This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 22 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The yucca plant releases a strong scent when yucca moths are active. The yucca moth is attracted to the scent and gathers pollen from the plant and deposits it along with its eggs on another yucca plant. This insures the moth larvae will have food and the yucca gets pollinated. What relationship does this best illustrate? A) Commensalism. B) Mutualism. C) Parasitism. D) Predation. Show Answer Correct Answer: B) Mutualism. 2. Study of ALGAE A) Phycology. B) Mycology. C) Physiology. D) Parasitology. Show Answer Correct Answer: A) Phycology. 3. Define Surface area A) The total area on the surface of an object. B) Length X Width. C) 6 X (length X width). D) Add up the sides and divide by 4. Show Answer Correct Answer: A) The total area on the surface of an object. 4. Choose one that is NOT a characteristic of life A) Development. B) Organization. C) Evolution. D) Growth. E) Reproduction. Show Answer Correct Answer: C) Evolution. 5. What type of molecule is water? A) Polar. B) Compound. C) Carbon. D) Amino. Show Answer Correct Answer: A) Polar. 6. How is a biological addiction formed? A) The body adapts to the substance, leading you to take more of it to get a similar reaction. B) The brain automatically gets hooked on it. C) Trimethylpurine-2 6 dione converts the substance into a specific energy source the brain works best on. D) None of above. Show Answer Correct Answer: A) The body adapts to the substance, leading you to take more of it to get a similar reaction. 7. Holdfast, Stipe and frond are usually found in members of A) Chlorophyceae. B) Phaeophyceae. C) Rhodophyceae. D) All algae. Show Answer Correct Answer: B) Phaeophyceae. 8. A leaf with more than one blade. A) Simple. B) Compound. C) Both. D) None of above. Show Answer Correct Answer: B) Compound. 9. Which of the following correctly shows the organization in an ecosystem, from smallest to the largest level A) Community/ecosystem/organism/ populations. B) Ecosystem, community, population, organism. C) Organism/ population/ community/ ecosystem. D) Population, community, ecosystem, organism. Show Answer Correct Answer: C) Organism/ population/ community/ ecosystem. 10. Plants need ..... as a reactant for photosynthesis. A) Oxygen. B) Soil. C) Carbon dioxide. D) Sugar. Show Answer Correct Answer: C) Carbon dioxide. 11. What process can cause cells to elongate? A) The movement of protons into the cell wall; loosening of the cellulose; efflux of water. B) The movement of protons into the cell wall; loosening of the cellulose; influx of water. C) The movement of protons into the cytoplasm; loosening of the cell wall; influx of water. D) The movement of protons into the nucleus; activating genes to loosen the cell wall; influx of water. Show Answer Correct Answer: B) The movement of protons into the cell wall; loosening of the cellulose; influx of water. 12. The enzyme that unzips the DNA to prepare for replication A) Helicase. B) Replicase. C) Polymerase. D) Synthase. Show Answer Correct Answer: A) Helicase. 13. What is Mendel's Law of Independent Assortment? A) Just because you get one allele for one gene, doesn't mean you'll get another allele for another gene. The genes are unlinked. B) All genes come together regardless of where they are or what chromosome they are on. C) All alleles are the same for the same species. D) Gametes are guaranteed to get specific alleles on on every single chromosome. Show Answer Correct Answer: A) Just because you get one allele for one gene, doesn't mean you'll get another allele for another gene. The genes are unlinked. 14. Prevailing weather patterns for a particular region. A) Ice age. B) Global warming. C) Climate. D) Boundaries. Show Answer Correct Answer: C) Climate. 15. In micropropagation, which of the following is/are true of a callus? I. it contains genetically identical cellsII. it is split apart into separate cellsIII. it contains unspecialised cells A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 16. Why is the hepatic portal vein so important? A) It carries deoxygenated blood to the liver. B) It supplies the liver with glucose for aerobic respiration. C) It allows the liver to control the levels of nutrients before they are returned to the blood. D) It takes broken down toxins away from the liver. Show Answer Correct Answer: C) It allows the liver to control the levels of nutrients before they are returned to the blood. 17. What is earths atmosphere a mixture of? A) Nitrogen, oxygen, and other gasses. B) Oxygen, plants, gasses. C) Only oxygen. D) Only gasses. Show Answer Correct Answer: A) Nitrogen, oxygen, and other gasses. 18. What is a halophyte? A) Aquatic dwelling Plant. B) Arid dwelling Plant. C) Salt dwelling plant. D) Air dwelling plant. Show Answer Correct Answer: C) Salt dwelling plant. 19. Includes collagen, hemoglobin and insulin A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: C) Proteins. 20. What is non-disjunction? A) A failure of chromosomes to separate at anaphase. B) A hip new pop band. C) When chromosomes pair up at the equator. D) When chromosomes separate at anaphase. Show Answer Correct Answer: A) A failure of chromosomes to separate at anaphase. ← 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