This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Biology – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 19 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The science that is concerned with the interaction of organisms with each other and with their environment. A) Paleontology. B) Biology. C) Ecology. D) Biodiversity. Show Answer Correct Answer: C) Ecology. 2. The major locomotor structures in bacteria are A) Pili. B) Flagella. C) Fimbriae. D) Cilia. Show Answer Correct Answer: B) Flagella. 3. Cyanobacteria are classified under A) Protista. B) Plantae. C) Algae. D) Monera. Show Answer Correct Answer: D) Monera. 4. In human heart, the oxygenated blood inters into the heart through A) Vena cava. B) Aorta. C) Pulmonary vein. D) Pulmonary artery. Show Answer Correct Answer: C) Pulmonary vein. 5. What type of organic molecules are enzymes? A) Nucleic acids. B) Lipids. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: C) Proteins. 6. What is the outside, protein coat on a virus called? A) Envelope. B) Tail fibers. C) Capsid. D) Genetic material. Show Answer Correct Answer: C) Capsid. 7. A process in which DNA has the unique ability to make an exact copy of itself. A) Translation. B) Replication. C) Transcription. D) Protein Synthesis. Show Answer Correct Answer: B) Replication. 8. All living things are classified into 3 Domains. Which Domain do WE belong to? A) Archae. B) Bacteria. C) Eukarya. D) None of above. Show Answer Correct Answer: C) Eukarya. 9. What type of microscope is most often used in high school classrooms? A) Stereoscope. B) Scanning Electron Microscope. C) Transmission Electron Microscope. D) Light Microscope. Show Answer Correct Answer: D) Light Microscope. 10. Information gathered from experiments is called ..... A) Variables. B) Data. C) Journal. D) Stimulus. Show Answer Correct Answer: B) Data. 11. Which are mollusks? A) Clams and Oysters. B) Shrimp and Lobsters. C) Corals and Fish. D) Sponges and Starfish. Show Answer Correct Answer: A) Clams and Oysters. 12. What happens after the virus has been taken up by the cell? A) It divides, or replicates. B) It inserts into the host DNA. C) It begins making protein. D) It switches to infectious mode. Show Answer Correct Answer: B) It inserts into the host DNA. 13. Which of these organisms would most likely be found at the bottom of a biomass pyramid A) Giant squids. B) Sand sharks. C) Sea cucumbers. D) Green algae. E) Angel fish. Show Answer Correct Answer: D) Green algae. 14. Life cycle of which animal? Egg, nymph, and adult A) Snake. B) Grasshopper. C) Butterfly. D) Frog. Show Answer Correct Answer: B) Grasshopper. 15. What is the function of the flagella? A) To store enrgy. B) Convert food. C) To provide movement. D) Provide protein. Show Answer Correct Answer: C) To provide movement. 16. Small muscular pouch responsible for storing bile A) Pancreas. B) Mechanical. C) Amylase. D) Gallbladder. Show Answer Correct Answer: D) Gallbladder. 17. What is the difference between active and passive transport? A) Active does not need energy and passive uses ATP (energy). B) Active uses ATP (energy) and passive does not need energy. C) Active stores transport proteins and passive releases. D) Active uses hormones and passive does not. Show Answer Correct Answer: B) Active uses ATP (energy) and passive does not need energy. 18. What is the antigen on blood group O? A) Antigen A. B) Antigen B. C) Antigen A and Antigen B. D) None. Show Answer Correct Answer: D) None. 19. Mammals are animals that A) Lay eggs. B) Don't have a backbone. C) Live in the jungle. D) Have live young. Show Answer Correct Answer: D) Have live young. 20. Which biomolecule is your main source of energy? A) Lipid. B) Protein. C) Nucleic Acid. D) Carbohydrate. Show Answer Correct Answer: D) Carbohydrate. 21. A physical characteristic that can be passed from parent to offspring. A) Behavior. B) Ability to fly a plane. C) Trait. D) Strong muscles. Show Answer Correct Answer: C) Trait. 