Biology | IB Style Questions
Metabolism HL
1.What is the order of the ATP produced at each stage of cell respiration?
a.
b.
c.
d.
2.
Glycolysis > Krebs Cycle > Electron transport chain and chemiosmosis
Electron transport chain and chemiosmosis > Krebs Cycle > Glycolysis
Electron transport chain and chemiosmosis > Glycolysis > Krebs cycle
Krebs cycle >Electron transport chain and chemiosmosis> Glycolysis
I. Involves Calvin cycle
II. Happens in thylakoids
III. Includes two electron transport chains and Photosystems I and II
Which of the above statements belongs to light-dependent reaction of Photosynthesis?
a.
b.
c.
d.
3.
I and II
Only II
I, II and III
II and III
I. Inhibitor resembles substrate
II. Inhibitor binds to active site
Which of the following is true for competitive inhibition of enzymes?
a.
b.
c.
d.
4.
Where is the ATP synthase required for cellular respiration located in mitochondria?
a.
b.
c.
d.
5.
I-True, II-True
I-True, II-False
I-False, II-False
I-False, II-True
Matrix
Outer mitochondrial membrane
Cristae
Inner mitochondrial membrane
er the breakdown of one glucose molecule, what are the resulting products from the
P
Krebs Cycle only?
a.
b.
c.
d.
2 ATP molecules, 6 molecules of NADH, 2 molecules of FADH2, 6 molecules of CO2
2 ATP molecules, 6 molecules of NADH, 2 molecules of FADH2, 4 molecules of CO2
2 ATP molecules, 7 molecules of NADH, 2 molecules of FADH2, 6 molecules of CO2
4 ATP molecules, 6 molecules of NADH, 2 molecules of FADH2, 4 molecules of CO2
Worksheet 2102
© 2021 Ascientia Ltd.
Biology | IB Style Questions
Metabolism HL
6.
Which of the following is not true for glycolysis?
a.
b.
c.
d.
Total of four ATPs are produced.
For the initiation of the process two ATPs are used.
Level of ATP in the cell provides feedback to control the speed of this process.
This pathway occurs in the matrix of the mitochondria.
7.
1. Are exergonic
2. Are endergonic
3. Are endergonic
4. Are degenerative
5. Is defined as the breakdown of complex molecules
6. Is defined as build of complex molecules
Which of the above are a feature of catabolic reactions?
a.
b.
c.
d.
2, 3, 5
1, 3, 5
1, 4, 5
2, 3, 6
8.
Compare the similarities and differences for respiration and photosynthesis chemiosmosis.
9.
Explain different types of enzyme inhibition and give examples.
10.
Explain the chloroplast’s structure and the effect the different components of chloroplast
structure has on chloroplast’s functions.
Worksheet 2102
© 2021 Ascientia Ltd.