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Plants Unit Review

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.
Which one is not part of a seed?
a)
seed coat
b)
stored food
c)
flowers
d)
embryo
2.
What does a seed not need to germinate?
a)
warmth
b)
light
c)
air
d)
moisture
3.
Which equation correctly represents the process of photosynthesis?
a)
carbon dioxide + oxygen --> sugar + water
b)
sugar + oxygen --> water + carbon dioxide
c)
sugar + carbon dioxide --> water + oxygen
d)
carbon dioxide + water --> sugar + oxygen
4.
What powers the process of photosynthesis?
a)
light
b)
heat
c)
carbon dioxide
d)
water
5.
Which organelle of the plant cell captures the sun's energy to power the process the photosynthesis?
a)
chlorophyll
b)
cell wall
c)
vacuole
d)
chloroplast
6.
What is the name of the green pigment found in the chloroplasts of plant cells?  This pigment absorbs sunlight to power photosynthesis.
a)
accessory pigment
b)
chlorophyll
c)
cytoplasm
d)
xanthophyll
7.
What happens to unused sugar?
a)
Released into the air
b)
Nothing
c)
Stored in the flower
d)
Converted into starch and stored in a food storage organ
8.
Which one is not an example of a food storage organ?
a)
flower
b)
tuber
c)
bulb
d)
root
9.
Which plant organ stores food?
a)
root and leaf
b)
root only
c)
stem
d)
root, stem, and leaf
10.
Which plant organ controls reproduction (the creation of new seeds)?
a)
stem
b)
leaf
c)
flower
d)
root
11.
Which plant organ anchors the plant in the ground?
a)
root
b)
stem
c)
leaf
d)
flower
12.
Which plant organ exchanges gases through holes called stomata?
a)
flower
b)
stem
c)
leaf
d)
root
13.
Which plant organ supports the plant?
a)
flower
b)
stem
c)
leaf
d)
root
14.
Which plant organ captures sunlight to carry out photosynthesis?
a)
root
b)
stem
c)
leaf
d)
leaf and green stems
15.
Which plant organ controls the amount of water that evaporates out of the plant?
a)
stem
b)
leaf
c)
root
d)
flower
16.
When water evaporates out of a plant's leaves, what is the name of the process?
a)
transpiration
b)
photosynthesis
c)
fertilization
d)
germination
17.
Which plant organ absorbs water and nutrients from the soil?
a)
flower
b)
leaf
c)
stem
d)
root
18.
Which plant organ holds up the leaves to expose them to the sun so the leaves can carry out photosynthesis?
a)
flower
b)
stem
c)
leaf
d)
root
19.
Which plant organ transports water and nutrients from the roots to the leaves?
a)
flower
b)
root
c)
stem
d)
leaf
20.
What is the male reproductive organ of the flowering plant called?
a)
pistil
b)
stigma
c)
stamen
d)
anther
21.
What is the female reproductive organ of the flowering plant called?
a)
pistil
b)
stamen
c)
ovary
d)
filament
22.
What two parts make up the stamen?
a)
the anther and ovary
b)
the stigma and filament
c)
the anther and filament
d)
the style and stigma
23.
What three parts make up the pistil?
a)
stigma, filament, ovary
b)
ovary, stamen, style
c)
stigma, filament, anther
d)
stigma, style, ovary
24.
What part of the stamen produces the pollen?
a)
filament
b)
stigma
c)
ovary
d)
anther
25.
What part of the stamen holds up the anther?
a)
style
b)
filament
c)
ovary
d)
stigma
26.
What part of the pistil is sticky to catch the pollen?
a)
stigma
b)
ovary
c)
style
d)
anther
27.
What part of the pistil connects the stigma to the ovary?  It also serves as a passageway for the pollen tube?
a)
filament
b)
anther
c)
ovule
d)
style
28.
Which part of the pistil contains the ovules and ripens into a fruit to protect the seeds?
a)
stigma
b)
style
c)
ovary
d)
pollen tube
29.
Which represents the correct sequence of steps for the life cycle of the flowering plant?
a)
1. fertilization
2. pollination
3.  development of fruit with seeds
4. growth and development of flower
5. germination
b)
1. germination
2. growth and development of flower
3. pollination
4. fertilization
5. development of fruit with seeds
c)
1. germination
2. pollination
3. fertilization
4. growth and development of flower
5. development of fruit with seeds
d)
1. growth and development of flower
2. germination
3. pollination
4. fertilization
5. development of fruit with seeds
30.
What part of the flower attracts pollinators?  They are colorful and usually smell nice.
a)
sepals
b)
pistils
c)
chloroplasts
d)
petals
31.
The early growth stage of the embryo in a seed.
a)
germination
b)
pollination
c)
fertilization
d)
photosynthesis
32.
The transfer of pollen from stamen to pistil
a)
germination
b)
pollination
c)
fertilization
d)
transpiration
33.
The joining of the egg and sperm cell.
a)
photosynthesis
b)
germination
c)
pollination
d)
fertilization
34.
The ripened ovary and other structures that enclose one or more seeds of a flowering plant.
a)
ovule
b)
fruit
c)
embryo
d)
sepal
35.
Leaflike structure that encloses the bud of a flower.
a)
sepal
b)
petal
c)
seed coat
d)
embryo
36.
What will happen if the flowers of a fruit tree are not pollinated?
a)
Fruit with seeds will develop.
b)
Fruit will develop but will not contain seeds.
c)
Fruit will not develop.
d)
The trees will die.
37.
The baby plant inside of a seed that has the beginnings of roots, stems, and leaves is known as what?
a)
cotyledon
b)
ovule
c)
sprout
d)
embryo
38.
Since the embryo inside the seed cannot photosynthesize, where does it get its energy to begin to grow?
a)
from the stored food inside the seed
b)
from water
c)
from the soil
d)
from sunlight
39.
There are small compartments inside the ovary.  These compartments contain egg cells.  These compartments turn into the stored food and seed coat when the egg cell gets fertilized.  What are these compartments called?
a)
style
b)
pollen tube
c)
vacuoles
d)
ovule
40.
When an egg cell gets fertilized by a sperm cell, it becomes a zygote.  The zygote develops into what part of the seed?
a)
seed coat
b)
stored food
c)
embryo
d)
cotyledon