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Biology & Geology (STEM)

Chapter 1 - Support and Movement in Living Organisms

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Chapter 2 - Hormonal Coordination in Living Organisms

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Chapter 3 - Reproduction in Living Organisms

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Chapter 4 - Immunity in Living Organisms

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Chapter 5 - Molecular Biology - DNA Structure and Function

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Chapter 6 - Molecular Biology - RNA, Protein Synthesis and Genetic Engineering

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Chapter 7 - Geology, Earth Sciences and Ecology

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Quiz

Lesson 1: Support in Plants and the Human Skeletal System — Picture questions (exam style)

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  • Questions count: 46
  • Passing grade: 60%
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1.
The figure shows the human vertebral column (33 vertebrae) divided into coloured regions. Which option is correct?
The figure shows the human vertebral column (33 vertebrae) divided into coloured regions. Which option is correct?
region X: lumbar, 5 vertebrae, pairs of false ribs = 3
region X: thoracic, 12 vertebrae, pairs of false ribs = 3
region X: lumbar, 5 vertebrae, pairs of false ribs = 5
region X: sacral (fused), 5 vertebrae, pairs of false ribs = 2
2.
Three plant cells with sap concentration 0.5 M were placed in 0.05, 0.1 and 0.6 M solutions respectively (figure). Which option is correct?
Three plant cells with sap concentration 0.5 M were placed in 0.05, 0.1 and 0.6 M solutions respectively (figure). Which option is correct?
cell 1: plasmolysed — the plant wilts, water leaves the cell
cell 1: turgid — supports the plant, water enters the cell
cell 1: vacuole unchanged, water enters the cell
cell 1: vacuole unchanged, water leaves the cell
3.
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.3 µm, I band after contraction = 0.5 µm, A band = 1.2 µm
H zone after contraction = 0.3 µm, I band after contraction = 1.1 µm, A band = 1.2 µm
H zone after contraction = 0.3 µm, I band after contraction = 0.8 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.9 µm, I band after contraction = 0.8 µm, A band = 1.5 µm (unchanged)
4.
The figure shows the human vertebral column (33 vertebrae) divided into coloured regions. Which option is correct?
The figure shows the human vertebral column (33 vertebrae) divided into coloured regions. Which option is correct?
region X: sacral (fused), 5 vertebrae, pairs of false ribs = 3
region X: thoracic, 12 vertebrae, pairs of false ribs = 3
region X: lumbar, 5 vertebrae, pairs of false ribs = 12
region X: sacral (fused), 5 vertebrae, pairs of false ribs = 7
5.
Three plant cells with sap concentration 0.3 M were placed in 0.2, 0.8 and 1.0 M solutions respectively (figure). Which option is correct?
Three plant cells with sap concentration 0.3 M were placed in 0.2, 0.8 and 1.0 M solutions respectively (figure). Which option is correct?
cell 3: turgid — supports the plant, water leaves the cell
cell 3: turgid — supports the plant, no water movement
cell 3: plasmolysed — the plant wilts, water leaves the cell
cell 3: plasmolysed — the plant wilts, water enters the cell
6.
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.4 µm, I band after contraction = 1.3 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 1.3 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 1.7 µm, A band = 1.1 µm
H zone after contraction = 1.2 µm, I band after contraction = 0.9 µm, A band = 1.1 µm
7.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.1 µm, I band after contraction = 1 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.5 µm, I band after contraction = 0.6 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 1 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 0.6 µm, A band = 1.6 µm (unchanged)
8.
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.1 µm, I band after contraction = 2.6 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 1.5 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 1.2 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
9.
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.9 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
H zone after contraction = 0.3 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 0.4 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 0.4 µm, A band = 1.2 µm
10.
Three plant cells with sap concentration 0.4 M were placed in 0.2, 0.6 and 0.8 M solutions respectively (figure). Which option is correct?
Three plant cells with sap concentration 0.4 M were placed in 0.2, 0.6 and 0.8 M solutions respectively (figure). Which option is correct?
cell 2: plasmolysed — the plant wilts, water leaves the cell
cell 2: turgid — supports the plant, water leaves the cell
cell 2: plasmolysed — the plant wilts, no water movement
cell 2: turgid — supports the plant, no water movement
11.
The figure shows the human vertebral column (33 vertebrae) divided into coloured regions. Which option is correct?
The figure shows the human vertebral column (33 vertebrae) divided into coloured regions. Which option is correct?
region X: cervical, 7 vertebrae, pairs of false ribs = 3
region X: cervical, 9 vertebrae, pairs of false ribs = 12
region X: lumbar, 5 vertebrae, pairs of false ribs = 7
region X: lumbar, 5 vertebrae, pairs of false ribs = 3
12.
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.3 µm, I band after contraction = 1 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 1 µm, A band = 1.2 µm
H zone after contraction = 0.9 µm, I band after contraction = 1 µm, A band = 1.2 µm
H zone after contraction = 0.9 µm, I band after contraction = 1.3 µm, A band = 1.2 µm
13.
