This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 48 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 48 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the correct equation for PHOTOSYNTHESIS? A) CO2 + light + H2O $\rightarrow$ O2 + Sugar. B) CO2 + sugar + H2O $\rightarrow$ O2 + light. C) O2 + light + H2O $\rightarrow$ CO2 + Sugar. D) CO2 + O2 + H2O $\rightarrow$ Light+ Sugar. Show Answer Correct Answer: A) CO2 + light + H2O $\rightarrow$ O2 + Sugar. 2. Which of the following parts of photosynthesis does not require light? A) Light dependent Cycle. B) Calvin Cycle. C) Krebs Cycle. D) Electron transport chain. Show Answer Correct Answer: B) Calvin Cycle. 3. What is the original source of almost all energy in most ecosystems? A) Carbohydrates. B) Sunlight. C) Water. D) Carbon. Show Answer Correct Answer: B) Sunlight. 4. Which of these human impacts would have the greatest negative affect on biodiversity? A) Clear-cutting. B) Selective cutting. C) Increase in plant population. D) Use of fertilizers. Show Answer Correct Answer: A) Clear-cutting. 5. 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. 6. 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) Active transport. D) Transpiration. Show Answer Correct Answer: B) Diffusion. 7. What does the microsporangia develop into? A) Pollen grain. B) Pollen tube. C) Pollen sac. D) Pollen mother cell. Show Answer Correct Answer: C) Pollen sac. 8. 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 plant. B) The amount of sunlight. C) The type of music. D) The type of liquid. Show Answer Correct Answer: D) The type of liquid. 9. 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) An antibiotic resistance plasmid is received from a bacterium in another population. C) The enzyme needed for antibiotic resistance is received from a bacterium in another population. D) The bacteria have mutated in response to antibiotics in the environment. Show Answer Correct Answer: B) An antibiotic resistance plasmid is received from a bacterium in another population. 10. 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. 11. 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) Interphase. C) Metaphase. D) Telophase. Show Answer Correct Answer: C) Metaphase. 12. What eats Producers A) Animals. B) Other producers. C) Chemoautotrophs. D) Hetertrophs. Show Answer Correct Answer: D) Hetertrophs. 13. Study of ANIMALS A) Mycology. B) Taxonomy. C) Cytology. D) Zoology. Show Answer Correct Answer: D) Zoology. 14. In micropropagation, where are cells to be cloned usually taken from? A) Leaves. B) Shoot apex. C) Xylem. D) Phloem. Show Answer Correct Answer: B) Shoot apex. 15. Which kingdom is the most diverse? A) Animalia. B) Fungi. C) Eubacteria. D) Protista. Show Answer Correct Answer: A) Animalia. 16. The enzyme that helps in digestion of fats is A) Pepsin. B) Renin. C) Lipase. D) Amylase. Show Answer Correct Answer: C) Lipase. 17. 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. 18. 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. 19. 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. 20. 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. ← PreviousNext →Related QuizzesScience QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books