Berry List of Biology Experiments (PEKA) Form 5 (Part 6 – Final)

by BerryBerryTeacher

in Berry Experiment (Experiments & PEKA)

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 6: Variation conducting the experiments so as to be better prepared. So do read this post.

Berry List of Biology Experiments (PEKA) Form 5 (Part 6 – Final)

PEKA SPM Biology Chapter 6 Form 5

Chapter 6 – Variation

List of experiment:

  1. Investigating variation in humans
  2. Modelling the process of independent assortment of chromosomes
  3. Studying the effects of environmental factors on variation in plants
  4. Studying how colour camouflage can help in the survival of a species
  5. Studying other forms of camouflage by insects
  6. Simulating the predator-prey relationship and camouflage
  7. Working together in diversity for a good cause
  8. Performing a sketch to show respect for the Earth and all of God’s creations
  9. Studying the importance of variation in the survival of a species of moth
Number Activity 6.1 (Observation)
Pg. 101
Title Investigating variation in humans
Aim / Objective of the Study To investigate variation in humans

  • Studying variation in height and weight among students in the class
  • Identifying variations in tongue-rolling, ear lobe shape, digital hyperextensibility and thumbprints among students in a class
Material
  • Metre rule
  • Weighing machine
  • Ink pad
  • White paper
  • A piece of rag
Apparatus -
Technique used Predict the genotypes and phenotypes by using probabilities results from genetics crosses

===============================================

Number Exploring Further
Pg. 104
Title Identifying the blood groups of all the students in the class and determining the type of variation they represent
Aim / Objective of the Study To identify the blood groups of all the students in the class and determining the type of variation they represent
Material
  • Lancet
  • Serum A
  • Serum B
  • Alcohol
  • Cotton wool
Apparatus
  • Dropper
  • Spotting tile

===============================================

Number Activity 6.2 (Simulation)
Pg. 105
Title Modelling the process of independent assortment of chromosomes
Aim / Objective of the Study To model the process of independent assortment of chromosomes
Material
  • Large sheets of Manila card
  • Coloured plasticine
  • White beads
  • Thick woollen thread
  • Strong glue
  • Coloured paint
Apparatus
  • Scissors
  • Blade

===============================================

Number Activity 6.3 (Experiment)
Pg. 107
Title Studying the effects of environmental factors on variation in plants
Aim / Objective of the Study To study the effects of environmental factors on variation in plants
Problem statement Do environmental factors affect the growth of plants?
Hypothesis The growth of plants is affected by environmental factors
Variables
  • Manipulated variable: Soil type, water, sunlight
  • Responding variable: Growth of stem
  • Fixed variable: Initial length and type of stem
Material
  • Five stem cuttings measuring 20-25 cm from the same plant (bougainvillea / hibiscus / sugar cane / tapioca) with all the leaves removed (cutting should be dipped overnight in water)
  • Sand
  • Clay
  • Loam soil
  • Water
Apparatus
  • Five flowerpots

===============================================

Number Exploring Further
Pg. 109
Title Studying the effects of genetic factors on variation in plants
Aim / Objective of the Study To study the effects of genetic factors on variation in plants
Material
  • Two varieties of maize (Taiwan and Masmadu)
  • Soil
  • Water
Apparatus
  • 4 flowerpot
  • Metre rule

===============================================

Number Activity 6.4 (Experiment)
Pg. 110
Title Studying how colour camouflage can help in the survival of a species
Aim / Objective of the Study To study how colour camouflage can help in the survival of a species
Problem statement What is the effect of colour camouflage on organisms?
Hypothesis Colour camouflage helps in the survival of a species.
Variables
  • Manipulated variable: The colour of the cloth used
  • Responding variable: The coloured buttons picked
  • Fixed variable: The size of the cloth used, the number of each coloured button
Material
  • Pieces of white, black and multicoloured floral cloth, each measuring 55 cm x 55 cm
  • 15 red buttons
  • 15 black buttons
  • 15 white buttons
  • 15 yellow striped buttons
  • 15 green striped buttons
Apparatus
  • White tile

================================================

Number Exploring Further
Pg. 112
Title Studying other forms of camouflage by insects
Aim / Objective of the Study To study other forms of camouflage by insects
Material
  • Notebook
  • Stationary
Apparatus -
Places Butterfly Farm
Technique used Observe and take photographs of different insects in the farm showing different colours and shapes as camouflage

===============================================

Number Creative Corner
Pg. 113
Title Simulating the predator-prey relationship and camouflage
Aim / Objective of the Study To simulate the predator-prey relationship and camouflage
Material
  • 120 cards (60 green and 60 yellow) in the shape of butterflies measuring 8 cm wide and 4 cm long
Apparatus -

===============================================

Number Activity 6.5 (Project)
Pg. 113
Title Working together in diversity for a good cause
Aim / Objective of the Study To work together in diversity for a good cause
Activities
  • Cleaning and beautifying the school environment
  • Interclass games
  • Cultural Charity Night
  • Canteen Day
  • Community service to welfare homes
Technique used
  • Plan activities

===============================================

Number Activity 6.6 (Project)
Pg. 114
Title Performing a sketch to show respect for the Earth and all of God’s creations
Aim / Objective of the Study To perform a sketch to show respect for the Earth and all of God’s creations
Technique used
  • Brainstorm to plan and conduct  sketch to show respect for God’s creations

===============================================

Number Practical Assessment (Experiment)
Pg. 115
Title Studying the importance of variation in the survival of a species of moth.
Aim / Objective of the Study To study the importance of variation in the survival of a species of moth.
Problem statement What is the effect on difference in colour between the moths and the background?
Hypothesis When the difference in colour between the moths and the background is very distinct, the number of moths with that particular colour is fewer.
Variables
  • Manipulated variable: Surrounding area / locations
  • Responding variable: Number of each type of moths in the area
  • Fixed variable: The tree trunk and time of observation

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July 2, 2012
July 2, 2012

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