Three plant cells with sap concentration 0.4 M were placed in 0.05, 0.1 and 0.8 M solutions respectively (figure). Which option is correct?
Three plant cells with sap concentration 0.4 M were placed in 0.05, 0.1 and 0.8 M solutions respectively (figure). Which option is correct?
cell 2: turgid — supports the plant, water leaves the cell
cell 2: turgid — supports the plant, water enters the cell
cell 2: plasmolysed — the plant wilts, water leaves the cell
cell 2: vacuole unchanged, no water movement
14.
The figure shows a sarcomere of 3.0 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 1.2 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 2.4 µm, A band = 1.4 µm
H zone after contraction = 0.8 µm, I band after contraction = 2.4 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1.2 µm, A band = 1.6 µm (unchanged)
15.
The figure shows a sarcomere of 3.0 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.3 µm, I band after contraction = 0.6 µm, A band = 1.2 µm
H zone after contraction = 0.5 µm, I band after contraction = 2.5 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 1 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.9 µm, I band after contraction = 1 µm, A band = 1.2 µm
16.
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 0.5 µm, A band = 1.3 µm
H zone after contraction = 0.35 µm, I band after contraction = 0.2 µm, A band = 1.3 µm
H zone after contraction = 0.5 µm, I band after contraction = 0.2 µm, A band = 1.3 µm
H zone after contraction = 0.2 µm, I band after contraction = 0.5 µm, A band = 1.6 µm (unchanged)
17.
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.8 µm, I band after contraction = 2.4 µm, A band = 1.3 µm
H zone after contraction = 0.6 µm, I band after contraction = 1.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 1.3 µm, A band = 1.3 µm
H zone after contraction = 0.7 µm, I band after contraction = 1.3 µm, A band = 1.5 µm (unchanged)
18.
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.1 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
H zone after contraction = 0.7 µm, I band after contraction = 2.2 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 0.8 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.7 µm, I band after contraction = 2.2 µm, A band = 1.2 µm
19.
The figure shows a sarcomere of 3.2 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 1.2 µm, A band = 1.2 µm
H zone after contraction = 0.2 µm, I band after contraction = 1.2 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1.2 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 1 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
20.
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0 µm, I band after contraction = 0.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 0.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.2 µm, I band after contraction = 0.1 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 2 µm, A band = 1.1 µm
21.
Three plant cells with sap concentration 0.4 M were placed in 0.6, 0.8 and 1.0 M solutions respectively (figure). Which option is correct?
Three plant cells with sap concentration 0.4 M were placed in 0.6, 0.8 and 1.0 M solutions respectively (figure). Which option is correct?
cell 2: turgid — supports the plant, water leaves the cell
cell 2: vacuole unchanged, water leaves the cell
cell 2: plasmolysed — the plant wilts, water leaves the cell
cell 2: plasmolysed — the plant wilts, no water movement
22.
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 0.9 µm, A band = 1.3 µm
H zone after contraction = 0.2 µm, I band after contraction = 0.7 µm, A band = 1.3 µm
H zone after contraction = 0.3 µm, I band after contraction = 0.5 µm, A band = 1.3 µm
23.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.3 µm, I band after contraction = 2.1 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 0.8 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1 µm, A band = 1.4 µm
H zone after contraction = 0.3 µm, I band after contraction = 0.8 µm, A band = 1.4 µm
24.
Three plant cells with sap concentration 0.5 M were placed in 0.6, 0.8 and 1.0 M solutions respectively (figure). Which option is correct?
Three plant cells with sap concentration 0.5 M were placed in 0.6, 0.8 and 1.0 M solutions respectively (figure). Which option is correct?
cell 3: turgid — supports the plant, water leaves the cell
cell 3: plasmolysed — the plant wilts, water leaves the cell
cell 3: plasmolysed — the plant wilts, no water movement
cell 3: turgid — supports the plant, no water movement
25.
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.3 µm, I band after contraction = 1.2 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
H zone after contraction = 0.3 µm, I band after contraction = 0.8 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 0.8 µm, A band = 1.6 µm (unchanged)
26.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 1.2 µm, I band after contraction = 0.2 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 0.6 µm, A band = 1.2 µm
H zone after contraction = 0.4 µm, I band after contraction = 0.6 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 0.6 µm, A band = 1.2 µm
27.
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.4 µm, I band after contraction = 1.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 2.6 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0 µm, I band after contraction = 1.1 µm, A band = 1.1 µm
H zone after contraction = 0 µm, I band after contraction = 1.1 µm, A band = 1.5 µm (unchanged)
28.
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.45 µm, I band after contraction = 1.8 µm, A band = 1.2 µm
H zone after contraction = 0.3 µm, I band after contraction = 0.6 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 0.6 µm, A band = 1.2 µm
H zone after contraction = 0.3 µm, I band after contraction = 0.3 µm, A band = 1.2 µm
29.
Three plant cells with sap concentration 0.5 M were placed in 0.2, 0.6 and 0.8 M solutions respectively (figure). Which option is correct?
