This quiz works best with JavaScript enabled. Home > Science > Biology > Biological Sciences – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biological Sciences Quiz 7 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A body part in one organism that is similar in function with the body part of another is called a A) Homologous structure. B) Analagous structure. C) Vestigial structure. D) Pharyngial pouch. Show Answer Correct Answer: A) Homologous structure. 2. A special type of blood protein known as fibrinogen helps in. A) Blood supply. B) Blood clotting. C) Blood transport. D) Blood infusion. Show Answer Correct Answer: B) Blood clotting. 3. Most of the changes in materials are physical or. A) Permanent. B) Compound. C) Chemical. D) Hard. Show Answer Correct Answer: C) Chemical. 4. Quarrying, mining, construction work and deforestation are all examples of what type of biological weathering? A) Plant. B) Animal. C) Human. D) None of above. Show Answer Correct Answer: C) Human. 5. Sponges get their food by filtering it from the water. This makes them- A) Filter feeders. B) Omnivores. C) Plantavores. D) Hermaphrodites. Show Answer Correct Answer: A) Filter feeders. 6. The most primitive Multicellular are the sponges and the . A) Echninoderms. B) Arthropods. C) Corals. D) Coelentrates. Show Answer Correct Answer: C) Corals. 7. The study of evolution by studying the development of the fertilized egg cell and its development into an organism is called A) Molecular Biology. B) Evolution. C) Embryology. D) Paleontology. Show Answer Correct Answer: C) Embryology. 8. What kind of a structure is it? An Ostrich's wing A) Homologous. B) Analogous. C) Vestigial. D) Pharyngeal. Show Answer Correct Answer: C) Vestigial. 9. Estrogen, progesterone testosterone cortisol hydrocortisone and corticosterone are some ..... hormones. A) Basic. B) Primary. C) Steroid. D) Secondary. Show Answer Correct Answer: C) Steroid. 10. What is a multicellular organism? A) An organism with only one cell. B) Bacteria. C) An organism with more than one type of cell. D) None of above. Show Answer Correct Answer: C) An organism with more than one type of cell. 11. Antibodies are key elements in the body, s ..... system. A) Blood. B) Immune. C) Hormone. D) Nervous. Show Answer Correct Answer: B) Immune. 12. Name the smallest blood particles which play a crucial role in blood clotting. A) Red blood cells. B) Platelets. C) White blood cells. D) Plasma. Show Answer Correct Answer: B) Platelets. 13. The quantity of DNA in an egg and a sperm cell of a species is. A) Double. B) Different. C) Half. D) Same. Show Answer Correct Answer: D) Same. 14. All the plants and animals are composed of . A) Genes. B) Cells. C) Hormones. D) Enzymes. Show Answer Correct Answer: B) Cells. 15. Server disturbance of blood glow to the brain may cause a. A) Blood clotting. B) Nervous breakdown. C) Heart failure. D) Stroke. Show Answer Correct Answer: D) Stroke. 16. Which of the following are classified as a mollusks? A) Bees. B) Slugs. C) Frogs. D) Monkeys. Show Answer Correct Answer: B) Slugs. 17. How many sugar units make up polysaccharides? A) One. B) Two. C) More than two. D) Zero. Show Answer Correct Answer: C) More than two. 18. Which of the following nutrients provides energy to the body? A) Carbohydrates. B) Vitamins. C) Water. D) Minerals. Show Answer Correct Answer: A) Carbohydrates. 19. Who is the Father of Modern Taxonomy? A) Darwin. B) Einstein. C) Newton. D) Linnaeus. Show Answer Correct Answer: D) Linnaeus. 20. DNA and RNA are examples of A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. ← PreviousNext →Related QuizzesScience QuizzesBiological Sciences Quiz 1Biological Sciences Quiz 2Biological Sciences Quiz 3Biological Sciences Quiz 4Biological Sciences Quiz 5Biological Sciences Quiz 6Biological Sciences Quiz 8Biological Sciences Quiz 9Biological Sciences Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books