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Course: Cambridge AS & A Level Biology 9700 ...
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Cambridge AS & A Level Biology 9700 — Revision Notes

1 · Cell Structure

0/26

2 · Biological Molecules

0/51

3 · Enzymes

0/29

4 · Cell Membranes and Transport

0/41

5 · The Mitotic Cell Cycle

0/21

6 · Nucleic Acids and Protein Synthesis

0/22

7 · Transport in Plants

0/28

8 · Transport in Mammals

0/39

9 · Gas Exchange

0/13

10-11 · Infectious Disease and Immunity

0/43

12 · Energy and Respiration

0/37

13 · Photosynthesis

0/23

14-15 · Homeostasis and Control

0/57

16 · Inherited Change

0/33

17-18 · Selection, Evolution, Classification and Conservation

0/70

19 · Genetic Technology

0/44
Quiz

12.2.1 Structure and Function of Mitochondria – Exam questions

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  • Questions count: 13
  • Passing grade: B+
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1.
Mitochondria and chloroplasts both have double membranes and their own DNA. True or false?
False
False, only chloroplasts
True
True only in animals
2.
Which theory is based on the notion that mitochondria and chloroplasts evolved from prokaryotic cells?
Which theory is based on the notion that mitochondria and chloroplasts evolved from prokaryotic cells?
Fluid mosaic model
Endosymbiotic model
Taxonomic model
Respiration feedback model
3.
Mitochondria have 70S ribosomes like bacteria. True or false?
False
False, they have none
True
True only in plants
4.
The table lists features of mitochondria and bacteria. Which theory do they support?
Spontaneous generation
Cell theory's first statement only
Theory of plate tectonics
Endosymbiotic theory
5.
Which statement correctly describes mitochondria?
the boundary controlling movement into and out of a cell
the material where many cell reactions occur
the structure that controls cell activities
structures where aerobic respiration releases energy
6.
The endosymbiotic theory is supported by the observation that mitochondria
have circular DNA and divide by a process like binary fission
have a cell wall of cellulose
lack ribosomes
are made by the Golgi apparatus
7.
Which of these takes place in the mitochondria?
SAT Biology - Question 089
A
B
C
D
E
8.
Which observation supports the endosymbiotic origin of mitochondria?
They are found in all cells
They contain circular DNA and 70S ribosomes
They are surrounded by a cell wall
They are made by the Golgi apparatus
9.
IGCSE Biology 12.3 Aerobic respiration, SEED GERMINATION - Question 5
IGCSE Biology 12.3 Aerobic respiration, SEED GERMINATION - Question 5
A
B
C
D
10.
Which term is described as: structures where aerobic respiration releases energy?
cell membrane
cytoplasm
nucleus
mitochondria
11.
Which key term matches this description: "Organelles where aerobic respiration happens."
Which key term matches this description: "Organelles where aerobic respiration happens."
Mitochondria
Word equation
Product
Glucose
12.
This organelle is the host for the Krebs cycle and oxidative phosphorylation of respiration.
This organelle is the host for the Krebs cycle and oxidative phosphorylation of respiration.
Cell wall
Mitochondrion
Ribosome
Lysosome
Golgi apparatus
13.
Which statement best describes Mitochondrion?
A double-membraned organelle with folded cristae, the site of aerobic respiration and ATP production.
The organelle containing chromosomes (DNA with histones), surrounded by a double membrane with pores.
A small circular loop of DNA in prokaryotes, often carrying genes such as antibiotic resistance.
Stacks of flattened membrane sacs that modify, package and sort proteins and lipids into vesicles.
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Part of 12 · Energy and Respiration — see every lesson and quiz in this unit.
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