This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Biology – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In what phase of the cell cycle does DNA replication take place? A) G2. B) G1. C) S. D) M. Show Answer Correct Answer: C) S. 2. Which of the following is a structure found in plant cell only? A) Golgi bodies. B) Chlorophyll. C) Protoplasm. D) Nucleus. Show Answer Correct Answer: B) Chlorophyll. 3. Why are ice cores useful to scientists? A) They are used to measure the Earth's current temperature. B) They allow for scientists to measure the amount of radiation is being received by the Earth. C) They can be used to measure to the rising ocean levels over certain periods of time. D) They allow for scientists to see changes in temperature and the amount of C02 in the atmosphere at the time the ice was formed. Show Answer Correct Answer: D) They allow for scientists to see changes in temperature and the amount of C02 in the atmosphere at the time the ice was formed. 4. These two kingdoms contain multicellular heterotrophs. A) Fungus and plant. B) Plant and animal. C) Fungus and plant. D) Fungus and animals. Show Answer Correct Answer: D) Fungus and animals. 5. ..... can include the boundaries in which organisms live, the resources organisms compete for, the climate, and competition within the ecosystem. A) Limiting factors. B) Carrying capacity. C) Biotic factors. D) Ecosystems. Show Answer Correct Answer: A) Limiting factors. 6. When a snails shell is tapped it retreats into it. The more you tap the shell the longer it takes to retreat and eventually it stops altogether, why is this an advantage to the snail? A) Gives them exercise. B) Saves energy once they have learnt their is no danger. C) They don't like being in their shell. D) Its random. Show Answer Correct Answer: B) Saves energy once they have learnt their is no danger. 7. PKU is the abbreviated name for ..... A) Phenylketonuria. B) Phenylketanuria. C) Phenylketonaria. D) Pheynlketonuria. Show Answer Correct Answer: A) Phenylketonuria. 8. A symbiotic relationship where one organism benefits and the other is harmed. A) Commensalism. B) Predation. C) Parasitism. D) Mutualism. Show Answer Correct Answer: C) Parasitism. 9. If you look at a cell under a microscope, which phase is it MOST likely to be in? A) Interphase. B) G1 Phase. C) Cytokinesis. D) M phase. Show Answer Correct Answer: A) Interphase. 10. Pulmonary veins transport A) Oxygenated blood from the lungs to the heart. B) Deoxygenated blood from the heart to the lungs. C) Bluish red deoxygenated blood. D) Red oxygenated blood. Show Answer Correct Answer: A) Oxygenated blood from the lungs to the heart. 11. Which of these best describes the correct sequence in the expression of a trait? A) Trait $\rightarrow$ gene$\rightarrow$ enzyme. B) Gene $\rightarrow$ trait $\rightarrow$ DNA. C) Protein $\rightarrow$ gene $\rightarrow$ trait. D) Gene$\rightarrow$ protein $\rightarrow$ trait. Show Answer Correct Answer: D) Gene$\rightarrow$ protein $\rightarrow$ trait. 12. Number of chambers in human heart is A) 3. B) 4. C) 1. D) 2. Show Answer Correct Answer: B) 4. 13. Which region in the leaf of a green plant contains phloem? A) Spongy mesophyll. B) Vascular bundle. C) Upper epidermis. D) Palisade mesophyll. Show Answer Correct Answer: B) Vascular bundle. 14. How is the doubling of chromosomes prevented in each generation? A) Meiosis is a halving mechanism. B) Mitosis occurs. C) Body cells combine to form a zygote. D) All gametes are diploid. Show Answer Correct Answer: A) Meiosis is a halving mechanism. 15. How many chambers does a frog's heart have? A) 4. B) 1. C) 3. D) 2. Show Answer Correct Answer: C) 3. 16. TT, tt, PP, pp, SS, ss are examples of alleles that are? A) Different. B) Heterozygous. C) Homologous. D) Homozygous. Show Answer Correct Answer: D) Homozygous. 17. The kinases that drive the cell cycle are actually present at a constant concentration in a growing cell, but much of the time they are inactive. To be active, kinases must be attached to a A) Centromere. B) Centrosome. C) Chromosome. D) Cyclin. Show Answer Correct Answer: D) Cyclin. 18. What is trisomy 21? A) A single chromosome at Chromosome 21. B) Too many chromosomes at Chromosome 21 (Down Syndrome). C) Non-disjunction of Chromosome 56. D) Too many chromosomes at Chromosome X (Triple X-Syndrome). Show Answer Correct Answer: B) Too many chromosomes at Chromosome 21 (Down Syndrome). 