
35.
What are the names of the two categories most seed plants belong to?
a)
haploid and diploid seed plants
b)
angiosperms and pollinating seed plants
c)
mosses and fern seed plants
d)
angiosperms and gymnosperms
36.
______ is produced in cells to ripen fruit.
a)
Auxin
b)
Ethylene
c)
Chlorophyll
d)
Gravity
37.
Photosynthesis is the process in which plants use energy from light to produce _______.
a)
new cells
b)
organelles
c)
food
d)
none of the above
38.
Which of the following is NOT involved in photosynthesis or cellular respiration?
a)
water
b)
CO2
c)
chlorophyll
d)
cytokinins
39.
Which of the following do all seedless plants NOT have?
a)
vascular tissue
b)
flowers
c)
stems
d)
spores
40.
Which of the following statements are false?
a)
All plants grow from seeds.
b)
Mosses are seedless plants.
c)
Ferns use spores for reproduction.
d)
First land plants to live on Earth were seedless.
Reset
