This quiz works best with JavaScript enabled. Home > Science > Biology > Biological Sciences – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biological Sciences Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Collection of all ecosystems. A) COMMUNITY. B) POPULATION. C) BIOSPHERE. D) ORGANISM. Show Answer Correct Answer: C) BIOSPHERE. 2. All vertebrates have this structure which indicates that they are evolved from a distant same ancestor A) A chambered heart. B) Lungs for breathing air. C) Kidneys to clean the blood. D) Pharyngeal Pouches. Show Answer Correct Answer: D) Pharyngeal Pouches. 3. A body part that is not used or not working by a modern organism but which was needed by its ancestors is called a A) Homologous structure. B) Analogous Structure. C) Vestigial Structure. D) Pharyngeal Pouch. Show Answer Correct Answer: C) Vestigial Structure. 4. Which kind of a structure is it? A bat's wing and a butterfly's wing? A) Homologous. B) Analogous. C) Vestigial. D) Pharyngeal. Show Answer Correct Answer: B) Analogous. 5. What is an circadian rhythm? A) Biological rhythm which lasts around 24 hrs. B) Biological rhythm which is under 24 hrs. C) Biological rhythm which lasts longer than 24 hrs. D) None of above. Show Answer Correct Answer: A) Biological rhythm which lasts around 24 hrs. 6. Evolved from the same ancestor, but have different functions A) Homologous structures. B) Analogous structures. C) Vestigial structures. D) All of the above. Show Answer Correct Answer: A) Homologous structures. 7. Silverfish and termite are. A) Birds. B) Insects. C) Mollusk. D) Fish. Show Answer Correct Answer: B) Insects. 8. Which of the following nutrients is important for body, cell, and muscle growth and repair? A) Vitamins. B) Fats. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: C) Proteins. 9. The solar radiation shorter than 390 millimicron is the. A) Ultraviolet light. B) Ultrared light. C) Visible light. D) Infra-red light. Show Answer Correct Answer: A) Ultraviolet light. 10. Fossil evidence indicate that the earliest terrestrial vertebrates ware primitive. A) Mammals. B) Aves. C) Amphibians. D) Reptiles. Show Answer Correct Answer: C) Amphibians. 11. Which kind of a structure is it? A bird's wing and a human forearm A) Homologous. B) Analogous. C) Vestigial. D) Pharygeal Pouch. Show Answer Correct Answer: A) Homologous. 12. Name the post-mortem examination. A) Autopsy. B) Biopsy. C) Osmolysis. D) Metaphase. Show Answer Correct Answer: A) Autopsy. 13. The kind of blood circular system which does not permit whole blood to come in direct contact with cell is known as. A) Open blood circular system. B) Empty blood circular system. C) Dosed blood circular system. D) Full blood circular system. Show Answer Correct Answer: C) Dosed blood circular system. 14. Felis domesticus is the botanical name of. A) Monkey. B) Rat. C) Lion. D) Cat. Show Answer Correct Answer: D) Cat. 15. What is a cell? A) The basic unit of life. B) A group of tissues working together to perform a function. C) The largest level of biological organization. D) None of above. Show Answer Correct Answer: A) The basic unit of life. 16. In multicellular animals, much of digestion occurs in digestive tract but. A) Inside the cells. B) Outside the cells. C) Within the cells. D) Inside the nucleus. Show Answer Correct Answer: B) Outside the cells. 17. What level of biological organization is the largest (includes all other levels)? A) Organ. B) Organ systems. C) Organism. D) Cells. Show Answer Correct Answer: C) Organism. 18. Which vitamin helps in healing of wounds and mending fractures? A) Vitamin K. B) Vitamin B. C) Vitamin C. D) Vitamin B2. Show Answer Correct Answer: C) Vitamin C. 19. Regions of the planet with similar types of life and climates are called A) Biomes. B) Kingdoms. C) Spheres. D) Systems. Show Answer Correct Answer: A) Biomes. 20. Breaking down but not removal of rocks. A) Weathering. B) Exfoliation. C) Physical Weathering. D) Oxidation. Show Answer Correct Answer: A) Weathering. ← PreviousNext →Related QuizzesScience QuizzesBiological Sciences Quiz 1Biological Sciences Quiz 2Biological Sciences Quiz 3Biological Sciences Quiz 5Biological Sciences Quiz 6Biological Sciences Quiz 7Biological Sciences Quiz 8Biological Sciences Quiz 9Biological Sciences Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books