Permutation and combination : Permutation of n different things taken r at a time (r≤n). Permutation of n things not all different. Permutation with repetitions (circular permutation excluded).
Combinations of n different things taken r at a time (r≤n). Combination of n things not all different.
Basic properties.
Problems involving both permutations and combinations.
Nutrition and Digestive System : Basic constituents of food and their nutritional significance. Vitamins – dietary sources, functions and deficiency symptoms of water and fat soluble vitamins. Structure and functions of the alimentary canal and the digestive glands.
Functions of life :
Photosynthesis :
Tissue and tissue system : (a)Plant Tissues–Meristematic and permanent (types with characterization and function). (b)Animal Tissue – outline classification and examples.
Biotechnological application of microbes : (a)Agricultural – Rhizobium and other Nitrogen fixing bacteria, Biofertilizers and Bio-pesticides ; (b) Industrial – Production of curd; tanning and brewery; synthesis of antibiotics, vitamin. (c) Cloning of microbial genes.
Virus and Bacteria : Morphological characteristics of Bacteriophage (T2),Plant virus (TMV);Animal virus (influenza), Bacterial cell (E. coli).
Staining : Gram staining for bacteria.
