SS 2 SECOND TERM SCHEME OF WORK

1.  EXCRETION
    (a) Definition of excretion
    (b) Structures of excretion
    (c) Waste products of metabolism
    (d) Forms in which waste products are excreted

2. TISSUES AND SUPPORTING SYSTEM
    (a) Definition of skeleton
    (b) Biological significance of the skeleton
    (c) Forms of skeleton
    (d) Types of skeleton

3. COMPONENTS OF MAMMALIAN SKELETON
I. AXIAL SKELETON
    (a) The skull
    (b) Vertebral column
    (c) The ribs

II. APPENDICULAR SKELETON
    (a) Pectoral girdle
    (b) Pelvic girdle
    (c) Pentadactyl limbs

4. JOINTS
   (a) Types of Joints
   (b) Structure of joints
   (c) Functions of joints
   (d) Mechanism of joint movement
   (e) Functions of skeleton
  SUPPORTING TISSUES IN PLANTS
   (a) Types of supporting tissues in plants
   (b) Structures and features of plant-supporting tissues
   (c) Functions of plant-supporting tissues

5. ALIMENTARY CANAL/DIGESTIVE SYSTEM
  I. INVERTEBRATES
   (a) Planaria
   (b) Earthworm
   (c) Cockroach

  II. VERTEBRATE
   (a) Birds
   (b) Rabbit

   (c) Similarities and differences between alimentary canals of different animals

   (d) Digestive system and digestion in man

6. Practicals on digestion and skeletal system

    Dissection of rabbits/rat/fowl

7. FEEDING HABITS

   (a) Categories and mechanism (filter and fluid feeding, piercing, sucking)

   (b) Modification in organisms to reflect feeding habits

8. (a) Feeding in Amoeba, Hydra and Man

    (b) Teeth - types, structure and functions

    (c) dentition in herbivores, carnivores and omnivores, man

9. TRANSPORT SYSTEM

   (a) Need for transportation

   (b) Materials for transportation

   (c) Media of transportation

   (d) Composition and functions of blood and lymph

10. CIRCULATORY SYSTEM IN MAMMALS

   (a) Structure of the mammalian heart, arteries, veins and capillaries

   (b) Types and mechanisms of circulation

     (i) Open and closed circulation

     (ii) Single and double circulation

     (iii) Systemic and pulmonary circulation

11. Mechanism of transport in higher plants

   (a) Absorption and transport of water and mineral salts

   (b) Transportation

   (c) Translocation

12. REVISION AND EXAMINATION

13. REVISION AND EXAMINATION