S.N Unicellular organisms Multicellular organisms 1. Made up of single cell. Made up of several cells. 2. There is no division of labour. There is division of labour. 3. Comparatively larger in size. Smaller in size. 4. Unable to exhibit wide range of different functions. More efficient and carries out a number of activities. 5. … Read more
S.N DNA RNA 1. It stands for deoxyribonucleic acid. It stands for ribonucleic acid. 2. It is double stranded except in some viruses. It is single stranded exception some viruses. 3. It is self-replicating. It is synthesized from DNA or on as needed basis. 4. The sugar portion of DNA is 2-deoxyribose. The sugar portion … Read more
S.N RBC WBC 1. RBC stands for red blood cells. WBC stands for white blood cells. 2. They are also known as erythrocytes. They are also known as leucocytes. 3. They are small biconcave and non nucleated. They are comparatively larger, amoeboid and nucleated 4. Much more in number. Much less in number. 5. Around … Read more
S.N Algae Fungi 1. They belong to kingdom Monera and Plantae. They belong to kingdom fungi. 2. Mode of nutrition is autotrophic. Mode of nutrition is saprophytic or parasitic. 3. They are photosynthetic. They are non- photosynthetic. 4. They contain chlorophyll. They do not contain chlorophyll. 5. They may be unicellular or multicellular. They are … Read more
S.N Axons Dendrites 1. They take message away from the cell body. They bring information to the cell body. 2. They have smooth surface. They have rough surface due to dendritic spines. 3. Generally there is one axon per cell. Usually many dendrites per cell. 4. Nissl’s granules are absent . Nissl’s granules are present … Read more
S.N Xylem Phloem 1. Made up of dead cells except xylem parenchyma. Made up of living cells except phloem fibres. 2. Conducts water and minerals from roots to the leaves. Conducts prepared foods from leaves to the different parts of the plant. 3. Also called wood. Also called bast. 4. Composed of vessels, tracheids, parenchyma … Read more
S.N Meristematic tissues Permanent tissues 1. Cells are continuously dividing and the process is rapid. Cells do not divide continuously. 2. Thin walled cells. Thin walled or thick walled cells. 3. Made up of simple undifferentiated cells. Cells are differentiated. 4. Have power of cell division. Do not have power of cell division. 5. Cells … Read more
S.N Homogeneous mixture Heterogeneous mixture 1. The prefix “homo” indicate sameness. The prefix “hetero” indicates difference. 2. It has uniform composition. It has non uniform composition. 3. All solutions are homogeneous mixture. All suspensions are heterogeneous in nature. 4. Component particles are distributed equally. Component particles are unevenly distributed. 5. Particles cannot be seen by … Read more
S.N Transverse waves Longitudinal waves 1. Vibrations of medium particles are perpendicular to the direction of the propagation of wave. Vibrations of medium particles are along the direction of the propagation of the wave. 2. Produced in solids and liquids. Produced in solids, liquids and gases. 3. Consists of crest and trough. Consists of compression … Read more
S.N Self-pollination Cross-pollination 1. Transfer of pollen grains to the stigma of same flower or to the stigma of another flower of the same plant. Transfer of pollen grains from the anther of a flower to the stigma of another flower borne on a different plant. 2. Anthers and stigma mature at the same time. … Read more