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