This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Biology – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 16 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Frogs and salamanders are which type of vertebrate that lay eggs in water? A) Birds. B) Reptile. C) Amphibians. D) Mammals. Show Answer Correct Answer: C) Amphibians. 2. A species is ..... A) A group of people with similar categories that reproduce. B) A group of living things that can breed with each other. C) A group with similar characteristics that reproduce to form fertile offspring. D) A group that all look very familiar but that can also make more of themselves. Show Answer Correct Answer: C) A group with similar characteristics that reproduce to form fertile offspring. 3. The ..... of the microscope would give you the SMALLEST field of view. A) High power objective. B) Medium power objective. C) Low power objective. D) Stage. Show Answer Correct Answer: A) High power objective. 4. How does air pollution effect people? A) It can cause people to have difficulty breathing. B) It can make sick people even sicker. C) Sometimes, air pollution can cause cancer. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. A Porcupine has sharp quills. Why would a porcupine need this adaptation? A) To protect itself. B) To cover its skin. C) To keep warm. D) To kill its prey. Show Answer Correct Answer: A) To protect itself. 6. Which of the following is a difference between plant and animal cells? A) Animal cells do not have chlorophyll while plant cells do. B) Animal cells have a round shape while plant cells are rectangular. C) Plant cells have a cell membrane while animal cell do not. D) Plant cells are green while animal cells are blue. Show Answer Correct Answer: A) Animal cells do not have chlorophyll while plant cells do. 7. In its condensed form, the duplicated chromosome has a narrow 'waist' at a specialized region called the ..... where the two sister chromatids are most closely attached A) Centrioles. B) Cytokinesis. C) Centromere. D) None of above. Show Answer Correct Answer: C) Centromere. 8. The specific area where an organism inhabits; the role or function of an organism or species in an ecosystem A) Niche. B) Biotic factors. C) Parasitism. D) Abiotic factors. Show Answer Correct Answer: A) Niche. 9. Biology is the part of which subject? A) SST[SOCIAL STUDIES]. B) Science. C) Chemistry. D) None of above. Show Answer Correct Answer: B) Science. 10. Two people believe they are related. Which would be the best technique to determine if they are related? A) Comparing DNA. B) Examining karyotypes. C) Testing blood types. D) Testing for genetic disorders. Show Answer Correct Answer: A) Comparing DNA. 11. It is true to say that all living things ..... A) Photosynthesise. B) Breathe. C) Have a nucleus. D) Respire. Show Answer Correct Answer: D) Respire. 12. This cell part is in ALL cells. It is the gel-like substance that provides cell shape. A) Cell membrane. B) Cytoplasm. C) Chloroplasts. D) Nucleus. Show Answer Correct Answer: B) Cytoplasm. 13. Why does a root hair cell have a long root hair? A) To allow root hair cells to reach where nutrients are found. B) To increase the surface area for diffusion. C) To increase strength of plants. D) To increase supply of water. Show Answer Correct Answer: B) To increase the surface area for diffusion. 14. What did Thomas Hunt Morgan contribute to the knowledge of genetics? A) He determined that some genes are linked (you will get one if the other is present). B) He determined that all genes are unlinked (you will never get certain genes because you have another). C) He discovered what genes were. D) He studied peas and determined that flower color was linked to plant height. Show Answer Correct Answer: A) He determined that some genes are linked (you will get one if the other is present). 15. Stems have the function of A) Transport water only. B) Transport food only. C) Absorbs water. D) Transport water and food. Show Answer Correct Answer: D) Transport water and food. 16. Which is true of the lagging strand during DNA replication? A) DNA polymerase I adds nucleotides in a 3' $\rightarrow$ 5' direction. B) DNA polymerase I adds nucleotides in a 5' $\rightarrow$ 3' direction. C) DNA polymerase III adds nucleotides in a 5' $\rightarrow$ 3' direction. D) DNA polymerase III adds nucleotides in a 3' $\rightarrow$ 5' direction. Show Answer Correct Answer: C) DNA polymerase III adds nucleotides in a 5' $\rightarrow$ 3' direction. 17. Carbohydrates ..... A) Can keep you awake at night. B) Help you with homework. C) Store energy and are made of one or more sugar molecules. D) Take a long time to eat. Show Answer Correct Answer: C) Store energy and are made of one or more sugar molecules. 