Science 3 Ch. 11 Study Guide
Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the
statement true.
1) Xylem and phloem function in plants like bones function in your body. _______________
2) Photosynthesis requires light energy, water, and oxygen. _______________
3) Chloroplasts are the location for photosynthesis. _______________
4) Water is a product of cellular respiration. ______________
5) A plant can grow towards or away from a stimulus. When it grows towards the stimulus, it is
called a negative tropism. ______________
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1) _____ cells are tightly packed so that as many cells as possible are exposed to sunlight.
a.
Upper epidermal
c.
Palisade mesophyll
b.
Lower epidermal
d.
Spongy mesophyll
2) Cellular respiration releases _____.
a.
energy c.
carbon dioxide
b.
liquid sugar
d.
oxygen
3) What is the energy produced through cellular respiration called?
a.
ATG c.
DNA
b.
MNA d.
ATP
4) Which of the following do plants NOT do with the energy produced through cellular respiration?
a.
grow c.
reproduce
b.
eat
d.
repair tissues
5) Which of the following is a product of photosynthesis?
a.
carbon dioxide c.
glucose
b.
water d.
light energy
6) Which of the following does NOT carry on photosynthesis?
a.
algae c.
some protists
b.
most plants
d.
animals
7) Decorators like flowers to age very slowly so that they look nice for as long as possible. Which
hormone would decorators appreciate the most?
a.
auxin c.
ethylene
b.
cytokinins
d.
gibberellins
8) When you buy fruit that is not yet ripe, you can put it in a bag with a ripe apple to speed the ripening.
This is possible because apples give off a lot of _____.
a.
auxin c.
ethylene
b.
cytokinins
d.
gibberellins
9) As much as 90 percent of the oxygen in our atmosphere is the result of _____.
a.
photoperiodism c.
thigmotropism
b.
respiration
d.
photosynthesis
10) Plants that require short nights to flower are called _____ plants.
a.
long-day
c.
day-neutral
b.
short-day
d.
periodic
Completion
Complete each statement.
1) The vascular tissue that allows water to move from the roots to the leaves is _______________.
2) Leaves have special holes, called _______________, in them to allow water vapor, oxygen, and carbon
dioxide to pass through.
3) We see leaves as being green because they _______________ green light and _______________ all
other colors of light.
4) Plants need _______________ in order to grow.
5) _______________ is an energy storage molecule in your body and in plants.
6) In the leaf, photosynthesis occurs in _______________ and cellular respiration occurs in
_______________.
7) A positive _______________ is when a plant responds to a stimulus by growing towards the stimulus.
8) Roses are not affected by the amount of light they receive because they are _______________ plants.
9) Chemical substances in plants that act as internal stimuli are called ____________________.
10) A plant's epidermis contains many small openings called ____________________.
Matching
Match the process to the correct reactant, product, organelle or type of organism. Each process is used
more than once.
a.
Photosynthesis b.
Cellular respiration
1.
2.
3.
4.
5.
6.
7.
glucose as a product
glucose as a reactant
light energy as a reactant
occurs in mitochondria
occurs in chloroplasts
carbon dioxide as a reactant
occurs in all organisms
Match each term with the correct description below.
a.
long-day plants
c.
photoperiodism
b.
short-day plants
8.
9.
10.
plants that require short nights to flower
a plant's response to the number of hours of daylight and darkness it receives
plants that require 12 or more hours of darkness to flower
Short Answer
1) What role does chlorophyll play in photosynthesis?
2) What is involved in cellular respiration?
3) How are photosynthesis and cellular respiration related?
4) When growing beans in a garden, the gardener will put up some sort of trellis so that the beans can
grow in an upward direction. Why does this work?
5) Where does cellular respiration occur?
6) Describe the process of photosynthesis.
7) From your own observations, would you say that dandelions are short-day, long-day, or day-neutral
plants? Why?
8) How does a plant take in water?
9) Photosynthesis requires carbon dioxide, water, and light energy to make glucose. Explain why
photosynthesis slows down as fall approaches.
10) You buy green bananas at the grocery store. Your mother puts them in a paper sack for a few days.
Why?