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Biology Form 2 notes pdf download

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FORM TWO BIOLOGY
By the end of form two work, the learner should be able
to:
 Define the term transport
 List substances transported in plants and animals
 Link surface area to volume ratio of organisms to the transport system of the
organism
 Explain the necessity of transport in plants
 Draw the structure of roots and root hairs
 Relate the structure of the root to their functions
 Observe prepared slides of roots and root hairs
 Compare monocotyledons and dicotyledonous root sections
 Observe charts and drawings of root sections
 Draw and label the structure of the Xylem Vessel
 Define Xylem Vessel
 Relate the structure of the Xylem Vessel to its function
 Define Tracheid elements
 Relate the structure of the Tracheid elements to their functions
 Distinguish between xylem vessels and Tracheid elements
 Describe water and salt uptake by roots from the soil
 Explain the physiological process involved in the uptake of water and mineral salts
 Draw the monocotyledonous and dicotyledonous stem sections
 Define the term transpiration and relate the structure of xylem to its role in
transpiration
 Draw and label the internal and the external structure of a leaf
 Describe the functions of the leaf
 Relate the parts of a leaf to their functions
 Demonstrate the movement of water in plants
 Observe prepared leaf sections to identify vascular tissues
 Discuss the forces involved in movement of water in plants such as transpiration,
pull, cohesion and adhesion capillarity and root pressures
 Demonstrate the forces involved in movement of water in plants
 Identify the importance of transpiration in plants
 Discuss the importance of transpiration in plants
 Explain what the phloem is
 Draw the structure of the phloem and relate its structure to its function
 List down materials translocated in the phloem
 Draw the structure of the phloem
 Relate the parts of the phloem to its functions
 Discuss the function of the phloem
 List down materials translocated and the sites of storage in the phloem
 Set up an experiment to investigate translocation of food substances in
dicotyledonous plants
 Set up an experiment to investigate translocation of food substances in a
monocotyledonous plant
 Explain the processes involved in the translocation of food in plants Identify
unicellular organisms such as amoeba
 Describe transport of substances in unicellular organisms
 Explain the necessity of an elaborate transport system in most animals
 Define an open circulatory system
 Discuss the open circulatory system
 Draw the open circulatory system of an insect
 Define an closed transport system
 Identify animals with the open circulatory system
 Distinguish between closed and open circulatory systems
 Define an Double circulatory system
 Draw and label circulatory systems in mammals
 Dissect a rabbit and observe its transport system
 Draw and label the external parts of the mammalian heart
 Draw and label the internal structure of the mammalian heart
 Explain the functions of the heart
 Relate the structure of the heart to its functions
 Trace the path taken by blood from the heart to the body parts and back to the heart
 State the substances supported by the blood of mammals
 Describe the flow of oxygenated blood in and out of the body through the heart
 Explain the structure of arteries, veins and capillaries
 Relate the structure of the arteries, veins and capillaries to their function
 Name the common diseases of circulatory system such as thrombosis, varicose veins
 Suggest methods of control/prevention for the diseases.
 List the components of the blood
 State the functions of each of the blood components
 Explain how oxygen and carbon dioxide are transported in the blood
 Describe the mechanisms of blood clotting and its importance
 Describe the human blood group system
 State the importance of blood groups in blood transfusion
 Discuss the rhesus factor
 State the role of the rhesus factor in blood transfusion
 Examine the external and internal structure of a cows heart
 Investigate pulse rate at the wrist
 Defining immunity
 Describe immune response
 Differentiate between natural and artificial immunity
 Define vaccination
 Describe importance of vaccination against diseases such as tuberculosis,
poliomyelitis, measles, diphtheria, whooping cough
 Define allergic reactions and explain their causes
 Carry out an experiment to demonstrate the unidirectional flow of blood in the
cutaneous veins of the forearm
 Define gaseous exchange
 Identify the gases that are exchanged in the living organism
 Explain the importance of gaseous exchange in organisms
 Describe the stomata
 Draw and label open and closed stomata
 Explain stomata and gaseous exchange
 Investigate the presence of stomata on leaves
 Investigate the shape of guard cells and the distribution of stomata on leaves
 Explain the mechanism of opening and closing of stomata
 Describe photosynthetic/glucose accumulation theory of opening and closing
stomata
 Describe inter-conversion of starch and glucose and ion accumulation theories
 Investigate the internal structure of stems and leaf stalk in aerial and aquatic plants
 Investigate tissue distribution in aerial leaves and stems
 describe Cuticular and lenticular gaseous exchange
 Draw the structure of the root
 Describe how gaseous exchange takes place through the epidermis of the roots
 Examine various types of gaseous exchange structure in different organisms
 Relate the various types of gaseous exchange structure to their functions in different
organisms
 State the characteristics of gaseous exchange surfaces in different organisms
 Examine the gaseous exchange structures of a grasshopper or a locust
 Draw the gaseous exchange structure of an insect
 Draw and label the structure of gaseous exchange in bony fish
 Relate the gills to their function
 describe the mechanism of gaseous exchange in bony fish
 Examine the location and number of gills in gill chambers of bony fish
 Examine, draw and label the gill of a bony fish
 describe the gaseous exchange I a frog through its gills, skin, mouth and lungs.