18. In what part of the plant cell does the process of photosynthesis take place? A) Vacuoles. B) Nucleus. C) Chloroplasts. D) Mitochondria. Show Answer Correct Answer: C) Chloroplasts. 19. Which of the following is the correct equation for PHOTOSYNTHESIS? A) CO2 + sugar + H2O $\rightarrow$ O2 + light. B) CO2 + light + H2O $\rightarrow$ O2 + Sugar. C) O2 + light + H2O $\rightarrow$ CO2 + Sugar. D) CO2 + O2 + H2O $\rightarrow$ Light+ Sugar. Show Answer Correct Answer: B) CO2 + light + H2O $\rightarrow$ O2 + Sugar. 20. Which of the following parts of photosynthesis does not require light? A) Calvin Cycle. B) Electron transport chain. C) Light dependent Cycle. D) Krebs Cycle. Show Answer Correct Answer: A) Calvin Cycle. 21. What is the original source of almost all energy in most ecosystems? A) Carbon. B) Water. C) Sunlight. D) Carbohydrates. Show Answer Correct Answer: C) Sunlight. 22. Which of these human impacts would have the greatest negative affect on biodiversity? A) Increase in plant population. B) Selective cutting. C) Use of fertilizers. D) Clear-cutting. Show Answer Correct Answer: D) Clear-cutting. 23. What is the main function of ribosomes? A) Synthesize proteins. B) Destroy worn out organelles. C) Produce DNA. D) None of above. Show Answer Correct Answer: A) Synthesize proteins. 24. This is the definition for which word:The movement of particles down a concentration gradient (from a high concentration to a low concentration) A) Osmosis. B) Diffusion. C) Transpiration. D) Active transport. Show Answer Correct Answer: B) Diffusion. 25. What does the microsporangia develop into? A) Pollen tube. B) Pollen sac. C) Pollen mother cell. D) Pollen grain. Show Answer Correct Answer: B) Pollen sac. 26. An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ..... A) The type of liquid. B) The type of plant. C) The amount of sunlight. D) The type of music. Show Answer Correct Answer: A) The type of liquid. 27. A bacterial population with no resistance could develop into a bacterial population with some resistance to an antibiotic. Which event could lead to this? A) Antibiotic resistance was inherited from an ancestral population. B) The bacteria have mutated in response to antibiotics in the environment. C) The enzyme needed for antibiotic resistance is received from a bacterium in another population. D) An antibiotic resistance plasmid is received from a bacterium in another population. Show Answer Correct Answer: D) An antibiotic resistance plasmid is received from a bacterium in another population. 28. Which statement correctly describes meiosis? A) Cells divide only once. B) Meiosis does not occur in reproductive cells. C) The cells produced at the end of meiosis are genetically identical to the parent cell. D) The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell. Show Answer Correct Answer: D) The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell. 29. The mitotic cell cycle is divided into a number of stages. In which of the following stages will the chromosomes line up at the equator of the cell? A) Anaphase. B) Telophase. C) Metaphase. D) Interphase. Show Answer Correct Answer: C) Metaphase. 30. What eats Producers A) Hetertrophs. B) Chemoautotrophs. C) Other producers. D) Animals. Show Answer Correct Answer: A) Hetertrophs. 31. Study of ANIMALS A) Mycology. B) Zoology. C) Taxonomy. D) Cytology. Show Answer Correct Answer: B) Zoology. 32. In micropropagation, where are cells to be cloned usually taken from? A) Xylem. B) Leaves. C) Phloem. D) Shoot apex. Show Answer Correct Answer: D) Shoot apex. 33. Which kingdom is the most diverse? A) Fungi. B) Eubacteria. C) Protista. D) Animalia. Show Answer Correct Answer: D) Animalia. 34. The enzyme that helps in digestion of fats is A) Amylase. B) Pepsin. C) Renin. D) Lipase. Show Answer Correct Answer: D) Lipase. 35. What are some characteristics of tadpoles? A) They breathe with gills and have tails. B) They breathe with lungs. C) They look just like the adults. D) None of above. Show Answer Correct Answer: A) They breathe with gills and have tails. 36. This structure stores glucose and breaks it down to produce energy. A) Chloroplast. B) Nucleus. C) Mitochondria. D) None of above. Show Answer Correct Answer: C) Mitochondria. 37. The opening and closing of stomata in leaves is controlled by A) Guard cells. B) Phloem cells. C) Zylem cells. D) None of the above. Show Answer Correct Answer: A) Guard cells. 38. Which of the following are true of the apical meristem? I. cells at the edge start to differentiateII. rapid mitosis occursIII. both shoots and roots have a meristem 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. 39. What does reproduce mean? A) They grow-get larger. B) They are living things. C) Organisms make other organisms. D) None of above. Show Answer Correct Answer: C) Organisms make other organisms. 