S.N Mitosis Meiosis 1. It occurs in somatic cells. It occurs in sex cells. 2. Two daughter cells are produced. Four daughter cells are produced. 3. Each daughter cell contains diploid chromosomes. Each daughter cell contains haploid chromosomes. 4 No … Read more
The five kingdom system of classification was proposed by R.H Whittaker in 1969. This classification is based on following criteria: Complexity of cell structure- prokaryote and eukaryote. Complexity of organism’s body- unicellular and multicellular. Mode of obtaining nutrition– autotrophs and heterotrophs. Life style i.e. producers, consumers and decomposers. Phylogenetic relationship. The five kingdoms are Monera, … Read more
Minerals Function Symptoms of deficiency Minimum daily requirements Calcium(Ca) Bone and teeth formation, blood clotting, muscle activity, and nerve function. Spontaneous nerve discharge, tetany 800-1200mg … Read more
Vitamins Function Deficiency A(retinol) Rhodopsin synthesis, normal health of epithelial cells, and bone and tooth growth. Rhodopsin deficiency, night blindness, retarded growth, skin disorders, and increased infection risks. B1(thiamine) Involved in carbohydrate and amino acid metabolism, necessary for appetite and good health, aids in normal functioning of nervous system. Beriberi- muscle weakness, neuritis and … Read more
S.N Blood Lymph 1. It is red coloured liquid connective tissue due to presence of haemoglobin in RBCs. It is colourless liquid connective tissue due to the absence of RBCs. 2. It is found in blood vessel. It is found in lymph vessel. 3. It is formed of … Read more
S.N Photosynthesis Respiration 1. An anabolic process. A catabolic process. 2. Complex organic food is synthesized from simple inorganic food. Complex organic foods are oxidized into simple inorganic forms. 3. Carbon dioxide is absorbed. Carbon dioxide is evolved. 4. Oxygen is evolved. Oxygen is absorbed. 5. It occurs in presence of light. It occurs … Read more
S.N Hormones Enzymes 1. These are secreted by endocrine glands. These are secreted by exocrine glands. 2. They are poured directly into the blood stream. They are released through the … Read more