This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 12 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The emulsification of fats during digestion is made by A) Salivary juice. B) Gastric juice. C) Bile juice. D) Pancreatic juice. Show Answer Correct Answer: C) Bile juice. 2. An organelle in a cell that receives proteins and other newly formed materials from the endoplasmic retiulum packages them and distributes them to other parts of the cell A) Vacuole. B) Chloroplast. C) Ribosome. D) Golgi apparatus. Show Answer Correct Answer: D) Golgi apparatus. 3. Organism A) An individual, plant or single celled life form. B) An atom that is part of the body. C) A proton in the nucleus. D) None of above. Show Answer Correct Answer: A) An individual, plant or single celled life form. 4. There are five categories of vertebrates. Which one is not a vertebrate? A) Mammals. B) Birds. C) Arthropods. D) Reptiles. Show Answer Correct Answer: C) Arthropods. 5. What is a-COOH group called? A) Amine group. B) Hydroxyl. C) Carboxyl. D) Methyl. Show Answer Correct Answer: C) Carboxyl. 6. What are the three components of a nucleotide? A) Sugar, hydrogen, nitrogen base. B) Sugar, oxygen, nitrogen base. C) Sugar, phosphate, nitrogen base. D) Sugar, phosphate, protein. Show Answer Correct Answer: C) Sugar, phosphate, nitrogen base. 7. What do you call the second organism in a food chain? A) Predator. B) Prey. C) Consumer. D) Producer. Show Answer Correct Answer: C) Consumer. 8. Dendrology is A) The science study of all plants. B) The science study of mammals. C) The science and study of wooded plants. D) The science study of fish. Show Answer Correct Answer: C) The science and study of wooded plants. 9. Which level of classification is the most specific? A) Domain. B) Species. C) Genus. D) Kingdom. Show Answer Correct Answer: B) Species. 10. What limits the length of a food chain in an ecosystem? A) The size of the individual organisms. B) Competition between organisms. C) The loss of energy between trophic levels. D) Natural selection. Show Answer Correct Answer: C) The loss of energy between trophic levels. 11. What is the basis for all variation among organisms? A) Mutation. B) Genetic Drift. C) Migration. D) Inbreeding. Show Answer Correct Answer: A) Mutation. 12. The leaves of Cacti are modified into spines to A) Conserve water. B) Trap insects. C) Provide support. D) None of above. Show Answer Correct Answer: A) Conserve water. 13. Study of ANIMAL BEHAVIOUR. A) Ornithology. B) Icthyology. C) Entomology. D) Ethology. Show Answer Correct Answer: D) Ethology. 14. Photosynthesis is to chloroplasts as cellular respiration is to ..... A) Nuclei. B) Golgi. C) Mitochondria. D) Ribosomes. Show Answer Correct Answer: C) Mitochondria. 15. Before mitosis begins, which happens before the nucleus starts dividing? A) The cytoplasm separates. B) The DNA replicates. C) The sister chromatids separate. D) The homolgous chromosomes cross over. Show Answer Correct Answer: B) The DNA replicates. 16. What is the cell wall in gram positive bacteria made from? A) Cellulose. B) Peptidoglycan. C) Glucogon. D) Cytoskeleton. Show Answer Correct Answer: B) Peptidoglycan. 17. It provides the cell with energy A) Vesicle. B) Nucleus. C) Mitochondria. D) Vacuole. Show Answer Correct Answer: C) Mitochondria. 18. Where is the Tertiary Consumer on the pyramid? A) Bottom. B) Bottom middle. C) Top Middle. D) Top. Show Answer Correct Answer: D) Top. 19. Adipose tissue secretes A) Glycogen. B) Insulin. C) Leptin. D) Iodine. Show Answer Correct Answer: C) Leptin. 20. All of the chemical reactions that occur within the cell(s) of an organism A) Metabolism. B) Transport. C) Photosynthesis. D) Biochemistry. Show Answer Correct Answer: A) Metabolism. ← 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