This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 15 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is true of leaf structure? A) The main site of photosynthesis is the spongy mesophyll cells. B) The lower surface has a thicker waxy cuticle than the upper surface. C) Palisade mesophyll cells are arranged far apart to create air spaces. D) The lower surface contains more stomata than the upper surface. Show Answer Correct Answer: D) The lower surface contains more stomata than the upper surface. 2. Ingenhousz showed that plants produce oxygen bubbles when exposed to ..... A) A burning candle. B) ATP. C) Carbon dioxide. D) Light. Show Answer Correct Answer: D) Light. 3. Which organ produces amylase? A) Gall bladder. B) Liver. C) Esophagus. D) Pancreas. Show Answer Correct Answer: D) Pancreas. 4. Which of the following are true of xylem vessels? I. They have no end wallsII. They have pores (pits) in the outer cell wallIII. They contain lignin 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. 5. In which part of Interphase are the chromosomes replicated? A) G0. B) G1. C) S. D) G2. Show Answer Correct Answer: D) G2. 6. A sinusoid has a fenestrated endothelium.What does this mean? A) It is lined with endothelial cells. B) Endothelial cells have microvilli on their surface. C) There are gaps between endothelial cells. D) Endothelial cells produce mucus. Show Answer Correct Answer: C) There are gaps between endothelial cells. 7. Made of glycerol and fatty acids A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 8. The thick fluid region of a cell located inside the cell membrane or between the cell membrane and nucleus A) Cytoplasm. B) Cell wall. C) Organelle. D) Golgi apparatus. Show Answer Correct Answer: A) Cytoplasm. 9. When one species benefits and the other species is harmed, what do you call the species that is HARMED? A) Parasite. B) Prey. C) Host. D) Predator. Show Answer Correct Answer: C) Host. 10. A large population of cockroaches was sprayed with an insecticide. A few of the cockroaches survived and produced a population of cockroaches that was resistant to this spray. What can best be inferred from this example? A) A species will adapt no matter what the environment. B) The environment has no effect on the survival of an organism. C) Insecticides cause mutations that are passed on to the next generation. D) Individuals with favorable variations survive and reproduce. Show Answer Correct Answer: D) Individuals with favorable variations survive and reproduce. 11. The specific heat capacity of water is A) 4.186 joule/gram $^ \circ$F. B) 4.186 KJ/gram $^ \circ$C. C) 41.86 joule/gram $^ \circ$C. D) 4.186 joule/gram $^ \circ$C. Show Answer Correct Answer: D) 4.186 joule/gram $^ \circ$C. 12. Which adaptation is correct for a polar bear? A) Good hearing to detect predators. B) Large feet to help walk on snow. C) Long deep roots to absorb water from soil. D) Sharp claws and teeth for killing prey. Show Answer Correct Answer: B) Large feet to help walk on snow. 13. Include sugars (ex. glucose) and starches A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: A) Carbohydrates. 14. Flattened cells A) Squamous. B) Cuboidal. C) Columnar. D) None of above. Show Answer Correct Answer: A) Squamous. 15. The assembly of spindle microtubules starts at the A) Centrosome. B) Centromere. C) Centrioles. D) Cytokinesis. Show Answer Correct Answer: A) Centrosome. 16. This organelle takes food and turns it into ENERGY for plant and animal cells. A) Chloroplast. B) Mitochondria. C) Lysosome. D) Ribosome. Show Answer Correct Answer: B) Mitochondria. 17. What do records from the twentieth and twenty-first century show about the concentration of carbon dioxide in the atmosphere? A) An upward trend with no annual fluctuations. B) An upward trend with annual fluctuations. C) Annual fluctuations but no overall trend. D) Random fluctuations and no overall trend. Show Answer Correct Answer: B) An upward trend with annual fluctuations. 18. ..... have 2 functions in the cell membrane. 1.) They act like gatekeepers, only let certain things in. 2.) Enzyme receptors embedded in the membrane. A) Carbohydrates. B) Proteins. C) Phospholipids. D) Cholesterol. Show Answer Correct Answer: B) Proteins. 19. The making of mRNA from DNA is called? A) Transcription. B) Translation. C) Replication. D) Duplication. Show Answer Correct Answer: A) Transcription. 20. Distinguish between short wave radiation and long wave radiation. A) Both short wave radiation and long wave radiation are reemitted as heat back into the atmosphere. B) Long wave radiation comes directly from the sun to be absorbed by the atmosphere while short radiation comes from the sun and is reemitted as heat. C) Short wave radiation comes directly from the sun to be absorbed by the atmosphere while long radiation comes from the sun and is reemitted as heat. D) Both short wave radiation and long wave radiation are absorbed upon reaching earth's atmosphere. Show Answer Correct Answer: C) Short wave radiation comes directly from the sun to be absorbed by the atmosphere while long radiation comes from the sun and is reemitted as heat. ← 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