19. What does the word polly means? A) A part of something. B) Many. C) Things that hold together. D) Polymer. Show Answer Correct Answer: B) Many. 20. Which statement best describes the flow of energy as it passes through the organisms in the pyramid (read carefully) A) Energy flows through the organisms from bottom to top and increases at each level. B) Energy flows through the organisms from bottom to top and stays the same at each level. C) Energy flows through the organisms from top to bottom and inc. at each level. D) Energy flows through the organisms from bottom to top and decreases at each level. Show Answer Correct Answer: A) Energy flows through the organisms from bottom to top and increases at each level. 21. What is a Heterotroph A) Eats only Autotrophs. B) Eats Autotrophs and other Heterotrophs. C) Makes their own food. D) Uses the Sun to make it's food. Show Answer Correct Answer: B) Eats Autotrophs and other Heterotrophs. 22. Which choice represents the correct order from biggest to smallest? A) Organisms-DNA/genes-biosphere-ecosystems-cells. B) Biosphere-ecosystems-organisms-cells-DNA/genes. C) Ecosystems-cells-biosphere-organism-DNA/genes. D) DNA/genes-cells-organisms-ecosystems-biosphere. Show Answer Correct Answer: B) Biosphere-ecosystems-organisms-cells-DNA/genes. 23. How can photosynthesis be related to cellular respiration? A) What's produced (made) by one is needed (the reactants) for the other. B) They both produce the same products. C) They both have the same reactants (need the same things). D) These 2 processes have nothing in common. Show Answer Correct Answer: A) What's produced (made) by one is needed (the reactants) for the other. 24. Who is the father of morphology? A) Merriam. B) Aristotle. C) Carolus Linnaeus. D) Wilhelm Homfmeister. Show Answer Correct Answer: D) Wilhelm Homfmeister. 25. The ability of an ecosystem to return to its original state after being disturbed A) Keystone species. B) Limiting factors. C) Invasive species. D) Resilience. Show Answer Correct Answer: D) Resilience. 26. Who discovered cell's nucleus? A) Robert Hooke. B) James Watson. C) Rachel Carson. D) Robert Brown. Show Answer Correct Answer: D) Robert Brown. 27. For cells to stay alive they require what type of SA:V? A) Large SA, Large V. B) Small SA, Large V. C) Large SA, Small V. D) Small SA, Small V. Show Answer Correct Answer: C) Large SA, Small V. 28. Vitamins A, E, D, K are all ..... A) Neither fat nor water soluble. B) Fat and Water soluble. C) Fat soluble. D) Water soluble. Show Answer Correct Answer: C) Fat soluble. 29. What is the branch of science concerned with the chemical and physicochemical processes that occur within living organisms? A) Biology. B) Ecology. C) Botany. D) Biochemistry. Show Answer Correct Answer: D) Biochemistry. 30. What is the gas we breath out that plants use for photosynthesis? A) Sulfur. B) Oxygen. C) Carbon dioxide. D) Hydrogen. Show Answer Correct Answer: C) Carbon dioxide. 31. Mitosis is the division of the ..... cytokinesis is the division of the ..... A) Cytoplasm, nucleus. B) Nucleus, cytoplasm. C) DNA, nucleus. D) Cytoplasm, DNA. Show Answer Correct Answer: B) Nucleus, cytoplasm. 32. Where does our energy originate from A) Plants. B) Other animals. C) Sun. D) Consumers. Show Answer Correct Answer: C) Sun. 33. Which taxon has the most diversity within it group? A) Family. B) Phylum. C) Species. D) Genus. Show Answer Correct Answer: B) Phylum. 34. What does Endothermic mean? A) Type of system describing most reptiles. B) Warm Blooded; Temp stays constant. C) Cold blooded; Changes temp with environment. D) An animal that warms it's body using the environment. Show Answer Correct Answer: B) Warm Blooded; Temp stays constant. 35. In a chemical reaction, bonds are broken and new bonds are formed that create new substances. The bonds that are broken are called what? A) Catalysts. B) Reactants. C) Atoms. D) Products. Show Answer Correct Answer: B) Reactants. 36. How many total ATP are generated in anaerobic respiration? A) 40. B) 36. C) 4. D) 30. E) 2. Show Answer Correct Answer: E) 2. 37. Proteins make ..... percent by weight of blood plasma A) 50-60. B) 0.9. C) 7-9. D) 90-92. Show Answer Correct Answer: C) 7-9. 38. Which list does NOT include biotic factors? A) Decayed zebra, bird eggs, poo from a kangaroo. B) Elephants, zebras, acacia trees, bushes, bacteria. C) Rocks, water, temperature, sun, clouds. D) Algae, seaweed, fungi. Show Answer Correct Answer: C) Rocks, water, temperature, sun, clouds. 39. Which of the following is NOT needed for photosynthesis to take place? A) Sunlight. B) Carbon dioxide. C) Oxygen. D) Water. Show Answer Correct Answer: C) Oxygen. 40. Which structure, A to D, is not an example of a surface that is specialised for the purpose of gas exchange? A) Leaf of a tobacco plant. B) Plasma membrane of a unicellular protoctista. C) Alveolus of a mammal. D) Trachea of an insect. Show Answer Correct Answer: B) Plasma membrane of a unicellular protoctista. 