22. Which are Arthropods? A) Most types of reptiles. B) No jointed legs or wings or segmented bodies. C) Most types of fish. D) Animals with jointed legs, segmented bodies, some have wings. Show Answer Correct Answer: D) Animals with jointed legs, segmented bodies, some have wings. 23. What is the definition of cohesion? A) Dissolving substance in a solution. B) Type of mixture in which all the components are evenly distributed. C) An attraction between molecules of a different substance. D) An attraction between molecules of the same substance. Show Answer Correct Answer: D) An attraction between molecules of the same substance. 24. Members of this kingdom have cell walls made of cellulose A) Fungi. B) Protista. C) Eubacteria. D) Plantae. Show Answer Correct Answer: D) Plantae. 25. Which kingdom consists of heterotrophic organisms that grow on or in what they eat? A) Bacteria. B) Archaea. C) Protists. D) Fungi. Show Answer Correct Answer: D) Fungi. 26. Which of the following process requires energy? A) Osmosis. B) Diffusion. C) Active transport. D) Passive transport. E) Dialysis. Show Answer Correct Answer: C) Active transport. 27. The head of a sperm cell is called A) Zona pelllucida. B) Acrosome. C) Spindle fibre. D) Corona radiata. Show Answer Correct Answer: B) Acrosome. 28. A branch of Biology that deals with the structure and function of macromolecules. A) Molecular Biology. B) Taxonomy. C) Zoology. D) None of above. Show Answer Correct Answer: A) Molecular Biology. 29. Study of PARASITES and their HOSTS. A) Parasitology. B) Entomology. C) Ethology. D) Ichthyology. Show Answer Correct Answer: A) Parasitology. 30. Transcribe the following DNA sequence into RNA:(Hint! Remember that RNA has U instead of T!)AAT TAG GGC TCG A) UUA AUC CCG AGC. B) TTU UTC CCG UGC. C) TTA ATC CCG AGC. D) AAT TAG GGC TCG. Show Answer Correct Answer: A) UUA AUC CCG AGC. 31. The circulatory system works with the ..... system to provide our body with oxygen. A) Muscular. B) Digestive. C) Skeletal. D) Respiratory. Show Answer Correct Answer: D) Respiratory. 32. The environmental conditions that limit population growth in an ecosystem A) Invasive species. B) Keystone species. C) Resilience. D) Limiting factors. Show Answer Correct Answer: D) Limiting factors. 33. VIROID IS NOT HAVING A) PROTEIN COAT. B) NUCLEIC ACID. C) BOTH 1 AND 2. D) NONE OF THESE. Show Answer Correct Answer: A) PROTEIN COAT. 34. What does NOT happen during interphase? A) Obtaining nutrients. B) Cell divison. C) Growth. D) DNA replication. Show Answer Correct Answer: B) Cell divison. 35. What is inside the Chloroplast? A) Thylakoid. B) Gerdes. C) Mitochondria. D) Cell wall. Show Answer Correct Answer: A) Thylakoid. 36. Which blood vessel does the hepatic vein lead into? A) Aorta. B) Pulmonary artery. C) Pulmonary vein. D) Vena cava. Show Answer Correct Answer: D) Vena cava. 37. What is the correct ordering of life from smallest to largest? A) Organism, organ, organ system, tissue, atom, molecule cell,. B) Organism, organ system, organ, tissue, cell, molecule, atom. C) Atom, molecule, cell, tissue, organ, organ system, organism. D) All choices are correct. Show Answer Correct Answer: C) Atom, molecule, cell, tissue, organ, organ system, organism. 38. Which of the following is the correct term used to describe a group of body parts such as (mouth, esophagus, stomach, small intestines, and large intestines) working together to perform a specific function? A) Organism. B) Tissue. C) Organ system. D) Organ. Show Answer Correct Answer: C) Organ system. 39. Water travels from root hair cells to the leaves.What is the passage of water between these structures? A) Xylem $\rightarrow$ mesophyll cells $\rightarrow$ cortex cells. B) Cortex cells $\rightarrow$ mesophyll cells $\rightarrow$ xylem. C) Xylem $\rightarrow$ cortex cells $\rightarrow$ mesophyll cells. D) Cortex cells $\rightarrow$ xylem $\rightarrow$ mesophyll cells. Show Answer Correct Answer: D) Cortex cells $\rightarrow$ xylem $\rightarrow$ mesophyll cells. 40. The cell membrane is ..... A) A flexible cover. B) A large window. C) A big wall. D) A rough cover. Show Answer Correct Answer: A) A flexible cover. 