This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Biology – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If you accidentally break a microscope slide, you should A) Clean it up yourself. B) Try to hide it from the teacher. C) Tell the teacher immediately. D) None of above. Show Answer Correct Answer: C) Tell the teacher immediately. 2. Malnutrition may be caused by ..... A) Deficiency or excess of nutrients in the diet. B) Deficiency, imbalance or excess of minerals in the diet. C) Deficiency or imbalance of nutrients in the diet. D) Deficiency, imbalance or excess of nutrients in the diet. Show Answer Correct Answer: D) Deficiency, imbalance or excess of nutrients in the diet. 3. This trait is hidden whenever the dominant allele is present A) Dominant allele. B) Codominance. C) Recessive allele. D) Punnett Square. Show Answer Correct Answer: C) Recessive allele. 4. Gemma cup is found in A) Marchantia. B) Funaria. C) Salvinia. D) Selaginella. Show Answer Correct Answer: A) Marchantia. 5. Guanine bonds with ..... A) Guanine. B) Adenine. C) Cytosine. D) Thymine. Show Answer Correct Answer: C) Cytosine. 6. What prevents sharp, sudden changes in pH? A) Solute. B) Buffer. C) Solvent. D) Solution. Show Answer Correct Answer: B) Buffer. 7. What does the ETC make A) NADP+. B) Phospholipid-Bilayer. C) NADPH. D) H20. Show Answer Correct Answer: C) NADPH. 8. The genome of a goldfish contains 96 chromosomes. How many chromosomes will each daughter cell have after mitosis of a goldfish cell is complete? A) 98. B) 24. C) 192. D) 48. Show Answer Correct Answer: A) 98. 9. What functions do leaves perform? A) Leaves perform transpiration and photosynthesis. B) Leaves give shade. C) Leaves do not function. D) None of above. Show Answer Correct Answer: A) Leaves perform transpiration and photosynthesis. 10. Humans have a total of how many diploid chromosomes? A) 22 individual chromosomes. B) 22 pairs. C) 23 pairs. D) 48 chromosomes. Show Answer Correct Answer: C) 23 pairs. 11. Which of the following shows the correct sequence of the cell cycle? A) Cytokinesis$\rightarrow$mitosis$\rightarrow$G1$\rightarrow$S$\rightarrow$G2. B) Mitosis$\rightarrow$ G1$\rightarrow$S$\rightarrow$G2$\rightarrow$cytokinesis. C) G1$\rightarrow$S$\rightarrow$G2$\rightarrow$mitosis$\rightarrow$cytokinesis. D) S$\rightarrow$G1$\rightarrow$ G2$\rightarrow$ mitosis$\rightarrow$ cytokinesis. Show Answer Correct Answer: C) G1$\rightarrow$S$\rightarrow$G2$\rightarrow$mitosis$\rightarrow$cytokinesis. 12. A plant nursery only grew one type of tomato. All of their tomatoes died from the same disease. What was most likely true of the tomato plant population? A) It had too much genetic variation. B) It had too little biodiversity. C) It had a lot of resistance to disease. D) It had a few plants that were resistant to disease. Show Answer Correct Answer: B) It had too little biodiversity. 13. Which force causes water molecules to stick to each other by hydrogen bonds? A) Cohesion. B) Adhesion. C) Tension. D) Gravity. Show Answer Correct Answer: A) Cohesion. 14. How many cells are in the aliamentary canal? A) 100 million. B) 100 billion. C) 100 trillion. D) 100 thousand. Show Answer Correct Answer: C) 100 trillion. 15. How does phytochrome control flowering in plants? A) Pfr turns into Pr in the dark, causing long-day plants to flower. B) Pr turns into Pfr in the light, causing long-day plants to flower. C) Pfr turns into Pr in the light, causing short-day plants to flower. D) Pr turns into Pfr in the dark, causing short-day plants to flower. Show Answer Correct Answer: B) Pr turns into Pfr in the light, causing long-day plants to flower. 16. What is the result of a diet lacking iron? A) Bleeding gums. B) Poor wound healing. C) Anemia. D) Weak bones and teeth. Show Answer Correct Answer: C) Anemia. 17. In what organelle does the food making process in plants take place? A) Endoplasmic Reticulum. B) Mitochondria. C) Vacuole. D) Chloroplasts. Show Answer Correct Answer: D) Chloroplasts. 