41. What defines an essential nutrient? A) Essential nutrients can only be found in fat soluble tissues. B) Essential nutrients include some Vitamins. C) Essential nutrients cannot be synthesized by the body. D) Essential nutrients are difficult to obtain. Show Answer Correct Answer: C) Essential nutrients cannot be synthesized by the body. 42. Cells are often called "the ..... of life." A) Building blocks. B) Road map. C) Bread. D) Meaning. Show Answer Correct Answer: A) Building blocks. 43. What are the products of photosynthesis? A) Water and carbon dioxide. B) Oxygen and glucose. C) Oxygen and carbon dioxide. D) Oxygen and water. Show Answer Correct Answer: B) Oxygen and glucose. 44. What best describes a group of undifferentiated plant cells produced by micropropagation? A) Callus. B) Embryoid. C) Plant. D) None of above. Show Answer Correct Answer: A) Callus. 45. Which adaptation is correct for a lion? 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: D) Sharp claws and teeth for killing prey. 46. Which of the following belong to main elements which are needed by plants? A) Manganese. B) Zinc. C) Potassium. D) Boron. Show Answer Correct Answer: C) Potassium. 47. What is the most common example of molecules? A) Ts-tennessine. B) H2o-oxygen. C) U-uranium. D) Ne-neon. Show Answer Correct Answer: B) H2o-oxygen. 48. Which property of a gas means that it is classed as a greenhouse gas? A) They trap some of the long-wave radiation emitted by the Earth's surface. B) They dissolve in rainwater to produce acid rain. C) They are only produced by human activity. D) They prevent short-wave radiation from reaching the Earth's surface. Show Answer Correct Answer: A) They trap some of the long-wave radiation emitted by the Earth's surface. 49. Based only on the sex chromosomes in typical human egg and sperm cells at fertilization, the probability of producing a female is A) 25%. B) 75%. C) 50%. D) 90%. Show Answer Correct Answer: C) 50%. 50. Which name is given to a group of individuals that can reproduce to produce fertile offspring? A) A genus. B) A kingdom. C) A species. D) An organ system. Show Answer Correct Answer: C) A species. 51. What is the purpose of an enzyme? A) Speed up reactions. B) Give permission for the reaction. C) Raise activation energy. D) Control how many reactions occur. Show Answer Correct Answer: A) Speed up reactions. 52. Energy flows through a food chain from ..... A) A consumer to one producer. B) A consumer to one or more producers. C) Producer to producer. D) A producer to one or more consumers. Show Answer Correct Answer: D) A producer to one or more consumers. 53. Which of the following is true of the hepatic portal vein? I. it carries deoxygenated bloodII. it delivers nutrients from the gut to the liverIII. it takes blood from the heart to the liver A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: A) I and II only. 54. Parent 1:GgBBparent 2:ggBbFind the gametes for parent 1. A) Gg, Bb, gB, gb. B) Gg, BB, GB, GB. C) GB, gb, gB, gb. D) GB, GB, gB, gB. Show Answer Correct Answer: D) GB, GB, gB, gB. 55. What reason do scientists give for saying that viruses are not living organisms? A) They cannot reproduce without the aid of a host. B) They do not metabolize food into energy. C) They do not have organized cells. D) All of the above. E) None of the above. Show Answer Correct Answer: D) All of the above. 56. Examples of fungi: A) Algae, mushrooms, and Staphylococcus. B) Amoeba, molds, and Salmonella. C) Water molds, yeast, and E. coli. D) Yeast, mushrooms and molds. Show Answer Correct Answer: D) Yeast, mushrooms and molds. 57. What is meristematic tissue AND where is it found? A) Undifferentiated tissue; throughout entire plant. B) Undifferentiated tissue; in apical and lateral meristems. C) Differentiated tissue, throughout plant. D) Differentiated tissue; in apical and lateral meristems. Show Answer Correct Answer: B) Undifferentiated tissue; in apical and lateral meristems. 58. Which of the following is not true of loading phloem sieve tubes? A) Pump proteins move protons by active transport. B) Co-transporter proteins move protons outside the cell. C) Sucrose is moved into the cell by co-transport. D) Energy in a proton gradient is used to move sucrose into the cell. Show Answer Correct Answer: B) Co-transporter proteins move protons outside the cell. 59. Which structures are found in every living cell? A) Cell membrane and cytoplasm. B) Chloroplasts and mitochondria. C) A cell wall and nucleus. D) Chloroplasts and cell wall. Show Answer Correct Answer: A) Cell membrane and cytoplasm. 60. Which of the following terms best describes all the white-tailed deer in a particular forest? A) Ecosystem. B) Population. C) Individual. D) Community. Show Answer Correct Answer: B) Population. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books