 State the structure involved in gaseous exchange in human beings
 Explain the features of the structures involved in gaseous exchange in human beings
 Draw and label the structures involved in gaseous exchange in human beings
 Examine a dissected mammal to locate the gaseous exchange structures
 Describe the mechanism of breathing in human beings
 Draw and label the alveoli where gaseous exchange occur in human beings
 Describe how gaseous exchange occurs in alveoli
 Explain how human beings are adapted to their functions
 Able to examine the mammalian lung
 Demonstrate the breathing mechanism of the lungs and diaphragm in a model
thoracic cavity
 Demonstrate the breathing movement of ribs and muscles by using a mode
 Examine the factors affecting the rate of breathing in human beings
 Explain the factors which control the rate of breathing in human beings
 State the causes of respiratory diseases
 Discuss the symptoms of respiratory disease
 explain the prevention measures of respiratory diseases
 demonstrate the effect of exercise on the rate of breathing
 Define respiration
 State the significance of respiration
 Draw and label mitochondria
 Define Anaerobic respiration
 Describe Anaerobic respiration in plants
 Describe Anaerobic respiration in animals
 Identify the gas given off when food is burnt
 Investigate the gas produced during fermentation
 State the economic importance of anaerobic respiration
 Discuss the economic importance of anaerobic respiration in both plants and animals
 Explain anaerobic respiration
 Distinguish between anaerobic and aerobic respiration
 Compare energy production in anaerobic and aerobic respiration
 Investigate the production of heat by germinating seeds
 Demonstrate that respiration takes place in plants
 Show aerobic respiration in animals
 Show the aerobic respiration takes place in animals
 Define terms stated
 Distinguish between excretion and egestion
 Explain the necessity of excretion in plants and animals
 Describe the methods of excretion in plants
 List down useful and harmful excretory products in plants
 Identify the uses of excretory products in plants
 Describe the uses of excretory products in plants
 Describe excretion and homeostasis in unicellular animals such as amoeba
 Draw an amoeba
 Describe excretion in fresh water amoeba
 Explain the need for complex animals for excretion
 List down organs involved In excretion in animals
 List down waste products released by various organs
 Examine the kidney of a mammal
 Draw and label the external structure of a kidney
 Make a vertical section through the kidney
 Identify the internal parts of the kidney
 Draw and label parts of the nephron
 Relate its structure to its role in urine formation
 Identify the hormones involved in Neuro-endoctrine system and homeostasis eg
insulin
 Explain the process of urine formation in the kidney
 Describe the role of various hormones in urine formation
 Describe the components and role of Neuro-endoctrine systems
 Distinguish between internal and external environments
 Explain the general working of the homeostatic mechanism
 Define osmoregulation
 Describe the role of the kidney in osmoregulation
 Explain the role of hypothalamus in osmoregulation
 Explain Diabetes insipidus and other common kidney diseases
 Describe the causes of Diabetes insipidus and other common kidney diseases
 State possible control/prevention methods of Diabetes insipidus
 Draw and label parts of the skin
 Relate the parts of the skin to their functions
 Distinguish between osmoregulation and thermoregulation
 Describe the role of the skin in osmoregulation
 Describe the role of the skin in thermoregulation
 Identify behavioral and physiological means of thermoregulation in animals
 Describe behavioral and physiological means of thermoregulation in animals
 Explain Heat loss and heat gain
 Describe the various methods of Heat loss and heat gain in mammals
 Explain the terms Surface area to volume ratio in relation
 Relate the body size of mammals to heat loss and heat gain
 Draw and label the liver and its associated parts
 Describe the liver and its role in homeostasis
 List down some of the functions of the liver
 Describe the functions of the liver
 Identify all the diseases of the liver
 Describe the symptoms and possible control of diabetes mellitus and other liver
diseases
 Explain the causes symptoms and diseases of the liver
 explain catalase enzyme and hydrogen peroxide
 describe the role of catalase enzyme in breaking down hydrogen peroxide,,use liver
and kidney to investigate the reaction
 Describe the role of the liver in blood sugar control
 Describe the role of insulin hormone
 Explain the regulation of blood sugar
 Describe a flow chart showing the regulation of blood sugar
 Describe temperature regulation in other animals
 Relate parts of the lungs to its functions
 Draw and label parts of the lungs
 describe the functions of the lungs as discussed during gaseous exchange
 Identify a mammals lungs
 Observe and describe structures of lungs in relation to functions