MCQs Zoology-25 Posted on 2025-11-142025-12-03Author admin 0 Table of Contents Toggle MCQs Zoology-25MCQs Zoology-25 MCQs Zoology-25 1. A protoplast is best defined as _____________ The living part of a cell, including the cytoplasm and nucleus A plant cell, after removing its cell wall, containing the plasma membrane and all cellular contents it surrounds A plant cell with its cell wall removed The plasma membrane and all cellular contents it surrounds 2. The discovery of the first chemical mutagen, mustard gas, was made by __________. Charlotte Auerbach and J.M. Robson Joshua Lederberg Herman Muller Thomas Hunt Morgan 3. The animal most closely related to the sparrow in evolutionary terms is __________ Frog Pigeon Grasshopper Monkey 4. Low oxygen concentration is required by ___________ Facultative bacteria Microaerophilic bacteria Anaerobic bacteria Aerobic bacteria 5. Protista are diverse group of microrganisms, and are believed as precursors of __________ Blue-green algae Plants Bacteria Cyanobacteria 6. What is the defining feature of metameric segmentation? Bilateral body symmetry Presence of external appendages Radial body symmetry Repetition of similar internal and external body units 7. Which of the following organisms possesses a gastrovascular cavity instead of a complete digestive tract? Insects Jellyfish Fish Humans 8. Hybrid vigor is most often observed in the __________ generation. F3 F1 Parental F2 9. The opposite of inbreeding depression is __________. Genetic drift Hybrid sterility Hybrid vigor Linebreeding 10. _____________ is a type of white blood cell, however, is not a lymphocyte B cell Natural Killer cell Monocyte T cell Loading … MCQs Zoology-25