41. Molecular Biology is the study of A) Organic chemistry. B) DNA. C) Biological molecules. D) Chemical processes in living organisms. Show Answer Correct Answer: D) Chemical processes in living organisms. 42. What are Earthworms and Leeches? A) Polycheates. B) Annelids. C) Oligicheates. D) Parakeetes. Show Answer Correct Answer: B) Annelids. 43. Ecology is divided into mainly ..... branches A) 7. B) 5. C) 4. D) 2. Show Answer Correct Answer: D) 2. 44. What type of cell is not yet specialized and can be turned into any type of cell? A) Nerve cell. B) Blood cell. C) Stem cell. D) Skin cell. Show Answer Correct Answer: C) Stem cell. 45. Traveling done by an animal to find food and water, mates, and better habitat. A) Herding. B) Hibernation. C) Locomotion. D) Migration. Show Answer Correct Answer: D) Migration. 46. Group of animals having a body divided into segments and a digestive tract with two openings. A) Annelids. B) Mollusks. C) Echinoderms. D) Cnidarians. Show Answer Correct Answer: A) Annelids. 47. Global warming is due to A) Greenhouse gases. B) Nitric and sulfuric acids. C) CFCs. D) Ozone depletion. Show Answer Correct Answer: A) Greenhouse gases. 48. During ..... conditions inside our body are kept stable (the same) A) Homeostasis. B) Homologous. C) Homeopathic. D) Homo sapian. Show Answer Correct Answer: A) Homeostasis. 49. Today, scientists use an ..... level system to classify living things. A) 24. B) 10. C) 8. D) 4. Show Answer Correct Answer: C) 8. 50. Why do some root cells have root hairs? A) To provide a place for cell nuclei. B) For the maintenance of the temperature of the cell sap. C) To increase the surface area of the cells. D) To increase the volume of the cell sap. Show Answer Correct Answer: C) To increase the surface area of the cells. 51. Plants develop brightly coloured flowers to attract animals. Which process is directly assisted by this adaptation? A) Pollination. B) Fertilization. C) Seed dispersal. D) Germination. Show Answer Correct Answer: A) Pollination. 52. When looking through your microscope, if you move your slide to the right the slide appears A) Vanish. B) To move to the right. C) To stay the same. D) To move to the left. Show Answer Correct Answer: D) To move to the left. 53. Sports physical therapists study the bio-mechanics of how joints, muscles and bones move during athletic activity. What branch of science do they study? A) Anatomy and physiology. B) Cell biology. C) Molecular Biology. D) Biochemistry. Show Answer Correct Answer: A) Anatomy and physiology. 54. What is a chiasma? A) A point where the recombination of genetic material always occurs. B) A point where homologous chromosomes remain in contact during meiosis. C) A point where gene mutations occur. D) A process of exchanging genes between non-homologous chromatids. Show Answer Correct Answer: B) A point where homologous chromosomes remain in contact during meiosis. 55. Energy enters an ecosystem and the grass contain 20 calories of energy. The grass is a primary consumer. How much energy is available for a tertiary consumer? A) .02. B) 0.2. C) 20. D) 2. Show Answer Correct Answer: A) .02. 56. Photosynthesis uses sunlight to convert water and carbon dioxide into A) Oxygen & glucose. B) Glucose. C) Oxygen. D) ATP & oxygen. Show Answer Correct Answer: A) Oxygen & glucose. 57. Provide quick energy and serve as structural components of plant cells A) Proteins. B) Nucleic Acids. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: C) Carbohydrates. 58. What breaks down dead bodies and plant remains? A) Decomposers. B) Fred. C) Producers. D) Sunlight. Show Answer Correct Answer: A) Decomposers. 59. Your mother adds yeast to her bread so it will "rise" . What by-product of anaerobic respiration makes this possible? A) Alcohol. B) Lactic acid. C) Carbon dioxide. D) Oxygen. Show Answer Correct Answer: C) Carbon dioxide. 60. THE LARGEST BOTANICAL GARDEN LOCATED IN A) PUNE. B) HOWRAH. C) MOSCOW. D) KEW. Show Answer Correct Answer: D) KEW. ← 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