This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 25 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following describes the importance of biodiversity to an ecosystem? A) People like to be able to see all the different plants and animals. B) If there aren't all the different species, there will be resources that aren't being used. C) Biodiversity is not as important as many people think. D) Biodiversity can help minimize the effects of losing a species. Show Answer Correct Answer: D) Biodiversity can help minimize the effects of losing a species. 2. How do Photoautrotrophs get energy? A) Sunlight. B) Chemicals. C) Eating Big Mac. D) Eating other consumers. Show Answer Correct Answer: A) Sunlight. 3. Morphology A) Structure and function of cells. B) Form and structure of organisms. C) Heredity and genetic variation. D) Geographical distribution of organisms. Show Answer Correct Answer: B) Form and structure of organisms. 4. During respiration, the glucose converts into pyruvate in A) Mitochondria. B) Nucleus. C) Cytoplasm. D) Golgi complex. Show Answer Correct Answer: C) Cytoplasm. 5. Study of CLASSIFICATION and NAMING of ORGANISMS. A) Ornithology. B) Taxonomy. C) Phycology. D) Science. Show Answer Correct Answer: B) Taxonomy. 6. A dividing line that keeps a organisms from moving into a specific area. A) Boundaries. B) Climate. C) Competition. D) Adaptation. Show Answer Correct Answer: A) Boundaries. 7. Rasping organ in molluscs A) Ctenidia. B) Nephridia. C) Radula. D) Gills. Show Answer Correct Answer: C) Radula. 8. Scorpions stalk, kill, and eat a spider. Which 3 ecological terms best describes the scorpion? A) Predator, Carnivore, and Consumer. B) Predator, Herbivore, and Autotroph. C) Producer, Herbivore, and Decomposer. D) Producer, Carnivore, and Heterotroph. Show Answer Correct Answer: A) Predator, Carnivore, and Consumer. 9. What is the classification of an organism that is able to make organic compounds from inorganic nutrients? A) Autotroph. B) Consumer. C) Detritivore. D) Saprotroph. Show Answer Correct Answer: A) Autotroph. 10. What is a characteristic of amphibians but not A) Four limbs. B) Laying eggs in water. C) Scaly skin. D) Using lungs for breathing. Show Answer Correct Answer: B) Laying eggs in water. 11. What is not part of a neuron A) Dendrites. B) Cell body. C) Dandrites. D) Nucleus. E) Node of Ranvier. Show Answer Correct Answer: C) Dandrites. 12. Study of organisms and their environment A) Embryology. B) Anatomy. C) Bacteriology. D) Ecology. Show Answer Correct Answer: D) Ecology. 13. Carbon, Hydrogen, Oxygen and Nitrogen are the elements that make up .....? A) Carbohydrate. B) Lipid. C) Protein. D) Nucleic acid. Show Answer Correct Answer: C) Protein. 14. What is one of the reactants of cellular respiration? A) Energy. B) Glucose. C) Carbon dioxide. D) Water. Show Answer Correct Answer: B) Glucose. 15. The waste products of aerobic cellular respiration are ..... A) Alcohol and carbon dioxide. B) Lactic acid and water. C) Carbon dioxide and water. D) Oxygen and water. Show Answer Correct Answer: C) Carbon dioxide and water. 16. The function of the plasma membrane is ..... A) To regulate what enters and leaves the cell. B) Fight bacteria and viruses that enter the cell. C) Provide rigid support and protection to the cell. D) Make sure each cell can move. Show Answer Correct Answer: A) To regulate what enters and leaves the cell. 17. Which direction does the phloem transport materials? A) Up the plant at night and down the plant during the day. B) Up and down the plant all the time. C) Up the plant only. D) Down the plant only. Show Answer Correct Answer: B) Up and down the plant all the time. 18. What is the maindifference between prokaryotic and eukaryotic cells? A) Prokaryotic cells have a nucleus and Eukaryotic cells do not. B) Prokaryotic cells are unicellular and Eukaryotic cells are multicellular. C) Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus. D) Prokaryotic cells are plant cells and Eukaryotic cells are animal cells. Show Answer Correct Answer: C) Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus. 19. This is referred to as the energy currency of the cell A) ADP. B) ATP. C) Mitochondria. D) Nucleus. Show Answer Correct Answer: B) ATP. 20. Study of CELLS A) Cytology. B) Anatomy. C) Botany. D) Ichthyology. Show Answer Correct Answer: A) Cytology. ← PreviousNext →Related QuizzesScience QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books