This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 10 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The pigment known as chlorophyll ..... A) Reflects green wavelengths of light. B) Absorbs most wavelengths of light. C) Puts water vapor into the atmosphere. D) Both reflects green wavelengths of light AND absorbs most other wavelengths of light. Show Answer Correct Answer: D) Both reflects green wavelengths of light AND absorbs most other wavelengths of light. 2. Which life process helps an organism to create energy? A) Excretion. B) Reproduction. C) Cellular respiration. D) Growth. Show Answer Correct Answer: C) Cellular respiration. 3. Which organisms carry out respiration, growth, movement and excretion? A) All animals and all plants. B) Animals only. C) Arthropods and flowering plants only. D) Plants only. Show Answer Correct Answer: A) All animals and all plants. 4. Carbon dioxide enters plant leaves through the ..... A) Stomata. B) Chloroplasts. C) Xylem. D) Cuticle. Show Answer Correct Answer: A) Stomata. 5. Which part of the aphid will reach into which structure in the plant? A) Tail piece; phloem. B) Stylet; xylem. C) Tail piect; pith. D) Stylet; phloem. Show Answer Correct Answer: D) Stylet; phloem. 6. What happens during the formation of Okazaki fragments? A) DNA polymerase I adds nucleotides in the 5' $\rightarrow$ 3' direction. B) RNA polymerase adds nucleotides in the 3' $\rightarrow$ 5' direction. C) DNA polymerase III adds nucleotides in the 5' $\rightarrow$ 3' direction. D) DNA polymerase III adds nucleotides in the 3' $\rightarrow$ 5' direction. Show Answer Correct Answer: C) DNA polymerase III adds nucleotides in the 5' $\rightarrow$ 3' direction. 7. What are the basic building blocks of life? A) Atoms. B) Cells. C) Tissues. D) Organs. Show Answer Correct Answer: B) Cells. 8. What are the subunits of DNA and their function? A) Nucleotides that store information. B) Monosaccharides that provide quick energy for the cell. C) Lipids that store energy and provide insulation. D) Proteins that provide the building blocks for the structural components of organisms. Show Answer Correct Answer: A) Nucleotides that store information. 9. ..... is the uncontrolled growth of cells, often resulting in a tumor or mass of abnormal cells A) Cancer. B) Apoptosis. C) Radiation. D) None of above. Show Answer Correct Answer: A) Cancer. 10. A molecule is formed when two or more ..... chemically join together. A) Atoms. B) Compounds. C) Mixtures. D) Solutions. Show Answer Correct Answer: A) Atoms. 11. Where are haploid sex cells produced in a plant? A) Ovule and filament. B) Ovary and filament. C) Ovule and anther. D) Ovary and anther. Show Answer Correct Answer: D) Ovary and anther. 12. Emission of light in aquatic animals A) Bioluminescence. B) Hot light. C) Thermal radiation. D) Cold receptors. Show Answer Correct Answer: A) Bioluminescence. 13. What makes the endoplasmic reticulum rough? A) Vessicles. B) Vacuoles. C) Ribosomes. D) Chromosomes. Show Answer Correct Answer: C) Ribosomes. 14. How does DNA code for proteins in a cell? A) By creating a new double helix structure. B) By using its phosphate and sugar molecules. C) By adding more hydrogen bonds to its structure. D) By arranging certain nitrogen bases of the cell in a particular order. Show Answer Correct Answer: D) By arranging certain nitrogen bases of the cell in a particular order. 15. Limbless amphibian A) Bufo. B) Salamander. C) Ichthyophis. D) Rana tigris. Show Answer Correct Answer: C) Ichthyophis. 16. The raccoon has hands and feet. Why would the raccoon need this adaptation? A) To fight other raccoons. B) To help them find and pick up food. C) To easily climb in trees. D) To help them pick fruit. Show Answer Correct Answer: B) To help them find and pick up food. 17. Living things are based on a universal geneticcode. What molecule is responsible for that code? A) RNA. B) Lipid. C) Protein. D) DNA. Show Answer Correct Answer: D) DNA. 18. Which sequence of DNA bases would pair with this partial strandATG TGA CAG A) ATG TGA CAG. B) TAC ACT GTC. C) GTA AGT GAC. D) CAT TCA CTG. Show Answer Correct Answer: B) TAC ACT GTC. 19. What organelle stores waste and water in both plant and animal cells? A) Lysosomes. B) Golgi Complex. C) Vacuoles. D) Endoplasmic Reticulum. Show Answer Correct Answer: C) Vacuoles. 20. Only 10 percent of the energy stored in an organism can be passed on to the next feeding/trophic level. Of the remaining energy, some is used for the organism's ....., and the rest is eliminated as heat. A) Reproduction. B) Body fat. C) Body tissue. D) Life processes. Show Answer Correct Answer: D) Life processes. ← 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