This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Biology – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Micropropagation can be used to:I. Produce many clones of new varieties of plants II. Re-populate endangered plant speciesIII. Protect plants from viruses and bacteria found in the natural environment A) I only. B) I and II only. C) II and III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 2. Circulatory system in cockroach is ..... A) Haemocoel. B) Enterocoelom. C) Pseudocoel. D) Eucoelom. Show Answer Correct Answer: A) Haemocoel. 3. During interphase, the DNA is replicated to create two complete sets of DNA. The DNA is copied during which stage of the cell cycle? A) S. B) M. C) G2. D) G1. Show Answer Correct Answer: A) S. 4. Do reptiles have gills? A) Yes. B) No. C) Some do, some do not. D) None of above. Show Answer Correct Answer: B) No. 5. What does Ectothermic mean? A) Cold blooded; Changes temp with environment. B) Type of system describing most mammals. C) Warm Blooded; Temp stays constant. D) An animal that warms through metabolism. Show Answer Correct Answer: A) Cold blooded; Changes temp with environment. 6. How do carbon dioxide and oxygen move into and out of a mesophyll cell? A) Transpiration. B) Respiration. C) Active transport. D) Diffusion. Show Answer Correct Answer: D) Diffusion. 7. Which statement below describes the events during G2 of Interphase? A) The cell grows, develops, and makes new proteins. B) The DNA replicates to form a new set of identical chromosomes. C) The cell grows, makes new organelles, and prepares for mitosis. D) The nucleolus disappears and the nuclear envelope disintegrates. Show Answer Correct Answer: C) The cell grows, makes new organelles, and prepares for mitosis. 8. Part of plant that works like a food factory A) Stem. B) Flower. C) Root. D) Leaf. Show Answer Correct Answer: D) Leaf. 9. When atria and ventricles relax and blood fills in atria, the period is called A) Cardiac cycle. B) Cardiac diastole. C) Ventricular systole. D) Atrial systole. Show Answer Correct Answer: B) Cardiac diastole. 10. Which of the following is a characteristic of ALL living things? A) They Eat. B) They Breathe. C) They Communicate. D) They Grow. Show Answer Correct Answer: D) They Grow. 11. Which characteristic is present in offspring produced by sexual reproduction, but is missing in offspring produced by asexual reproduction? A) Twice the number of parent chromosomes. B) An identical copy of parent chromosomes. C) An independent assortment of parent chromosomes. D) Only half the number of parent chromosomes. Show Answer Correct Answer: C) An independent assortment of parent chromosomes. 12. Which life process involves the removal of metabolic waste from cells? A) Nutrition. B) Synthesis & Assimilation. C) Excretion. D) Transport. Show Answer Correct Answer: C) Excretion. 13. A group of tissues that perform a similar function is called ..... (Examples include the heart, lungs or stomach) A) Organs. B) Organ system. C) Cells. D) Tissues. Show Answer Correct Answer: A) Organs. 14. TAXONOMIC HIERARCHY MEANS A) DIVISON-CLASSS-SPECIES-ORDER-PHYLLUM-KINGDOM. B) SPECIES-KINDOM-FAMILY-GENUS-CLASS-PHYLLUM. C) SPECIES-GENUS-FAMILY-ORDER-CLASS-PHYLLUM-KINGDOM. D) NONE OF THESE. Show Answer Correct Answer: C) SPECIES-GENUS-FAMILY-ORDER-CLASS-PHYLLUM-KINGDOM. 15. Which biomolecule is made of amino acids? A) Protein. B) Lipid. C) Nucleic Acid. D) Carbohydrate. Show Answer Correct Answer: A) Protein. 16. What is chlorophyll's main function? A) To make the plant a vegetable. B) To blend into their environment. C) To help prevent water loss. D) To capture energy from sunlight for photosynthesis. Show Answer Correct Answer: D) To capture energy from sunlight for photosynthesis. 17. Which statement about Brown algae is correct? A) Reserve food is Floridean starch. B) Two Equal apical flagella present. C) Cell wall made of cellulose and algin. D) Chlorophyll a and d present. Show Answer Correct Answer: C) Cell wall made of cellulose and algin. 