Adaptions of Specialized Cells to their FunctionsQuick View
jay5anum

Adaptions of Specialized Cells to their Functions

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The resource is prepared for teachers and students for revision. It deals with paying attention to features of adaptation that make cells and structures able to perform functions that no other cell or structure can perform. (Adaptation and Function).
Continuous and Discontinuous VariationQuick View
jay5anum

Continuous and Discontinuous Variation

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The resource offers students the chance to learn and improve on their skills of presenting quantitative and qualitative data in graphical forms. It would make students appreciate when to present data as histograms and when to present as bar charts. The resource should be used after teaching biological variation. Answers have been provided to the questions.
Internal structure of root and stem of a flowering plant.Quick View
jay5anum

Internal structure of root and stem of a flowering plant.

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This resource shows photomicrographs of the internal structures of the root and stem of a flowering plant. It shows the distribution of tissues in the root and stem.<br /> It could be used to reinforce the teaching and learning of the anatomy of flowering plants as well as evaluate how well the topic has been understood. Answers to the questions are provided
Investigating a factor that affects photosynthesisQuick View
jay5anum

Investigating a factor that affects photosynthesis

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The resource is designed to be used as a worksheet to assess students on how well they have understood the principles behind the experimental set-ups in investigating factors that affect the process of photosynthesis. It will help students to apply knowledge to situations.
Osmosis, Turgidity and Plasmolysis in Plant CellsQuick View
jay5anum

Osmosis, Turgidity and Plasmolysis in Plant Cells

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This resource shows graphic pictures of plant cells that have been placed in media of different concentrations. The questions that follow could be used both to deepen knowledge and assess students' level of understanding of the topic of osmosis in plant cells.
Anaerobic Respiration by Yeast CellsQuick View
jay5anum

Anaerobic Respiration by Yeast Cells

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This resource, though concerns anaerobic respiration, will help students to appreciate reasons for certain experimental procedures, graphical presentation of biological data, effect of temperature on enzyme-controlled reactions and a better understanding of the term &quot;optimum temperature&quot;.<br /> It could be used after students have been taught the topic of Anaerobic Respiration.
The Digestive System and DigestionQuick View
jay5anum

The Digestive System and Digestion

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The resource is to help students to link the various processes involved in digestion and to appreciate the topic better. Students will understand how pH affects digestion, how specific enzymes act on specific food substances, and so on.<br /> Teachers may also use it to assess students' level of understanding of the topic.
Experiment to show that living organisms respireQuick View
jay5anum

Experiment to show that living organisms respire

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The resource shows photographs of the experimental set up in which bicarbonate indicator solution was used to demonstrate the presence of one of the products of respiration in living organisms. It reinforces knowledge of the colour changes of bicarbonate indicator solution in the presence or absence of carbon dioxide. It could also be used to evaluate students' understanding of the topic of respiration.
Comparison Between Inhaled Air and Exhaled AirQuick View
jay5anum

Comparison Between Inhaled Air and Exhaled Air

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This resource could be used to assess students to find out how well they have understood the topics of gaseous exchange, inhalation and exhalation. Other topics like the differences in composition of inhaled and exhaled air as well as features of respiratory surfaces.
Kidney Structure and FunctionQuick View
jay5anum

Kidney Structure and Function

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This resource would be used to determine students' understanding of the mammalian kidneys and their functions of excretion and osmoregulation after the topics have been taught. It assesses students' ability to describe the structure of the kidney and the detailed structure of the nephron with its associated blood vessels.
Determination of the Water Potential of potato cells.Quick View
jay5anum

Determination of the Water Potential of potato cells.

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The worksheet is for secondary level biology (ages 14 to 16 years and above).<br /> This could be used to deepen knowledge on osmosis in plant cells when immersed in solutions of different water potential, presenting the data collected in graphical form and using the graph to estimate the water potential of potato tissues. <br /> Answers have been provided to the questions.
Structure and functions of a flowerQuick View
jay5anum

Structure and functions of a flower

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This resource comes with well-illustrated photographs of a flower to help students to observe floral parts and answer questions set. It could be used as a worksheet or for assessment to see how students have understood topics on flower structure and functions and adaptations for pollination.
Measurement of water uptake and transpiration in a leafy shootQuick View
jay5anum

Measurement of water uptake and transpiration in a leafy shoot

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The resource involves the use of a potometer to demonstrate the measurement of water uptake by a leafy shoot and relate it to its evaporative water loss (transpiration).<br /> This is to help assess how well students have understood the processes of water uptake and transpiration by plants.<br /> It also aims to assess students on their understanding of the use of the potometer and how to minimise experimental errors.
Tests for food substancesQuick View
jay5anum

Tests for food substances

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This resource could be used to evaluate students understanding of the the tests for reducing and non-reducing sugars using Benedict's solution, test for starch, test for protein by Biuret's method and the emulsion test for fats and oils. Answers are provided.
THE MAMMALIAN CIRCULATORY SYSTEMQuick View
jay5anum

THE MAMMALIAN CIRCULATORY SYSTEM

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This resource will help students to recall and better understand what the circulatory system is about, its components, types of blood cells and their functions, etc. It is useful for assessment after teaching and learning, as well as serve as a material for revision of the topic.
Seed Structure and FunctionQuick View
jay5anum

Seed Structure and Function

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This resource is for the assessment of students' grasp of the topic on seed structure and function. It could, in addition, be used to reinforce understanding of the topic. It also highlights seed structure and its use to classify plants as monocotyledons and dicotyledons.
Vegetative Reproduction in PlantsQuick View
jay5anum

Vegetative Reproduction in Plants

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The resource is another graphic presentation of plant organs that are used for asexual reproduction. They are to be used to reinforce understanding of asexual reproduction in plants.