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