Download Name Date Period 1. What are the end products of aerobic cell

Name
1.
Date
Period
What are the end products of aerobic cell respiration?
A.
Carbon dioxide and ethanol
B.
Lactate and ATP
C.
Water, ATP and oxygen
D.
Water, carbon dioxide and ATP
(Total 1 mark)
2.
Which row in the table describes the first stage of cellular respiration?
Substrate
Location
Product
Product
A.
pyruvate
mitochondria
oxygen
water
B.
pyruvate
cytoplasm
carbon dioxide
ATP
C.
glucose
mitochondria
pyruvate
water
D.
glucose
cytoplasm
pyruvate
ATP
(Total 1 mark)
3.
How many ATP molecules (net yield) are produced per molecule of glucose as a direct result of
glycolysis?
A.
2
B.
4
C.
10
D.
38
(Total 1 mark)
4.
Aerobic respiration involves conversion of glucose into pyruvate and conversion of pyruvate
into carbon dioxide and water. Where do these processes occur in a eukaryotic cell?
Where glucose is broken down
into pyruvate
Where pyruvate is broken down
into carbon dioxide and water
A.
Cytoplasm
Cytoplasm
B.
Cytoplasm
Mitochondrion
C.
Mitochondrion
Cytoplasm
D.
Mitochondrion
Mitochondrion
(Total 1 mark)
1
5.
What is the “link reaction” in eukaryotic respiration?
A.
Pyruvate joining with coenzyme A to produce CO2 and NADH + H+
B.
Oxidation of NADH to yield electrons and protons
C.
Acetyl coenzyme A combining or joining with a C4 compound to give C6 + coenzyme A
D.
Passage of acetyl coenzyme A through the mitochondrial membrane
(Total 1 mark)
6.
Which is not a product of the Krebs cycle?
A.
CO2
B.
NADH + H+
C.
Pyruvate
D.
ATP
(Total 1 mark)
7.
During which process are oxygen molecules directly involved during cellular respiration?
A.
Glycolysis
B.
Krebs cycle
C.
Oxidation of pyruvate to acetyl CoA
D.
Accepting electrons at the end of the electron transport chain
(Total 1 mark)
8.
Which of the following produce ATP in mitochondria?
A.
The movement of protons from the matrix to the intermembrane space
B.
The movement of protons from the intermembrane space to the cytoplasm
C.
The splitting of water molecules and the movement of electrons to oxygen
D.
The movement of protons from the intermembrane space to the matrix
(1)
9.
What is the correct sequence of chemicals produced in the anaerobic respiration pathway?
A.
Lactate → pyruvate → ethanol
B.
Ethanol → pyruvate → glucose
C.
Glucose → lactate → pyruvate
D.
Glucose → pyruvate → lactate
(Total 1 mark)
2
10.
Humans can respire aerobically and anaerobically. Which are products of both aerobic cell
respiration and anaerobic cell respiration in humans?
A.
Pyruvate and ATP
B.
Pyruvate and lactate
C.
ATP and carbon dioxide
D.
Lactate and carbon dioxide
(Total 1 mark)
11.
What is the net production of ATP, per molecule of glucose during the fermentation of glucose
to lactate?
A.
36 molecules
B.
4 molecules
C.
2 molecules
D.
None
(Total 1 mark)
12.
Which combination of changes describes biological oxidation?
Electrons
Oxygen
Hydrogen
A.
loss
gain
loss
B.
loss
loss
gain
C.
gain
loss
gain
D.
gain
gain
loss
(Total 1 mark)
13.
Which two colours of light does chlorophyll absorb most?
A.
Red and yellow
B.
Green and blue
C.
Red and green
D.
Red and blue
(Total 1 mark)
3
14.
In the diagram of a chloroplast below where will the Calvin cycle take place?
I
III
II
A.
I
B.
II
C.
III
D.
IV
IV
(Total 1 mark)
15.
Why is the action spectrum for photosynthesis similar to the absorption spectra of
photosynthetic pigments?
A.
Photosynthetic pigments have the same optimum temperature as the enzymes used in
photosynthesis.
B.
Plants absorb the same photosynthetic pigments for use in photosynthesis.
C.
Only wavelengths of light absorbed by pigments can be used in photosynthesis.
D.
The amount of energy absorbed by photosynthetic pigments is equal to the activation
energy for photosynthesis.
(Total 1 mark)
16.
What is the advantage of having a small volume inside the thylakoids (lumen) of the
chloroplast?
A.
A high hydrogen ion concentration is rapidly developed.
B.
A high electron concentration is rapidly developed.
C.
Photosynthetic pigments are highly concentrated.
D.
Enzymes of the Calvin cycle are highly concentrated.
(Total 1 mark)
4
17.
What chemical substances are used during the manufacture of organic molecules in
photosynthesis?
I.
NADPH
II.
ATP
III.
Carbon dioxide
A.
I and III only
B.
I and II only
C.
II and III only
D.
I, II and III
(Total 1 mark)
18.
The diagram below shows the light independent stage of photosynthesis (the Calvin Cycle).
Glucose
I
Ribulose
bisphosphate
(RuBP)
CO2
II
Triose Phosphate
(TP)
Glycerate 3–Phosphate
(GP)
III
Where is energy, from ATP generated during the light dependent stage, used in this cycle?
A.
I and II only
B.
I and III only
C.
II and III only
D.
I, II and III
(Total 1 mark)
19.
What would be the effect of increasing temperature on the rate of photosynthesis in a green
plant?
A.
It increases constantly.
B.
It increases up to a point and then remains constant.
C.
It increases up to a point and then decreases.
D.
It remains constant.
5
20.
The diagram below summarizes the light-dependent reactions in photosynthesis. What is
occurring at X?
Electrons
X
Electrons
Light
Photosystem I
Light
Photosystem II
A.
ADP + phosphate  ATP
B.
NADP+NADPH + H+
C.
H2O  O2– + 2H+
D.
NADPH + H+  NADP+
(Total 1 mark)
Short Answer/Essay
21.
Anaerobic respiration occurs in the absence of oxygen while aerobic respiration requires
oxygen.
(a)
State one final product of anaerobic respiration.
(1)
(b)
The structure of a mitochondrion is shown in the electron micrograph below.
Name the parts labelled A, B and C and state the function of each.
(3)
(Total 4 marks)
6
22.
(a)
Photosynthesis consists of two sets of reactions. State the names of these two sets.
(1)
(b)
Outline how one specific limiting factor affects the rate of photosynthesis.
(2)
(c)
Explain the relationship between the absorption spectrum and the action spectrum of
photosynthetic pigments.
(3)
(Total 6 marks)
23.
Draw and label the structure of a chloroplast as seen in electron micrographs. (3)
24.
Explain the similarities and differences in anaerobic and aerobic cellular respiration.
(Total 8 marks)
25.
Explain the process of aerobic respiration including oxidative phosphorylation.
(Total 8 marks)
26.
Explain the reactions involving the use of light energy that occur in the thylakoids of the
chloroplast. (Total 8 marks)
27.
Explain how the light-independent reactions of photosynthesis rely on light-dependent
reactions. (Total 8 marks)
7