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grade 9 final fall 1

Total questions: 69

Worksheet time: 3hrs 18mins

Name
Class
Date
1.

What type of bond is found BETWEEN water molecules?

a)

hydrogen bonds

b)

ionic bonds

c)

nonpolar covalent bonds

d)

polar covalent bonds

2.

Cohesive force between water molecules and adhesive force between water molecules and other molecules enable this phenomenon __________________ occur.

a)

surface tension

b)

capillary action

c)

float on water

d)

photosynthesis

3.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
4.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
5.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
6.
The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form
a)
less polar
b)
more polar
c)
less dense
d)
more dense
7.
Which statement explains why water molecules stick together?
a)
both sides are negative
b)
one side has a positive charge and the other side has a negative charge
c)
one side has a negative charge adn the other side has a neutral charge
d)
both sides are positive
8.
Large bodies of water help to keep nearby climates from being too hot or too cold  because they...
a)
absorb heat in the spring and slowly release that heat in the fall
b)
absorb heat in the fall and slowly release that heat in the spring
c)
absorb heat in the summer and slowly release that heat in the winter
d)
absorb heat in the winter and slowly release that heat in the summer
9.
What is being produced during photosynthesis?
a)
sugar and oxygen
b)
sugar and carbon dioxide
c)
glucose
d)
gases
10.
What gas is TAKEN IN during photosynthesis?
a)
argon
b)
nitrogen
c)
oxygen
d)
carbon dioxide
11.
What gas is RELEASED during photosynthesis?
a)
carbon dioxide
b)
argon
c)
oxygen
d)
nitrogen
12.

What is transpiration?

a)

Excess water being released from the aerial parts of plants in the form of water vapor

b)

Excess sugar being released from the leave

c)

The way a plant makes its food

d)

When the plant uses sugar for energy

13.

Which of the following indicates the pathway of water through a plant?

a)

root hair cell --> xylem --> Mesophyll --> substomatal space --> stomata

b)

substomatal space -- > stomata --> root hair cell --> xylem --> Mesophyll

c)

xylem --> stomata --> root hair cell --> Mesophyll --> Substomatal space

14.
Cells that control the opening and closing of stomata
a)
Cuticle
b)
Guard cell
c)
Vascular tissue
d)
Stomata
15.

Which is true?

a)

99% of water taken by the plant evaporates through transpiration

b)

9% of water taken by the plant evaporates through transpiration

c)

Evaporation through transpiration accounts only for 1% of all the water the plant takes in

d)

Evaporation through transpiration is minuscule

16.

Stomata opens during night and closes during day

a)

True

b)

False

17.

there are more no of stomata on

a)

Ventral side

b)

Dorsal side

18.

More root hairs will lead to

a)

Less transpiration

b)

More transpiration

c)

Closure of stomata

19.

Which of the following is NOT a product of the light reactions?

a)

Oxygen

b)

NADPH

c)

ATP

d)

Glucose (Sugar)

20.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
21.
What is the main purpose of the light dependent reactions?
a)
To provide the energy for the calvin cycle
b)
To capture energy and make sugar
c)
To reflect green light
d)
To make sugars
22.

What part of the plant cell performs photosynthesis?

a)

The Mitochondrion

b)

The Nucleus

c)

The Chloroplast

d)

The Cell Wall

23.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH
24.
What gas does the process of photosynthesis release into the atmosphere?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
25.
Thylakoids are arranged in stacks called ____.
a)
Lamellae
b)
Stroma
c)
Granum
d)
Glucose
26.
The gel-like material that surrounds the grana is called ____
a)
lamellae
b)
granum
c)
thylakoid
d)
stroma
27.

Autotrophs (producers) can perform photosynthesis because they have -

a)

Mitochondria

b)

Ribosomes

c)

A Nucleus

d)

Chloroplasts

28.
The principal chemical compound that living things use to store energy is
a)
DNA
b)
ATP
c)
H2O
d)
CO2
29.
What supplies the electron that is lost in PS II?
a)
oxygen
b)
water
c)
glucose
d)
rubisco
30.
ATP gets formed in the light dependent reaction by which process?
a)
Chemiosmosis
b)
Photosmosis
c)
Diffusion
d)
Active Transport
31.
What supplies the electrons that are lost in photosystem I (PSI)?
a)
the electrons from PS II
b)
water
c)
glucose
d)
oxygen
32.
What is the purpose of splitting water in PS2 of the light dependent reaction?
a)
Provides e- for PS2 and H+ for the thylakoid space
b)
To produce Oxygen for animals
c)
There is no purpose
33.
It is important to create a concentration of H+  in the thylakoid space so that the H+ can diffuse through_________ to create ______.
a)
ATP synthase, ATP
b)
NADH, NADPH
c)
proton pump, protons
34.
Protons move into the thylakoid due to the
a)
concentration gradient in the stroma
b)
  Brownian motion of the protons.
c)
  peer pressure of the cool electrons in the stroma.  
d)
movement of electrons through the electron transport chain
35.

The role of water molecule in light dependent reaction is to …

a)

Hydrolyse NADP+ at the end of the electron transport chain.

b)

Involve directly in the production of ATP.

c)

Replace the excited electron of reaction centre molecule in photosystem II.

d)

Involve directly in Calvin cycle.

36.

Main products of the Calvin Cycle

a)

Oxygen, NADP+, ADP

b)

Glucose, CO2, ADP

c)

ADP, NADP+, Glucose

d)

ATP, NADPH, Oxygen

37.

5 carbon sugar that combines with CO2 in the Calvin Cycle

a)

3-PGA

b)

G3P

c)

RuBP

d)

Glucose

38.