18. The blood that circulates through your body is mostly what? A) Salt. B) Water. C) Sugar. D) Air. Show Answer Correct Answer: B) Water. 19. DNA or deoxyribonucleic acid is? A) Genetic material. B) Really long word. C) Found in only animals. D) Found in organisms with cells. Show Answer Correct Answer: A) Genetic material. 20. What can an increase in the greenhouse effect result in? A) Increase in the amount of alien/invasive species. B) The disruption of ecological niches due to competition. C) Decrease in the amount of food (prey). D) All of the above. Show Answer Correct Answer: D) All of the above. 21. "If a student drinks Gatorade before gym class, then they will be able to run faster than students who don't drink Gatorade." What is the dependent variable in this hypothesis? A) The student subjects. B) Gym class. C) Run speed. D) Gatorade. Show Answer Correct Answer: C) Run speed. 22. The process by which the nuclear material is divided equally between two new cells A) Centromere. B) Mitosis. C) Cancer. D) Spindle. Show Answer Correct Answer: B) Mitosis. 23. What is the ultimate source of energy for most organisms? A) Producers. B) The Sun. C) Plants. D) The Earth. Show Answer Correct Answer: B) The Sun. 24. Which animal life cycle:Egg, larvae, pupa, and adult A) Mammal. B) Insect. C) Amphibian. D) Reptile. Show Answer Correct Answer: B) Insect. 25. Why is a high concentration of auxin used in micropropagation? A) To stimulate development of roots and shoots. B) To prevent dormancy. C) To stimulate cell division. D) To prevent dehydration. Show Answer Correct Answer: C) To stimulate cell division. 26. Diploid Cells are represented by A) N. B) 1/2 n. C) 4n. D) 2n. Show Answer Correct Answer: D) 2n. 27. How many types of blood vessels are in our body? A) 4. B) 1. C) 3. D) 2. Show Answer Correct Answer: C) 3. 28. Which component of a healthy, balance diet is responsible for providing energy before an event? A) Fats. B) Proteins. C) Carbohydrates. D) Vitamins. Show Answer Correct Answer: C) Carbohydrates. 29. What does Mr. Calvin do? A) Makes Sugar in the Dark. B) Ur mom. C) Drink a gallon of Pepto Bismol. D) Photosynthesis. Show Answer Correct Answer: A) Makes Sugar in the Dark. 30. Which organism has open blood circulatory system? A) Human. B) Prawn. C) Frog. D) Fish. Show Answer Correct Answer: B) Prawn. 31. If abnormal cells remain at the original site they are called A) Benign tumor. B) Malignant tumor. C) All of the above. D) None of above. Show Answer Correct Answer: A) Benign tumor. 32. The amount of energy that usually transfers from one trophic level to the next ..... A) 10%. B) 20%. C) 50%. D) 80%. Show Answer Correct Answer: A) 10%. 33. What causes the water in xylem vessels to be under tension? A) Gravity. B) Adhesion. C) Evaporation. D) Cohesion. Show Answer Correct Answer: C) Evaporation. 34. SCIENTIFIC NAME OF TULSI A) PASSERA. B) MUSCA. C) OCIMUM. D) TRITICUM. Show Answer Correct Answer: C) OCIMUM. 35. The number of living organisms that an environment can support A) Carrying capacity. B) Keystone species. C) Resilience. D) Limiting factors. Show Answer Correct Answer: A) Carrying capacity. 36. What is the outside protective coating of a virus made of? A) Carbohydrates. B) Carbon. C) Lipids. D) Protein. Show Answer Correct Answer: D) Protein. 37. Most of the life cycle of a cell is spent in in what phase of the cell cycle? A) Mitosis. B) Cytokinesis. C) Sythesis. D) Interphase. Show Answer Correct Answer: D) Interphase. 38. Viruses are considered nonliving because of which characteristic A) Presence of DNA. B) Parasitic nature. C) Presence of protein coat. D) Crystalline nature. Show Answer Correct Answer: D) Crystalline nature. 39. All of the following EXCEPT ..... are produced by plants and carried in phloem. A) Auxins. B) Minerals. C) Amino acids. D) Hormones. Show Answer Correct Answer: B) Minerals. 