Ascariasis is a common helminthic disease caused by:
A. Ascaris lumbricoides
B. Wuchereria bancrofti
C. Taenia solium
D. Ancylostoma duodenale
Answer: Option A
Solution (By JKExamLibrary)
Ascariasis is caused by the large roundworm Ascaris lumbricoides, which is the most common human helminth infection globally. Infection occurs through the ingestion of embryonated eggs from contaminated soil, food, or water. The worms reside in the small intestine and can cause malnutrition, intestinal blockage, and other complications.
Explanation:
The pyloric sphincter is a ring of smooth muscle at the junction of the stomach and duodenum. It controls the release of chyme from the stomach into the small intestine in small amounts. The cardiac sphincter is between the esophagus and stomach, ileocecal valve between small and large intestine.
Explanation:
Smooth endoplasmic reticulum (SER) lacks ribosomes and is the site of lipid synthesis, including phospholipids and steroids. It also detoxifies drugs and poisons. Rough ER synthesizes proteins, Golgi modifies and packages molecules, lysosomes degrade waste. SER is abundant in cells producing steroid hormones.
Explanation:
Glycogen is the storage polysaccharide in animals, highly branched, stored in liver and muscles. Starch is plant storage, cellulose plant structural.
No comments yet. Be the first to start the discussion!