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Plants And Photosynthesis
Test Description: Use your notes and your knowledge of plants and photosynthesis to answer the following questions.
Instructions: Answer all questions to get your test result.
1) The plant's three major organs are:
A
roots, stems, bark
B
roots, flowers, leaves
C
stems, flowers, leaves
D
roots, stems, leaves
2) Plant roots are mainly used to:
A
photosynthesize
B
hold the plant upright, transport water and protect the plant
C
support the plant, absorb water and store food
D
.
3) The plant stem is mainly used to:
A
support the plant, absorb water and store food
B
photosynthesize
C
.
D
hold the plant upright, transport water and protect the plant
4) The plant's leaves are mainly used to:
A
hold the plant upright, transport water and protect the plant
B
photosynthesize
C
support the plant, absorb water and store food
5) What is one similarity between autotraphs and heterotrophs?
A
Both make their own food
B
Both need energy
C
Both must eat other organisms to get energy
6) What is one difference between autotrophs and heterotrophs?
A
Heterotrophs eat other organisms, while autotrophs make their own food.
B
Autotrophs eat other organisms, while heterotrophs make their own food.
C
Autotrophs and heterotrophs make their own food.
D
Autotrophs and heterotrophs eat other organisms.
7) The molecule that is most commonly used for chemical energy in the plant is:
A
ATP
B
ADP
C
ABP
D
APP
8) Which of the following choices has the plant's energy molecules in order from HIGHEST to LOWEST?
A
Glucose, ADP, ATP
B
ATP, ADP, Glucose
C
Glucose, ATP, ADP
D
ATP, Glucose, ADP
9) Energy is the ability to do:
A
things
B
.
C
stuff
D
WORK!!!
10) Which of the following CORRECTLY shows the photosynthesis equation (in words)?
A
Glucose + Oxygen --sunlight-- Water + Carbon dioxide
B
Water + Oxygen --sunlight-- Glucose + Carbon dioxide
C
Oxygen + Carbon dioxide --sunlight-- Glucose + Water
D
Water + Carbon dioxide --sunlight-- Glucose + Oxygen
11) Which of the following CORRECTLY shows the photosynthesis equation (in symbols)?
A
O2 + CO2 --sunlight-- C6H12O6 + H2O
B
H2O + C6H12O6 --sunlight-- CO2 + O2
C
H2O + CO2 --sunlight-- C6H12O6 + O2
D
H2O + O2 --sunlight-- C6H12O6 + CO2
12) Plants use light-absorbing molecules called _____________ to ______________ the Sun's light.
A
pigments, absorb
B
pimentos, absorb
C
pimentos, reflect
D
pigments, reflect
13) In most plants, photosynthesis happens mainly in the:
A
roots
B
leaves
C
flowers
D
stems
14) The REACTANTS (what comes in) of photosynthesis are:
A
water and glucose
B
water and carbon dioxide
C
water and oxygen
D
oxygen and glucose
15) The PRODUCTS (what comes out) of photosynthesis are:
A
water and glucose
B
water and carbon dioxide
C
oxygen and glucose
D
water and oxygen
*select an answer for all questions
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