40. Identify where this occurs:Each bivalent aligns independently at the equator. A) Metaphase I. B) Anaphase II. C) Anaphase I. D) Metaphase II. Show Answer Correct Answer: A) Metaphase I. 41. Before DNA can be replicated, the DNA must separate ..... A) Between the phosphate groups. B) From the sugar-phosphate backbone. C) Between the nitrogen bases. D) Behind the deoxyribose sugars. Show Answer Correct Answer: C) Between the nitrogen bases. 42. A single, self-contained entity that performs all of the basic function of life ..... A) Population. B) Keystone species. C) Organism. D) Species. Show Answer Correct Answer: C) Organism. 43. In which stage of the cell cycle does the cell split into two? A) Cytokinesis. B) G1. C) S. D) Mitosis. Show Answer Correct Answer: A) Cytokinesis. 44. Color or pattern that helps an animal blend in with its habitat A) Hibernation. B) Migration. C) Camouflage. D) Minicry. Show Answer Correct Answer: C) Camouflage. 45. The most specific level of organism classification that contains only one type of organism; the second part of the scientific name ..... A) Population. B) Keystone species. C) Species. D) Organism. Show Answer Correct Answer: C) Species. 46. Meaning "to drink" A) Phagocytosis. B) Exocytosis. C) Pinocytosis. D) Endocytosis. Show Answer Correct Answer: C) Pinocytosis. 47. Transpiration is a process in which plants give out A) Nitrogen. B) Oxygen. C) Water. D) Carbon dioxide. Show Answer Correct Answer: C) Water. 48. What is respiration? A) Releasing energy from food. B) Giving out carbon dioxide. C) Breathing. D) Taking in oxygen. Show Answer Correct Answer: A) Releasing energy from food. 49. Which of the following units are repeatedly joined together to form a strand of DNA? A) Fatty acids. B) Nucleotides. C) Amino acids. D) Polysaccharides. Show Answer Correct Answer: B) Nucleotides. 50. Which cells are found in xylem? A) Cambium cells. B) Sieve Tubes. C) Tracheids. D) Companion cells. Show Answer Correct Answer: C) Tracheids. 51. Which of the following is a xerophytic adaptation? A) Large leaves. B) Thin cuticle. C) Stomata are sunken in pits. D) Stomata only open during the day. Show Answer Correct Answer: C) Stomata are sunken in pits. 52. Which are Echinoderms? A) Sponges. B) Sharkes. C) Starfish. D) Seahorses. Show Answer Correct Answer: C) Starfish. 53. What organelle surrounds and supports plant cells? A) Cell Membrane. B) Cell Wall. C) Nucleus. D) Golgi Complex. Show Answer Correct Answer: B) Cell Wall. 54. Which blood vessel carries oxygenated blood to the liver? A) Vena cava. B) Hepatic vein. C) Hepatic artery. D) Hepatic portal vein. Show Answer Correct Answer: C) Hepatic artery. 55. What is formed when oxygen combines with haemoglobin? A) Oxygen transport compound. B) Carbon-haemoglobin. C) Oxy-haemoglobim. D) Haemoglobin. Show Answer Correct Answer: C) Oxy-haemoglobim. 56. If an organism is made entirely of one cell it is called ..... A) Unicellular. B) Prokaryotic. C) Eukaryotic. D) Multicellular. Show Answer Correct Answer: A) Unicellular. 57. Whats foods are not carbohydrates A) Celery. B) Fruits. C) Oat. D) Starch. Show Answer Correct Answer: A) Celery. 58. What is the role of RNA primers, which are needed to form the lagging strand? A) To allow RNA polymerase to bind. B) To allow DNA polymerase to bind. C) To allow DNA primase to bind. D) To allow DNA ligase to bind. Show Answer Correct Answer: B) To allow DNA polymerase to bind. 59. Zoology is study of what? A) Study of animals. B) Study of past. C) Study of plants. D) None of above. Show Answer Correct Answer: A) Study of animals. 60. Longest stage of mitosis. The centrosomes are now at opposite ends of the cells. the chromosomes convene on the equatorial plate. What phase is this? A) Prophase. B) Anaphase. C) Telophase. D) Metaphase. Show Answer Correct Answer: D) Metaphase. ← 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