The type of reproduction that involves only one parent and no gamete fusion is: MCQ with Answer and Explanation

Explanation:
Type 1 diabetes mellitus is an autoimmune disease where beta cells of the pancreas are destroyed, leading to little or no insulin production. Patients require insulin injections. Type 2 involves insulin resistance. Diabetes insipidus involves ADH deficiency, Cushing's syndrome is cortisol excess.

Explanation:
Edward Jenner, in 1796, observed that milkmaids who had cowpox were immune to smallpox. He used material from cowpox lesions to inoculate a boy, who later proved immune to smallpox. This was the first successful vaccine. Rabies vaccine was developed by Louis Pasteur, polio vaccine by Jonas Salk, TB vaccine (BCG) by Calmette and Guérin. Smallpox has been eradicated globally.

Explanation:
Approximately 70% of CO2 is transported in the blood as bicarbonate ions (HCO3-). CO2 diffuses into red blood cells, where it reacts with water to form carbonic acid, catalyzed by the enzyme carbonic anhydrase. Carbonic acid then dissociates into H+ and HCO3-, which moves into the plasma. About 20-25% is carried as carbaminohemoglobin.