18. Why can someone be grumpy when sleepy? A) Melatonin causes sleep and angry hormones. B) Melatonin blocks the entry of dopamine and oxytocin into receptors due to its size. C) Dopamine refuses to turn up when melatonin is present. D) None of above. Show Answer Correct Answer: B) Melatonin blocks the entry of dopamine and oxytocin into receptors due to its size. 19. What is the function of DNA polymerase I? A) To add appropriate nucleotides in the 3' $\rightarrow$ 5' direction. B) To remove the RNA primers and replace them with DNA. C) To join together the Okazaki fragments. D) To join together both strands of DNA to the histones. Show Answer Correct Answer: B) To remove the RNA primers and replace them with DNA. 20. The functional unit of gene called as A) Muton. B) Citron. C) Recon. D) Gene. Show Answer Correct Answer: B) Citron. 21. What process does a multi-cellular organism use to replace its damaged body cells? A) Meiosis. B) Transcription. C) Mitosis. D) Replication. Show Answer Correct Answer: C) Mitosis. 22. Which environmental factor would cause the greatest decrease in the number of species of plants and animals living in some of the lakes in the United States? A) Ozone destruction. B) Acid rain. C) Global warming. D) Increase in dissolved oxygen levels. Show Answer Correct Answer: B) Acid rain. 23. Where is the DNA found in a prokaryotic cell? A) In the nucleus. B) In the middle. C) Floating around in the cytoplasm. D) Slightly to the right. Show Answer Correct Answer: C) Floating around in the cytoplasm. 24. There are little pores on the bottom of the leaf called ..... A) Stem. B) Stomata. C) Root. D) Palisade mesophyll. Show Answer Correct Answer: B) Stomata. 25. What is the pigment in chloroplasts that performs photosynthesis? A) Chlorosynthesis. B) Chlorophyll. C) Electron Transport. D) ADP. Show Answer Correct Answer: B) Chlorophyll. 26. What organelle helps with cell digestion? A) ER. B) Ribosomes. C) Lysosomes. D) Golgi Complex. Show Answer Correct Answer: C) Lysosomes. 27. What are Okazaki fragments made of? A) DNA only. B) RNA only. C) DNA and RNA. D) Protein. Show Answer Correct Answer: A) DNA only. 28. What contributes to the enhanced greenhouse effect? A) Methane from agricultural sources. B) Carbon dioxide from active volcanoes. C) Carbon particles in diesel engine exhaust. D) Ozone from violent thunderstorms. Show Answer Correct Answer: A) Methane from agricultural sources. 29. Which substance must a green plant obtain from its environment to carry on photosynthesis? A) Glucose and water. B) Oxygen and chlorophyll. C) Carbon dioxide and water. D) Carbon dioxide and oxygen. Show Answer Correct Answer: C) Carbon dioxide and water. 30. Organisms that can capture energy from inorganic, nonliving sources. A) Producers. B) Consumers. C) Detritivores. D) Carnivores. Show Answer Correct Answer: A) Producers. 31. A(n) ..... is all living and nonliving things in a particular area that interact with one another A) Population. B) Community. C) Ecosystem. D) Biome. Show Answer Correct Answer: C) Ecosystem. 32. The study of insects is ..... A) Ecology. B) Embryology. C) Genetics. D) None of above. Show Answer Correct Answer: B) Embryology. 33. Ecosystems possess.. A) Only living components. B) Only non-living components. C) Both living and non-living components. D) None of above. Show Answer Correct Answer: C) Both living and non-living components. 34. It is the study of tissue organization and structure as observed through light microscope. A) Histology. B) Cell biology. C) Physiology. D) Morphology. Show Answer Correct Answer: A) Histology. 35. Where are genetics stored? A) Heart. B) On one or more chromosomes. C) Nucleus. D) Brain. Show Answer Correct Answer: B) On one or more chromosomes. 36. The three main types of cells are ..... A) Plant, Whale, Grass. B) Human, Dirt, Mountains. C) Plant, Animal, Bacteria. D) Ocean, Sky, Desert. Show Answer Correct Answer: C) Plant, Animal, Bacteria. 37. The number of individuals of a species per unit of area A) Disruption. B) Population density. C) Succession. D) Microscopic. Show Answer Correct Answer: B) Population density. 38. What step does every scientific experiment begin with? A) Conclusion. B) Hypothesis. C) Procedures. D) Question/problem. Show Answer Correct Answer: D) Question/problem. 