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What type of membrane is the cell membrane in terms of permeability?
Date posted:
September 18, 2017
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What is the name of an RNA sequence that codifies one amino acid?
Date posted:
September 18, 2017
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Where does respiration take place in a cell?
Date posted:
September 18, 2017
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State the adaptations of plants which enable them to reduce water loss
Date posted:
September 18, 2017
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State the structural differences between xylem vessels and sieve tubes
Date posted:
September 18, 2017
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Explain the environmental factors that affect rate of transpiration in plants
Date posted:
September 18, 2017
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Explain the structural factors that affect the rate of transpiration in plants
Date posted:
September 18, 2017
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Explain the uptake of mineral salts by plants
Date posted:
September 18, 2017
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Explain the forces that make water and mineral salts move through a plant
Date posted:
September 18, 2017
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Describe the movement of water from the soil to the leaves of a tall plant
Date posted:
September 18, 2017
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Why do flowering plants need water?
Date posted:
September 18, 2017
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State the role of vitamin K to the human body
Date posted:
September 16, 2017
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a) What are carbohydrates?
b) Name the groups of carbohydrates
c) State the general functions of carbohydrates
Date posted:
September 15, 2017
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a) What are organic compounds?
b) List the organic compounds
Date posted:
September 15, 2017
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Describe briefly the process of photosynthesis in plants.
Date posted:
September 15, 2017
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Differentiate the various modes of feeding
Date posted:
September 15, 2017
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Explain briefly the role of active transport in living organisms.
Date posted:
September 15, 2017
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Explain briefly the role of osmosis in living tissues.
Date posted:
September 15, 2017
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Discuss factors that affect the process active transport in living organisms.
Date posted:
September 15, 2017
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Discuss factors that affect the rates of diffusion in living organisms.
Date posted:
September 15, 2017
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a. What is active transport?
b. State the factors affecting active transport
c. Why is oxygen important in the process of active transport?
Date posted:
September 15, 2017
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a. What is osmosis?
b. Explain the roles of osmosis in living organisms
Date posted:
September 15, 2017
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a. What is diffusion?
b. State the factors affecting diffusion
c. Explain the roles of diffusion in living organisms gaseous exchange
d. Suggest an experiment to demonstrate diffusion
Date posted:
September 15, 2017
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Explain the properties of cell membrane.
Date posted:
September 15, 2017
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Describe the structure of cell membrane
Date posted:
September 15, 2017
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a. What is magnification?
b. Give the formula used to calculate magnification in a light microscope
Date posted:
September 15, 2017
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a. What is a microscope?
b. Name the types of microscope
c. State the purpose of using a light microscope
d. Explain the procedure followed when using a microscope
e. State the precautions that are necessary when handling a microscope
Date posted:
September 15, 2017
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a. Define the term cell
b. What is cell biology?
Date posted:
September 15, 2017
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a. What is a species?
b. Name the major kingdoms used in classification
Date posted:
September 15, 2017
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a. What is classification?
b. List the external features used to classify plants
c. List the external features used to classify animals
d. Give the reasons why classification is important
e. Name the taxonomic units of classification in descending order
Date posted:
September 15, 2017