The following list of PEKA experiments for SPM Biology Form 5 from Berry Berry Easy shows all the important information that you need to know regarding the experiment before conducting it, such as page number on the textbook, title, aim/objective of study, problem statement, hypothesis, variables, materials, apparatus and technique used. So, it is highly encouraged that students read all of these experiments from Chapter 1: Transport conducting the experiments so as to be better prepared. So do read this post.
Berry List of Biology Experiments (PEKA) Form 5 (Part 1)
Chapter 1 – Transport
List of PEKA experiments:
- Correlating the different sizes of cubes with the total surface area to volume (TSA/V) ratio and studying how the TSA/V ratio affects the movement of solutes to the interior of cubes.
- Studying educational courseware and charts about the circulatory systems in humans, fish and amphibians.
- Examining prepared slides of blood smear, mammalian artery and mammalian vein.
- Observing live specimens of the heart
- Showing the presence of xylem as a continuous tube system to transport water and minerals
- Preparing and examining slides of the cross section and longitudinal section of a dicotyledonous stem
- Observing prepared slides of the cross section of the stem, root and leaf of a dicotyledonous plant
- Carrying out bark ringing to show the role of phloem in the continuous transport of organic substances
- Studying the effect of air movement on the rate of transpiration by using a potometer
- Determining the effect of temperature, light intensity and relative humidity on the rate of transpiration
- Investigating whether transpiration occurs mainly through the stomata of leaves
- Observing the phenomenon of root pressure
- Observing the phenomenon of cohesion and adhesion of water
- Investigating the effect of light intensity on the rate of transpiration
| Number | Activity 1.1 (Observation) |
| Pg. | 2 |
| Title | Correlating the different sizes of cubes with the total surface area to volume (TSA/V) ratio and studying how the TSA/V ratio affects the movement of solutes to the interior of cubes |
| Aim / Objective of the Study | To correlate different sizes of cubes to total surface area/volume (TSA/V) ratio and to study on how the TSA/V ratio affects the movement of solutes to the interior of cubes. |
| Problem Statement | How the TSA/V ratio does affect the movement of solutes to the interior of cubes? |
| Hypothesis | A cube with a larger TSA/V ratio allows solutes to move faster into its interior. |
| Variables |
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| Material |
|
| Apparatus |
|
| Technique used | Measure the rate of penetration of solutes into the cubes by using cube-shaped moulds (on plain plastic). |
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| Number | Activity 1.2 (Observation) |
| Pg. | 4 |
| Title | Studying educational courseware and charts about the circulatory systems in humans, fish and amphibians. |
| Aim / Objective of the Study | To study the circulatory systems in humans, fish and amphibians |
| Problem Statement | How is the circulatory system in humans, fish and amphibians? |
| Material |
|
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| Number | Exploring Further (Experiment) |
| Pg. | 5 |
| Title | Examining prepared slides of blood smear, mammalian artery and mammalian vein |
| Aim / Objective of the Study | To exam prepared slides of blood smear, mammalian artery and mammalian vein |
| Material |
|
| Apparatus |
|
| Technique used | Observe and examine prepared slides with a microscope |
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| Number | Activity 1.3 (Observation) |
| Pg. | 6 |
| Title | Observing live specimens of the heart |
| Aim / Objective of the Study | To observe live specimens of the heart.A. Observing a live specimen of the goat’s heartB. Observing a live specimen of the chicken’s heartC. Observing a live specimen of the fish’s heart |
| Material |
|
| Apparatus |
|
| Technique used | Observe live specimens of the heart and compare the circulatory systems |
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| Number | Activity 1.4 (Observation) |
| Pg. | 13 |
| Title | Showing the presence of xylem as a continuous tube system to transport water and minerals |
| Aim / Objective of the Study | To observe the presence of xylem as a continuous tube system to transport water and minerals |
| Problem statement | Does xylem form a continuous tube system? |
| Hypothesis | Xylem tissues form a continuous tube system from the roots to the shoots |
| Material |
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| Apparatus |
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| Technique used |
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| Number | Activity 1.5 (Observation) |
| Pg. | 14 |
| Title | Preparing and examining slides of the cross section and longitudinal section of a dicotyledonous stem |
| Aim / Objective of the Study | To prepare and exam slides of the cross section and longitudinal section of a dicotyledonous stem |
| Material |
|
| Apparatus |
|
| Technique used | Identify the vascular tissue in stem, root and leaf by using microscope |
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| Number | Activity 1.6 (Observation) |
| Pg. | 16 |
| Title | Observing prepared slides of the cross section of the stem, root and leaf of a dicotyledonous plant |
| Aim / Objective of the Study | To observe prepared slides of the cross section of the stem, root and leaf of a dicotyledonous plant |
| Material |
|
| Apparatus |
|
| Technique used | Observe and identify the vascular tissue in stem, root and leaf by using microscope |
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| Number | Activity 1.7 (Experiment) |
| Pg. | 17 |
| Title | Observing prepared slides of the cross section of the stem, root and leaf of a monocotyledonous plant |
| Aim / Objective of the Study | To observe prepared slides of the cross section of the stem, root and leaf of a monocotyledonous plant |
| Problem statement | What is the effect of removing a ring of phloem tissue from the stem of a tree? |
| Hypothesis | The tissue just above the ring swells, whereas that below the ring tends to wither. |
| Variables |
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| Material |
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| Apparatus |
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| Technique used | Bark ringing (removal of a ring of phloem tissue, external to the xylem, from around the trunk of a woody plant). |
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| Number | Activity 1.8 (Experiment) |
| Pg. | 19 |
| Title | Studying the effect of air movement on the rate of transpiration by using a potometer |
| Aim / Objective of the Study | To study the effect of air movement on the rate of transpiration by using a potometer |
| Problem statement | How does the movement of air affect the rate of transpiration? |
| Hypothesis | The faster the movement of air, the greater the rate of transpiration |
| Variables |
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| Material |
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| Apparatus |
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| Technique used | Measuring the distance travelled by an air bubble in a photometer in 5 minutes |
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| Number | Activity 1.9 (Experiment) |
| Pg. | 25 |
| Title | Determining the effect of temperature, light intensity and relative humidity on the rate of transpiration. |
| Aim / Objective of the Study | To determining the effect of temperature, light intensity and relative humidity on the rate of transpiration.
|
| Problem statement |
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| Hypothesis |
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| Variables (light intensity) |
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| Variables (temperature) |
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| Variables (relative humidity) |
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| Material |
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| Apparatus |
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| Technique used | Measuring and recording the time taken for the air bubble to move a distance of 2 cm by using a stopwatch. |
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| Number | Exploring Further (Experiment) |
| Pg. | 26 |
| Title | Investigating whether transpiration occurs mainly through the stomata of leaves. |
| Material |
|
| Apparatus |
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| Number | Activity 1.10 (Observation) |
| Pg. | 27 |
| Title | Observing the phenomenon of root pressure |
| Material |
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| Apparatus |
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| Number | Activity 1.11 (Observation) |
| Pg. | 28 |
| Title | Observing the phenomenon of cohesion and adhesion (capillary action) of water |
| Material |
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| Apparatus |
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| Number | Practical Assessment 1 (Experiment) |
| Pg. | 29 |
| Title | Investigating the effect of light intensity on the rate of transpiration / Investigating the transpiration rate of a leafty shoot |
| Material |
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| Apparatus |
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