This quiz works best with JavaScript enabled. Home > Science > Biology > Zoology – Quiz 122 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Zoology Quiz 122 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which part of the mollusc body contains the group of organs? A) Foot. B) Visceral Mass. C) Trochophore. D) Mantle. Show Answer Correct Answer: B) Visceral Mass. 2. Most abundant cells in the human blood are A) Leucocytes. B) Plasma cells. C) Erythrocytes. D) Platelets. Show Answer Correct Answer: C) Erythrocytes. 3. Which one among the following was the first genetic material? A) DNA. B) RNA. C) Protein. D) Nuclein. Show Answer Correct Answer: B) RNA. 4. Sea stars feed by A) Injecting poison that digests the prey. B) Everting their stomach to digest prey. C) Chewing their prey with jaws and teeth. D) Squeezing their prey until it dies. Show Answer Correct Answer: B) Everting their stomach to digest prey. 5. What does tooth marks in fossil shells tell us about animals in the past. A) Clues about temperature in the environment. B) If there was an ocean there or not. C) Plant life in the area. D) Who ate who. Show Answer Correct Answer: D) Who ate who. 6. Hooks and suckers that allow tapeworms to attach to their host is a A) Proglottid. B) Pharynx. C) Scolex. D) Tegument. Show Answer Correct Answer: C) Scolex. 7. Throat nephridia is seen A) A in the 14th continent. B) B 5-9 in the continent. Show Answer Correct Answer: B) B 5-9 in the continent. 8. Adenine always pair with Cytosine A) True. B) False. Show Answer Correct Answer: B) False. 9. Cnidarians have an incomplete digestive system because it only has one opening which is where excess food and waste products exit through. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 10. This phylum contains specialized cells by no other organizational levels A) Porifera. B) Cnidarians. C) Mollusca. D) Arthorpoda. E) Worms (annelida, nematoda, plathelminths). Show Answer Correct Answer: A) Porifera. 11. Flies are insects that have a type of mouth that absorbs liquid (sponging liquid)/licks. The part of the fly's mouth marked x is..... A) Lip. B) The lips. C) Maxilla. D) Mandible. Show Answer Correct Answer: B) The lips. 12. An ..... is a behavior that is inherited. It helps animals meet their needs and respond to stimuli in their environments. A) Stimulus. B) Behaviors. C) Instinct. D) Migration. Show Answer Correct Answer: A) Stimulus. 13. What is a disadvantage of having a coelom in animals? A) It makes the animal more vulnerable to predators. B) It prevents the development of specialized body parts. C) It requires more energy to maintain. D) It limits the size of the animal. Show Answer Correct Answer: C) It requires more energy to maintain. 14. Environment is our surroundings. A) True. B) False. Show Answer Correct Answer: A) True. 15. What stage in the metamorphosis of a butterfly is caterpillar? A) Egg. B) Larva. C) Pupa. D) Adult. Show Answer Correct Answer: B) Larva. 16. In which order are the frogs and toads in? A) Anura. B) Urodela. C) Apoda. D) None of above. Show Answer Correct Answer: A) Anura. 17. All the populations living in an ecosystem. A) Population. B) Community. C) Ecosystem. D) Species. Show Answer Correct Answer: B) Community. 18. The polypeptide chain A and B attached together by A) A peptide bond. B) B disulphide bond. Show Answer Correct Answer: B) B disulphide bond. 19. Molluscs have A) A complete digestive system. B) An incomplete digestive system. Show Answer Correct Answer: A) A complete digestive system. 20. Which is not true about all animals? A) Herotrophic. B) Multicellular. C) Eukaryotic. D) Make their own food. Show Answer Correct Answer: D) Make their own food. ← PreviousNext →Related QuizzesScience QuizzesZoology Quiz 1Zoology Quiz 2Zoology Quiz 3Zoology Quiz 4Zoology Quiz 5Zoology Quiz 6Zoology Quiz 7Zoology Quiz 8Zoology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books