40. Which of the following help(s) in supporting a terrestrial woody plant? I. Xylem tissueII. Turgor pressureIII. Phloem tissue A) I only. B) I and II only. C) II and III only. D) I, II and III. Show Answer Correct Answer: B) I and II only. 41. Which of the following are involved in phototrophism? I. auxinII. proton pumpsIII. expansinsIV. sunlight A) I and II only. B) I, II and III only. C) II and III only. D) I, II, III and IV. Show Answer Correct Answer: D) I, II, III and IV. 42. It is the study of the nature, physicochemical organization, synthesis working and interaction of bio-molecules that bring about and control various activities of the protoplasm. A) Immunology. B) Entomology. C) Molecular biology. D) Palaeontology. Show Answer Correct Answer: C) Molecular biology. 43. In facilitated diffusion, molecules will randomly move through the pores in ..... A) Carrier proteins. B) Channel proteins. C) Ion pumps. D) All of the above. Show Answer Correct Answer: B) Channel proteins. 44. What type of molecule experiences a change in its structure because of the point mutation? A) A protein molecule. B) The DNA molecule. C) An ATP molecule. D) An RNA molecule. Show Answer Correct Answer: A) A protein molecule. 45. Scientific name of Angel fish A) Clarias. B) Pterophyllum. C) Betta. D) Exocoetus. Show Answer Correct Answer: B) Pterophyllum. 46. Amphibians breathe through A) Lungs. B) Gills. C) Moist skin. D) All of these. Show Answer Correct Answer: D) All of these. 47. In which populations does genetic drift most often occur? A) In small populations. B) In large populations. C) In marine populations. D) In terrestrial populations. Show Answer Correct Answer: A) In small populations. 48. How would overexposure to X-rays affect most animal cells? A) It would cause an increase in red blood cell production. B) It would change the sequence of DNA nucleotides in affected cells. C) It would increase cell specialization in organs. D) It would produce new nucleotides for DNA molecules. Show Answer Correct Answer: B) It would change the sequence of DNA nucleotides in affected cells. 49. What is the macromolecule that is made during photosynthesis? A) Lipid. B) Carbohydrate. C) Nucleic acid. D) Protein. Show Answer Correct Answer: B) Carbohydrate. 50. During strenuous exercise, body temperature increases. The body responds to the increase in temperature by sweating, which helps to reduce the body temperature. Which is demonstrated in this situation? A) Synthesis. B) Metabolism. C) Excretion. D) Homeostasis. Show Answer Correct Answer: D) Homeostasis. 51. What keeps the DNA strands apart during DNA replication? A) DNA gyrase. B) DNA helicase. C) DNA primase. D) Single-stranded binding proteins. Show Answer Correct Answer: D) Single-stranded binding proteins. 52. Grazing cows disturb the grass and cause insects to fly around the cows as they eat. In turn, birds swoop in and eat the insects. This type of feeding relationship is an example of A) Commensalism. B) Predation. C) Mutualism. D) Parasitism. Show Answer Correct Answer: A) Commensalism. 53. What is a unique characteristic of the plasma (cell) membrane? A) Rigid. B) Semipermeable. C) Orange. D) Jelly-like. Show Answer Correct Answer: B) Semipermeable. 54. The thin extensions of the inner mitochondrial membrane are known as A) Matrix. B) Cristae. C) Thylakoid. D) Stroma. Show Answer Correct Answer: B) Cristae. 55. Females-XX; MalesXY. A couple has 4 girls. What is the chance the next child will be a boy? A) 25%. B) 75%. C) 100%. D) 50%. Show Answer Correct Answer: D) 50%. 56. Vitamin D deficiency can lead to A) PKU. B) Rickets. C) Anorexia Nervosa. D) Scurvy. Show Answer Correct Answer: B) Rickets. 57. The study of animals A) Botany. B) Microbiology. C) Biology. D) Zoology. Show Answer Correct Answer: D) Zoology. 58. What is the best explanation for the continual changes in the classification system of organisms? A) All organisms struggle for existence and become extinct. B) All organisms compete to be at the top of the food chain. C) Technological advances have allowed scientists to better compare organisms. D) More species have been discovered, but scientists have not analyzed all the data. Show Answer Correct Answer: C) Technological advances have allowed scientists to better compare organisms. 59. Which is not a part of cell theory? A) All organisms are made of cells. B) All existing cells come from preexisting cells. C) All matter is composed of living cells. D) The cell is the most basic unit of life. Show Answer Correct Answer: C) All matter is composed of living cells. 60. What did Hooke first examine? A) Cork. B) Pond water. C) Plant cells. D) Animal fat. Show Answer Correct Answer: A) Cork. ← 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