Three plant cells with sap concentration 0.5 M were placed in 0.2, 0.6 and 0.8 M solutions respectively (figure). Which option is correct?
cell 1: vacuole unchanged, no water movement
cell 1: turgid — supports the plant, water enters the cell
cell 1: turgid — supports the plant, no water movement
cell 1: vacuole unchanged, water enters the cell
30.
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.4 µm, I band after contraction = 1.5 µm, A band = 1.3 µm
H zone after contraction = 0.4 µm, I band after contraction = 1.3 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 2.4 µm, A band = 1.3 µm
H zone after contraction = 0.8 µm, I band after contraction = 1.3 µm, A band = 1.3 µm
31.
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 0.9 µm, A band = 1.3 µm
H zone after contraction = 0.6 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 0.7 µm, A band = 1.3 µm
32.
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.4 µm, I band after contraction = 2.4 µm, A band = 1.4 µm
H zone after contraction = 0.2 µm, I band after contraction = 1 µm, A band = 1.4 µm
H zone after contraction = 0.2 µm, I band after contraction = 1 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 1 µm, A band = 1.4 µm
33.
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 1.7 µm, A band = 1.3 µm
H zone after contraction = 0.2 µm, I band after contraction = 1.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 1.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1.5 µm, A band = 1.3 µm
34.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.1 µm, I band after contraction = 0.7 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1 µm, A band = 1.3 µm
H zone after contraction = 0.1 µm, I band after contraction = 2.2 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 0.4 µm, A band = 1.3 µm
35.
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.65 µm, I band after contraction = 2 µm, A band = 1.3 µm
H zone after contraction = 0.5 µm, I band after contraction = 0.9 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.5 µm, I band after contraction = 1.2 µm, A band = 1.3 µm
H zone after contraction = 0.8 µm, I band after contraction = 1.2 µm, A band = 1.6 µm (unchanged)
36.
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 1 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 1.1 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 1.1 µm, A band = 1.3 µm
37.
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.4 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 1.8 µm, A band = 1.1 µm
H zone after contraction = 0.4 µm, I band after contraction = 1.8 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 1.2 µm, I band after contraction = 0.7 µm, A band = 1.1 µm
38.
The figure shows a sarcomere of 3.2 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.5 µm, I band after contraction = 1.3 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.5 µm, I band after contraction = 1 µm, A band = 1.3 µm
H zone after contraction = 1.1 µm, I band after contraction = 1.3 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.65 µm, I band after contraction = 1.3 µm, A band = 1.3 µm
39.
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.7 µm, I band after contraction = 0.6 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 0.6 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 1.6 µm, A band = 1.4 µm
H zone after contraction = 0.6 µm, I band after contraction = 1.6 µm, A band = 1.6 µm (unchanged)
40.
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.4 µm, I band after contraction = 1.6 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 0.4 µm, A band = 1.2 µm
H zone after contraction = 1.2 µm, I band after contraction = 1.6 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 0.4 µm, A band = 1.6 µm (unchanged)
41.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.65 µm, I band after contraction = 0.7 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.5 µm, I band after contraction = 0.7 µm, A band = 1.3 µm
H zone after contraction = 0.5 µm, I band after contraction = 0.7 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 1.8 µm, A band = 1.3 µm
42.
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.35 µm, I band after contraction = 1.7 µm, A band = 1.2 µm
H zone after contraction = 0.5 µm, I band after contraction = 2.7 µm, A band = 1.2 µm
H zone after contraction = 0.8 µm, I band after contraction = 1.1 µm, A band = 1.2 µm
H zone after contraction = 0.2 µm, I band after contraction = 1.4 µm, A band = 1.5 µm (unchanged)
43.
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.7 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 0.9 µm, A band = 1.3 µm
H zone after contraction = 0.6 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.7 µm, I band after contraction = 1.1 µm, A band = 1.5 µm (unchanged)
44.
Three plant cells with sap concentration 0.3 M were placed in 0.6, 0.8 and 1.0 M solutions respectively (figure). Which option is correct?
Three plant cells with sap concentration 0.3 M were placed in 0.6, 0.8 and 1.0 M solutions respectively (figure). Which option is correct?
cell 3: plasmolysed — the plant wilts, no water movement
cell 3: plasmolysed — the plant wilts, water leaves the cell
cell 3: turgid — supports the plant, water enters the cell
cell 3: plasmolysed — the plant wilts, water enters the cell
45.
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 2.2 µm, A band = 1.3 µm
H zone after contraction = 0.2 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 0.7 µm, A band = 1.3 µm
H zone after contraction = 0.2 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
46.
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.8 µm, I band after contraction = 2.2 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0 µm, I band after contraction = 0.3 µm, A band = 1.1 µm
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