This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Biology – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Prevailing weather patterns for a particular region. A) Climate. B) Boundaries. C) Global warming. D) Ice age. Show Answer Correct Answer: A) Climate. 3. 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. 4. 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. 5. 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. 6. What is a halophyte? A) Air dwelling plant. B) Arid dwelling Plant. C) Aquatic dwelling Plant. D) Salt dwelling plant. Show Answer Correct Answer: D) Salt dwelling plant. 7. Includes collagen, hemoglobin and insulin A) Nucleic Acids. B) Lipids. C) Carbohydrates. D) Proteins. Show Answer Correct Answer: D) Proteins. 8. 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. 9. Which force causes water molecules to be drawn out of the xylem walls at the leaf? A) Gravity. B) Tension. C) Cohesion. D) Adhesion. Show Answer Correct Answer: D) Adhesion. 10. How many daughter cells does mitosis produce? A) 2. B) 8. C) 4. D) 6. Show Answer Correct Answer: A) 2. 11. Which of the following is NOT a characteristic shared by all living organisms? A) Ability to move. B) Ability to grow and develop. C) Made up of one or more cells. D) Responds to stimuli. Show Answer Correct Answer: A) Ability to move. 12. The statements describe four different plants. Which plant must be a monocotyledons? A) The flowers are wind pollinated. B) The flowers each have 5 petals. C) THe leaves are large with a clear network of veins in them. D) The leaves have parallel veins. Show Answer Correct Answer: C) THe leaves are large with a clear network of veins in them. 13. Plants rely heavily on ..... in the nitrogen cycle to incorporate nitrogen into organic compounds A) Fungi. B) Viruses. C) Oxygen. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 14. Why is the evaporation of water from leaves important? A) It cools leaves and helps move water up the plant. B) It makes the plant wilt. C) It helps the plant to respire. D) None of above. Show Answer Correct Answer: A) It cools leaves and helps move water up the plant. 15. In decreasing order, which greenhouse gases have the largest warming effect within the atmosphere? A) Carbon dioxide, methane, nitrous oxide, water vapor. B) Water vapor, carbon dioxide, methane, nitrous oxide. C) Methane, carbon dioxide, water vapor, nitrous oxide. D) Nitrous oxide, methane, carbon dioxide, water vapor. Show Answer Correct Answer: B) Water vapor, carbon dioxide, methane, nitrous oxide. 16. What is biology? A) Study of past. B) Study of space. C) Study life and living thing. D) None of above. Show Answer Correct Answer: C) Study life and living thing. 17. When would you use the diaphragm? A) When you wanted to put the microscope away. B) When you wanted to adjust the light. C) When you sneeze. D) When you wanted to move the stage. Show Answer Correct Answer: B) When you wanted to adjust the light. 18. Study of ECOSYSTEM. A) Ecology. B) Botany. C) Zoology. D) Genetics. Show Answer Correct Answer: A) Ecology. 19. Enzymes are an example of A) Nucleic Acid. B) Lipids. C) Carbohydrate. D) Protein. Show Answer Correct Answer: D) Protein. 20. The carrying capacity is the ..... A) Potential growth in the number of species in a given area. B) Maximum sustainable population that a given environment can support. C) Limitation on numbers of species in a community. D) Greatest number of different niches possible in a given area. Show Answer Correct Answer: B) Maximum sustainable population that a given environment can support. 21. What is the main role of Kupffer cells in a sinusoid? A) Producing cholesterol. B) Producing plasma proteins. C) Detoxifying blood. D) Breaking down erythrocytes. Show Answer Correct Answer: D) Breaking down erythrocytes. 22. Enzymes provide a site where reactants called substrates can be brought together in an enzyme-catalyzed reaction. The site is called the A) Enzyme substrate complex. B) Reaction site. C) Active site. D) Lock and key. Show Answer Correct Answer: C) Active site. 23. How are prokaryotic and eukaryotic cells similar? A) Both contain a nuclei. B) Both contain ribosomes. C) Both contain membrane-bound organelles. D) Both contain cell walls. Show Answer Correct Answer: B) Both contain ribosomes. 24. The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell. A) Anaphase. B) Metaphase. C) Telephase. D) Prophase. Show Answer Correct Answer: A) Anaphase. 25. What is the best way to place a quadrat? A) Place it where you like. B) Divide the sample area into a grid and use a random number generator to choose a square. C) Throw the quadrat so it's random. D) Divide the sample area into a grid and choose a square. Show Answer Correct Answer: B) Divide the sample area into a grid and use a random number generator to choose a square. 26. A group of tissues that work together to perform a similar function is called ..... (Examples include the heart, lungs or stomach) A) Organ system. B) Cells. C) Tissues. D) Organs. Show Answer Correct Answer: D) Organs. 27. How is/are sinuosoids different to capillaries? I. sinusoids exchange materialsII. sinusoids have fenestrations (open pores)III. sinusoids have a complete basement membrane A) I only. B) II only. C) III only. D) II and III only. Show Answer Correct Answer: B) II only. 28. In human excretion system, the nitrogenous waste produced in the form of A) Urea. B) Uric acid. C) Ammonia. D) Fecal matter. Show Answer Correct Answer: A) Urea. 29. Many of the events of mitosis depend on mitotic spindle fibers which begin to form in the ..... during prophase A) Nucleus. B) Cytoplasm. C) Cell membrane. D) None of above. Show Answer Correct Answer: B) Cytoplasm. 