39. Speed up chemical reactions, protects against infections, and structural component of hair, skin, and muscles A) Lipids. B) Carbohydrates. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: C) Proteins. 40. A resting state through the winter. A) Sleeping. B) Estivation. C) Hibernation. D) Migration. Show Answer Correct Answer: C) Hibernation. 41. Made of monomers of amino acids A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: C) Proteins. 42. Which of the following is a base that is NOT contained in DNA? A) Adenine. B) Thymine. C) Guanine. D) Uracil. Show Answer Correct Answer: D) Uracil. 43. Which features helps birds in flying? A) Gizzard. B) Pneumatic bones. C) Crop. D) Vertebral column. Show Answer Correct Answer: B) Pneumatic bones. 44. Which of the following are true of both leaf cells and root cells? I. they are undifferentiatedII. they are genetically identicalIII. they were formed at the edges of an apical meristem A) II only. B) III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 45. What causes the conversion of Pr to Pfr? A) Darkness. B) Red light. C) Far red light. D) Auxin. Show Answer Correct Answer: B) Red light. 46. The ..... control what enters and leaves the cell. A) Cell membrane. B) Cell wall. C) Nucleus. D) Cytoplasm. Show Answer Correct Answer: A) Cell membrane. 47. Which blood vessel carries the deoxygenated blood to the right atrium? A) Vena cava. B) Pulmonary vein. C) Pulmonary artery. D) All of them. Show Answer Correct Answer: A) Vena cava. 48. Which is less dense? A) Ice. B) Liquid water. C) Juice. D) All of the above. Show Answer Correct Answer: A) Ice. 49. The organelles responsible for the making of proteins: A) Central vacuoles, lysosomes, vesicles. B) Cell wall, smooth endoplasmic reticulum, nucleus. C) Ribosomes, rough endoplasmic reticulum, golgi apparatus. D) Nucleus, chloroplast, mitochondria. Show Answer Correct Answer: C) Ribosomes, rough endoplasmic reticulum, golgi apparatus. 50. Herpetology is the branch of ..... A) Anatomy. B) Biology. C) Mammalogy. D) Zoology. Show Answer Correct Answer: D) Zoology. 51. Which of the following nutrients is taken by the plants from the soil to synthesise protein? A) Hydrogen. B) Nitrogen. C) Carbon. D) Magnesium. Show Answer Correct Answer: B) Nitrogen. 52. The circulatory system works with the ..... system to obtain energy from nutrients that we eat. A) Skeletal. B) Nervous. C) Respiratory. D) Digestive. Show Answer Correct Answer: D) Digestive. 53. The movement of oxygen from the alveoli to the blood and from the blood to the tissues is due to the process of ..... A) Diffusion. B) Cytokinesis. C) Phagocytosis. D) Osmosis. Show Answer Correct Answer: A) Diffusion. 54. A process where cells are copied is called? A) Replication. B) Mitosis. C) Meiosis. D) Cellular respiration. Show Answer Correct Answer: B) Mitosis. 55. Microbiology is study of what? A) Study of plants. B) Study of microbes. C) Study of democracy. D) None of above. Show Answer Correct Answer: B) Study of microbes. 56. It is the study of insects. A) Entomology. B) Histology. C) Ecology. D) Cytology. Show Answer Correct Answer: A) Entomology. 57. What do you call it when one species benefits and the other species is not really affected in any way? A) Commensalism. B) Predation. C) Mutualism. D) Parasitism. Show Answer Correct Answer: A) Commensalism. 58. In a student on ecology of honeybees, who would be the best reviewer of the study? A) A politician that knew about bees. B) A biologist studying insects. C) A university president. D) None of above. Show Answer Correct Answer: B) A biologist studying insects. 59. What are the Two Types of cells that make up every Organism? A) Plasma and Cytoplasm. B) Prokaryotic and Eukaryotic. C) Ribosomes and Cyoplasm. D) Plasma and Nucleus. Show Answer Correct Answer: B) Prokaryotic and Eukaryotic. 60. Where does sugar transport begin? A) Roots. B) Root hairs. C) Leaves. D) Vascular bundles. Show Answer Correct Answer: C) Leaves. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesBiology Quiz 1Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books