MCQs Biology-29 Posted on December 10, 2025December 10, 2025Author agropublishers 0 Table of Contents Toggle MCQs Biology-29Multiple Choice QuestionsMCQs Biology-29 MCQs Biology-29 Multiple Choice Questions 1. Which of the following enzymes is present in human saliva? Lipase Invertase Trypsin Ptyalin 2. Which of the following treatments is commonly administered to patients diagnosed with cancer? Radiotherapy All of these Gene therapy Antibiotic therapy 3. Chinese population has a higher fertility rate than the Indian people False True 4. The lower esophageal sphincter is a ring of muscle at the junction of the esophagus and the stomach, which prevents ————— Entry of air into the esophagus Backflow of gastric contents Absorption of nutrients Passage of food into the trachea 5. In most fungi and higher plants, somatic cells lack which organelle? Mitochondrion Centriole Golgi body Ribosome 6. The primary mechanism by which cells synthesize ATP during oxidative phosphorylation and photophosphorylation is _____________? Phosphorylation Photosynthesis Chemiosmosis Chemosynthesis 7. Glycogen is a ———— Disaccharide Lipid Monosaccharide Polysaccharide 8. Nitrogen is an essential component of which of the following biomolecules? Lipids Proteins Carbonates Carbohydrates 9. Which enzyme works optimally at an alkaline pH (around 8)? Invertase Pepsin Amylase Trypsin 10. _____________ is the specific enzyme that catalyzes the hydrolysis (breakdown) of the disaccharide sucrose into its constituent monosaccharides: glucose and fructose Invertase Urease Lipase Trypsin Loading … Question 1 of 10 MCQs Biology-29