Which of the following is true of the Calvin Cycle?

a)

carbon dioxide and energy (ATP and NADPH) are used to make organic compounds

b)

energy is absorbed from sunlight and converted to chemical energy stored in ATP and NADPH

c)

Occurs in the thylakoid

d)

Occurs in the cytoplasm

39.

Increasing carbon dioxide can increase photosynthesis, but only to a maximum rate because

a)

There are not enough RuBP molecules

b)

Oxygen cannot leave fast enough

c)

Large amounts of CO2 cannot fit in the chloroplast

d)

Calvin cycle can only go as fast as the light reactions

40.
After 12 G3P molecules are created, 10 are used to regenerate _________, while the other 2 are used to create __________.
a)
RuBP, C6H12O6
b)
Glucose, CO2
c)
ATP, Glucose
d)
Glucose, RUBP
41.
The CO2 used in the Calvin Cycle originates from ___________.
a)
The light phase
b)
The breakdown of the remaining G3P's
c)
Diffusion through the stoma
d)
Lumen of the Thylakoid
42.
True or False: The Calvin Cycle returns ADP and NADP to the light dependent phase.
a)
True
b)
False
43.
The enzyme responsible for Carbon Fixation in C3 Photosynthesis is
a)
RuBisCo
b)
PEP Carboxylase
c)
Hexokinase
d)
Pyruvate DeHydrogenase
44.
What happens to the remaining G3P molecules in the last step of the dark reactions?
a)
They are used to make glucose.
b)
They are reshuffled to make CO2 by adding ATP.
c)
They exit the cycle.
d)
They are reshuffled to make RuBP by adding ATP. 
45.

What does the Calvin Cycle begins with?

a)

Glucose

b)

The input of CO2

c)

Water

d)

ATP synthase

46.

Calvin Cycle can occur without ATP

a)

True

b)

False

47.

Energy for the Calvin cycle is supplied by which of the following from the light reactions?

a)

Carbon dioxide and water

b)

ATP and water

c)

ATP and NADPH

d)

Carbon dioxide and ATP

48.

Carbon dioxide fixation occurs when CO2 combines with which among the choices below?

a)

ATP

b)

G3P

c)

NADPH

d)

RuBP

49.

What is the function of the ATP and NADPH from the light reactions?

a)

Split water

b)

Cause RuBP carboxylase to fix CO2

c)

Cause electrons to move along their pathways

d)

Convert 3 PGA to G3P

50.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.
51.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
52.
What does metabolism mean?
a)
Converting energy into food
b)
Making light reactions happen
c)
Converting food into energy
53.
Fermentation enables glycolysis to continue under 
a)
anaerobic conditions
b)
aerobic conditions
c)
photosynthetic conditions
d)
hydrophobic conditions
54.

Which organism go through cellular respiration?

a)

animals

b)

plants

c)

both animals and plants

d)

none

55.

Cellular Respiration occurs in what cell organelle?

a)

chloroplast

b)

cytoplasm

c)

mitochondria

d)

animal

56.

Which of the following structure is where cellular respiration (Kreb's Cycle and Electron Transport Chain) occurs in the cell?

a)

nucleus

b)

cytoplasm

c)

mitochondria

d)

vacuoles

57.
Which type of respiration is most efficient?
a)
Aerobic
b)
Anaerobic
58.
If ADP is phosphorylated then what is this indicating in the reaction? 
a)
ADP is forming into ATP
b)
ADP is becoming AMP
c)
ADP is being used to power other reactions
d)
ADP is being created by the reaction
59.
What is the main job of the electron carriers in cellular respiration? 
a)
Transport electrons and hydrogen atoms to the electron transport chain 
b)
Capture energy throughout the process of cellular respiration
c)
Provide the reactants for the process of cellular respiration
d)
Pump positive hydrogen ions and shuttle electrons across the electron transport chain and contribute to chemiosmosis
60.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
61.
NADH is a ______ form of NAD+.
a)
Reduced
b)
Oxidized
c)
Catabolized
d)
Hydrolized
62.
How many ATP are gained through glycolysis?
a)
0
b)
2
c)
4
d)
30-38
63.
During chemiosmosis
a)
H+ ions serve as the final electron acceptor
b)
a concentration gradient is generated when H+ ions are passively transported from the matrix to the intermembrane space of the mitochondrion
c)
energy is released as H+ ions move freely across the mitochondrial membrane
d)
ATP is synthesized when H+ ions move through a channel in ATP synthase
64.
What are the stages of cellular respiration in order?
a)
glycolysis, oxidative phosphorylation, the citric acid cycle
b)
oxidative phosphorylation, glycolysis, the citric acid cycle
c)
glycolysis, the citric acid cycle, oxidative phosphorylation
d)
the citric acid cycle, oxidative phosphorylation, glycolysis
65.
Use the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?
a)
A and B
b)
A and C
c)
B and C
d)
C and D
66.

What process is found in both aerobic and anaerobic metabolism?

a)

the Kreb's cycle

b)

oxidative phosphorylation

c)

the citric acid cycle

d)

glycolysis

67.

It is possible for both prokaryotes and eukaryotes to perform glycolysis because it occurs in the _____________

a)

mitochondrial matrix

b)

inner membrane

c)

cytoplasm

d)

cell membrane

68.

In the absence of oxygen, ____ follows glycolysis.

a)

the link reaction

b)

the citric acid cycle

c)

fermentation

d)

the calvin cycle

69.

Surface tension of water is the cohesive force between water molecules and other molecules.

a)

True

b)

False

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