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Biology for IGCSE & O level - Organisation Of The Organism (Section 3)

1
Which structure controls the movement of substances in and out of the cell?
Answer
(B)
Cell membrane
2
In a light microscope, what determines the magnification of the image of a specimen?
Answer
(A)
Image size / Actual size
3
Which organelle is responsible for producing energy in the cell?
Answer
(B)
Mitochondria
4
Which organelle is responsible for photosynthesis?
Answer
(B)
Chloroplast
5
What does the term 'tissue' refer to?
Answer
(B)
A group of similar cells performing the same function
6
Which of the following is a key feature of specialized cells?
Answer
(B)
They perform a specific function or set of functions.
7
Which of the following is the correct order of biological organization?
Answer
(B)
Cell, Tissue, Organ, Organ System
8
What is the role of the cell membrane?
Answer
(C)
Controls what enters and leaves the cell
9
Which organelle is responsible for making proteins?
Answer
(B)
Ribosome
10
What is the main function of the cell wall in plant cells?
Answer
(B)
To provide support and protection
11
Which of the following is found in both plant and animal cells?
Answer
(B)
Cell membrane
12
What is a function of the vacuole?
Answer
(C)
Storage
13
Which of the following is an example of a tissue?
Answer
(B)
Blood
14
Which of the following represents the correct order of organization, from simplest to most complex?
Answer
(A)
Cells -> Tissues -> Organs -> Organ systems
15
Which organelle is responsible for cellular respiration, the process that provides energy to the cell?
Answer
(B)
Mitochondrion
16
Which of the following are key functions of the cell membrane?
Answer
A
D
17
What is the function of the chloroplast?
Answer
(B)
Photosynthesis
18
Which of the following structures are found in both plant and animal cells?
Answer
(B)
Cell membrane and nucleus
19
What is the main function of ribosomes in a cell?
Answer
(B)
Protein synthesis
20
What is the function of the lysosome in the cell?
Answer
(B)
Waste disposal and breakdown of cellular components
21
Which organelle is the site of protein synthesis?
Answer
(B)
Ribosome
22
What is the primary function of the cell membrane?
Answer
(C)
Control of substances entering and leaving the cell
23
Which of the following substances can move in and out of cells?
Answer
A
B
C
D
24
Which of the following is/are correctly matched with its function?
Answer
A
B
D
25
Which part of the cell is responsible for containing the genetic material?
Answer
(C)
Nucleus
26
What is the function of the vacuole in a plant cell?
Answer
(B)
Storing water and other substances
27
Which of the following is NOT an example of an organ system?
Answer
(D)
Muscle
28
Which organelle is involved in the production of ATP (energy)?
Answer
(B)
Mitochondria
29
Which cell type is adapted for absorbing water and minerals from the soil?
Answer
(B)
Root hair cells
30
Which of the following structures is primarily involved in photosynthesis?
Answer
(B)
Chloroplast
31
Which structure is found in plant cells but not in animal cells and helps provide rigidity?
Answer
(C)
Cell wall
32
What is the primary function of the vacuole?
Answer
(B)
Storage and support
33
What are the main components of a plant cell?
Answer
A
B
C
D
34
Which of the following is a feature of a eukaryotic cell?
Answer
(C)
Presence of membrane-bound organelles
35
What is the role of the nucleus?
Answer
(C)
Control center of the cell
36
Which type of cell is specialized for carrying oxygen?
Answer
(C)
Red blood cell
37
Which of the following is the correct sequence for the levels of organisation?
Answer
(B)
Cell -> Tissue -> Organ -> Organ System
38
What is the function of the mitochondria?
Answer
(B)
Cellular respiration
39
Which of the following is NOT found in animal cells?
Answer
(C)
Cell wall
40
Which of the following are found in the cytoplasm?
Answer
B
C
41
Which part of a plant cell provides rigidity and support?
Answer
(B)
Cell wall
42
In which cell type would you expect to find numerous mitochondria?
Answer
(C)
Muscle cell
43
What does the nucleus contain?
Answer
(B)
DNA and chromosomes
44
Which organelle is responsible for energy production in a plant cell?
Answer
(B)
Chloroplast
45
Where in the cell does protein synthesis primarily occur?
Answer
(B)
Ribosomes
46
Which of the following are involved in the transport of substances around the cell?
Answer
A
B
D
47
Select the features that are found in plant cells, but not in animal cells.
Answer
A
B
48
Which of the following is a difference between a plant cell and an animal cell?
Answer
(C)
Plant cells have a cell wall
49
What is the function of the cell wall in plant cells?
Answer
(B)
To provide support and structure.
50
Which structures are found in both animal and plant cells?
Answer
B
C