1. Who hypothesized that cowpox somehow conferred protection against small pox? 2. The production of antibodies by the body against foreign molecules is known as? 3. The ability of the body to resist damage by the foreign objects is known as? 4. The study of immunity and defence mechanism of the body is known as? 5. Latin word immunis means? The condition in which the guard cells become limp, soft and weak is known as? Potassium ions enter guard cells from the surrounding epidermal cells by? The loss of water vapours by evaporation from aerial parts of the plant body is known as?
The attractive force between water molecules and other substances is known as? The network of individually weak hydrogen bonds within water molecule collectively produce a force known as? The upward movement of water within the narrow tubes like xylem is known as? The phenomenon in which the cell regain its shape after being plasmolysed is known as? Movement of cell sap involving the cytoplasmic connection of adjacent cells is known as? The source of energy in the photosynthesis is? The movement of molecules from a region of their higher Concentration to the region of lower concentration is known as?
In the presence of light, the process of photosynthesis? The tounge like structure in the mouth of mollusks is called as? The larvae of mollusks is known as? Ascaris lumbericoides is an intestinal parasite of? Enterobius vermicularis is commonly known as? In mollusks, most of the internal organs are present in the? Exchange of gases in flatworms takes place through? The phylum achelminthes is also known as? Coral reefs are formed by? Flatworms are included in the phylum? The name platyhelminthes is given to the phylum because they are?