30. Global warming can lead to A) Climate change. B) Litter. C) Oil spills. D) Deforestation. Show Answer Correct Answer: A) Climate change. 31. Classification of living things and extinct organisms A) Palaeontology. B) Taxonomy. C) Morphology. D) Ecology. Show Answer Correct Answer: B) Taxonomy. 32. What controls the flowering process in long-day plants? A) Pfr is converted by red light to Pr which acts as a promoter of flowering. B) Pr is converted by red light to Pfr which acts as a promoter of flowering. C) Pr is converted by red light to Pfr which acts as an inhibitor of flowering. D) Pfr is converted by red light to Pr which acts as an inhibitor of flowering. Show Answer Correct Answer: B) Pr is converted by red light to Pfr which acts as a promoter of flowering. 33. When conditions are right seeds start growing to form a new plant.What is this process called? A) Germination. B) Pollination. C) Fertilisation. D) Nutrition. Show Answer Correct Answer: A) Germination. 34. The edge of the leaf blade is called ..... ' A) Midrib. B) Petiole. C) Leaf base. D) Margin. Show Answer Correct Answer: D) Margin. 35. What type of "square" helps us solve genetic problems? A) Mendel square. B) Genetic square. C) Carpenter square. D) Punnett square. Show Answer Correct Answer: D) Punnett square. 36. The scientific name of a "black flying fox" bat is Pteropus alecto. What genus does the bat belong to? A) Bat genus. B) Alecto. C) Species. D) Pteropus. Show Answer Correct Answer: D) Pteropus. 37. The Venus flytrap is a plant that feeds on insects. When a fly lands on the leaf, the leaf folds very quickly and traps the fly. The leaves produce enzymes which digest the fly. Which characteristics of living organisms are involved? A) Movement, sensitivity, growth. B) Excretion, growth, nutrition. C) Movement, sensitivity, nutrition. D) Movement, excretion, nutrition. Show Answer Correct Answer: C) Movement, sensitivity, nutrition. 38. What was the result of the Miller-Urey Experiment? A) Amino acids. B) Glucose. C) Lipids. D) Nucleotides. Show Answer Correct Answer: A) Amino acids. 39. Prosthetic groups are A) Required by all enzymes. B) Loosely attached. C) Proteins in nature. D) Tightly bound. Show Answer Correct Answer: D) Tightly bound. 40. Veins have valves to A) Prevent the veins from collapse. B) Prevent the back flow of blood. C) Restrict blood flow. D) None of above. Show Answer Correct Answer: B) Prevent the back flow of blood. 41. Which type of cell is bigger? A) Prokaryotic. B) Bacteriophage. C) Eukaryotic. D) Virus. Show Answer Correct Answer: C) Eukaryotic. 42. Which of the following are effects of auxin? I. Increasing the rate of cell elongation in stemsII. Changing the pattern of gene expression in shoot cellsIII. Detecting the direction of light 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. 43. What process best explains how a nerve cell and a muscle cell can both develop from the same fertilized egg? A) Selective breeding. B) Genetic engineering. C) Differentiation. D) Natural selection. Show Answer Correct Answer: C) Differentiation. 44. Which process produces the most variation within a species? A) Asexual reproduction. B) Cloning. C) Mitosis. D) Sexual reproduction. Show Answer Correct Answer: D) Sexual reproduction. 45. The site of photosynthesis A) Ribosome. B) Mitochondria. C) Chloroplast. D) Nucleus. Show Answer Correct Answer: C) Chloroplast. 46. When numerous food chains link to each other in an ecosystem, it is called a(n) A) Food cluster. B) Food web. C) Trophic pyramid. D) Food chain. Show Answer Correct Answer: B) Food web. 47. Hydrophilic means ..... A) Water-fearing. B) Lipid soluble. C) Water-loving. D) Nonpolar. Show Answer Correct Answer: C) Water-loving. 48. 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. 49. How do Photoautrotrophs get energy? A) Eating Big Mac. B) Eating other consumers. C) Sunlight. D) Chemicals. Show Answer Correct Answer: C) Sunlight. 50. During respiration, the glucose converts into pyruvate in A) Cytoplasm. B) Mitochondria. C) Golgi complex. D) Nucleus. Show Answer Correct Answer: A) Cytoplasm. 51. Study of CLASSIFICATION and NAMING of ORGANISMS. A) Taxonomy. B) Phycology. C) Ornithology. D) Science. Show Answer Correct Answer: A) Taxonomy. 52. A dividing line that keeps a organisms from moving into a specific area. A) Competition. B) Adaptation. C) Boundaries. D) Climate. Show Answer Correct Answer: C) Boundaries. 53. Rasping organ in molluscs A) Nephridia. B) Ctenidia. C) Gills. D) Radula. Show Answer Correct Answer: D) Radula. 54. 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. 55. What is the classification of an organism that is able to make organic compounds from inorganic nutrients? A) Saprotroph. B) Autotroph. C) Detritivore. D) Consumer. Show Answer Correct Answer: B) Autotroph. 56. What is a characteristic of amphibians but not A) Using lungs for breathing. B) Four limbs. C) Laying eggs in water. D) Scaly skin. Show Answer Correct Answer: C) Laying eggs in water. 57. 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. 58. Study of organisms and their environment A) Embryology. B) Anatomy. C) Ecology. D) Bacteriology. Show Answer Correct Answer: C) Ecology. 59. Carbon, Hydrogen, Oxygen and Nitrogen are the elements that make up .....? A) Lipid. B) Carbohydrate. C) Nucleic acid. D) Protein. Show Answer Correct Answer: D) Protein. 60. What is one of the reactants of cellular respiration? A) Carbon dioxide. B) Water. C) Energy. D) Glucose. Show Answer Correct Answer: D) Glucose. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books