1. The dental disease characterized by bleeding and presence of pus in gums is Periodontitis.

1. The dental disease characterized by bleeding and presence of pus in gums is Periodontitis. $$\boxed{\text{Periodontitis}}$$ 2. i) Photolysis occurs in the thylakoid membranes of the chloroplast. $$\boxed{\text{Thylakoid membranes}}$$ ii) Carbon (IV) oxide fixation occurs in the stroma of the chloroplast. $$\boxed{\text{Stroma}}$$ 3. The ovarian wall is a somatic cell, so $2n = 16$ chromosomes. i) The uterine wall is also a somatic cell. $$\boxed{16}$$ ii) An ovum is a gamete, which is haploid ($n$). $$n = \frac{2n}{2} = \frac{16}{2} = 8$$ $$\boxed{8}$$ 4. i) The causative agent of Typhoid is Salmonella typhi. $$\boxed{\text{Salmonella typhi}}$$ ii) The causative agent of Amoebic dysentery is Entamoeba histolytica. $$\boxed{\text{Entamoeba histolytica}}$$ iii) The causative agent of Syphilis is Treponema pallidum. $$\boxed{\text{Treponema pallidum}}$$ 5. Antidiuretic hormone (ADH) increases the permeability of the collecting ducts and distal convoluted tubules in the kidneys to water, promoting water reabsorption and maintaining water balance in the body. $$\boxed{\text{Increases water reabsorption in kidneys to maintain water balance}}$$ Send me the next one 📸