S.N Vertebrates Invertebrates 1. They have backbone or vertebral column. They do not have backbone or vertebral column. 2. They are the most organized animals on the earth. They are not organized as vertebrates. 3. They consist of single phylum. They consist of eight phylum. 4. They have internal skeleton. Internal skeleton absent. 5. They … Read more
Organic compounds produced within the plants body. Regulates growth and development in plants. Move from the site of production to the site of action. Mainly produced in apical bud, young leaves, root tip, embryo, etc. Important characters Produced at the apices of roots, stems and leaves. Transported to other parts of the plants through phloem. … Read more
Points of difference Unstriped muscles Striped muscles Cardiac muscles 1. location In the walls of hollow internal organs, like stomach, intestine, etc Attached to the skeleton In the walls of heart. 2. shape Elongated, spindle- shaped, tapering at both ends. Long, cylindrical, non tapering, unbranched Elongated, cylindrical and branched. 3. arrangement … 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 Organic fertilizers Chemical fertilizers. 1. They are obtained by decomposition of animal remains and plant residues. They are made from chemicals. 2. They are less rich in nutrients. They are rich in nutrients like nitrogen, phosphorous, etc. 3. They are absorbed slowly by plants. They are easily and rapidly absorbed by plants. 4. … Read more
S.N Exotoxin Endotoxin 1. It is released outside the cell. It is present inside the cell membrane and released only when the cell lyse. 2. It is proteinous in nature. It is lipoproteinous in nature. 3 It is heat labile generally. It is heat stable generally. 4 It is mostly secreted by gram positive … Read more
S.N Metals Non- metals 1. Metals are solid at ordinary temperature except mercury. Non-metals are found in all three states. 2. They possess metallic lustre except lithium. They do not possess any metallic lustre except iodine and graphite. 3. They are generally hard except sodium … 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 Antigens Antibodies 1. Commonly called “antibodies generating chemicals” or immunogens. Commonly called immunoglobulins. 2. Both proteinous or polysachharides. Always proteinous in nature. 3. They are present on the cell membrane. They are present in the plasma. 4. These stimulate the immunity of the body. These protect the body from infections. 5. May be a … Read more
Chlorophyceae Phaeophyceae Rhodophyceae Commonly known as green algae. Commonly known as brown algae. Commonly known as red algae. Mostly found in aquatic habitats. Mostly marine. Mostly found in warm marine water. A few are terrestrial or marine. Only a few are found in fresh water. A few are found … Read more