MCQs Zoology-21 Posted on 2025-11-122025-12-03Author admin 0 Table of Contents Toggle MCQs Zoology-21MCQs Zoology-21 MCQs Zoology-21 1. Insects are generally divided into __________ orders 15 29 20 35 2. Which of the following organisms shows true metameric segmentation? Human Snail Starfish Earthworm 3. In mammals, hydrochloric acid (HCl) is produced by the glandular cells, specifically the parietal cells, of the ______________________ Pancreas Stomach Small intestine Rectum 4. A four-chambered heart is first seen in ________ Amphibians Bony fishes Snakes Crocodilians 5. Which of the following is not a lymphocyte? None of these Platelet B cell T cell 6. __________ are the only mammals capable of true flight Bats Sugar Gliders Flying Squirrels All of these 7. Metameric segmentation is also known as______________ Serial repetition Segmentation Metamerism Modular organization 8. Which transport mechanism is used by protozoa to move gases like oxygen and carbon dioxide across their cell membrane? Simple diffusion Active transport Facilitated diffusion Osmosis 9. ————— process help to maintain cellular homeostasis by regulating ion balance Simple diffusion Facilitated diffusion Osmosis Active transport 10. In animals, the enteron is also known as __________ Blastula Mesoderm Gastrula Archenteron Loading … MCQs Zoology-21