This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 2 Biological Classification – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 2 Biological Classification Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which Domain includes organisms that live in extreme environments like hot springs? A) Bacteria. B) Archaea. C) Eukarya. D) Protista. Show Answer Correct Answer: B) Archaea. 2. Which one of the following is an incorrect statement regarding mycoplasma? A) They lack a cell wall. B) They are the smallest living. C) They cannot survive without oxygen. D) They are pathogenic in plants and animals. Show Answer Correct Answer: C) They cannot survive without oxygen. 3. Which of these is a fungus? A) Bacteria. B) Mushroom. C) Algae. D) Seaweed. Show Answer Correct Answer: B) Mushroom. 4. During the formation of bread it becomes po-rous due to release of CO2by the action of A) Yeast. B) Bacteria. C) Viruses. D) Protozoans. Show Answer Correct Answer: A) Yeast. 5. Virus envelope is known as A) Capsid. B) Virion. C) Nucleoprotein. D) Core. Show Answer Correct Answer: A) Capsid. 6. Mycoplasma are classified under which of the following kingdoms? A) Monera. B) Protista. C) Fungi. D) Plantae. Show Answer Correct Answer: A) Monera. 7. T.O. Diener discovered a A) Free infectious RNA. B) Free infectious DNA. C) Infectious protein. D) Bacteriophage. Show Answer Correct Answer: A) Free infectious RNA. 8. ..... is the most common method of reproduction in bacteria. A) Binary fission. B) Endospore formation. C) Sexual reproduction. D) Conjugation. Show Answer Correct Answer: A) Binary fission. 9. Which of the following statements is incorrect regarding the structure of a typical bacterial cell? A) Cells possess naked circular DNA which is folded to form nucleoid. B) Cells are surrounded by a peptidoglycan cell wall and a mucilaginous sheath. C) Cells possess well developed membrane bound cell organelles. D) Ribosomes in these cells are 70S in nature. Show Answer Correct Answer: C) Cells possess well developed membrane bound cell organelles. 10. Which of the following is a ciliated protozoan? A) Plasmodium vivax. B) Amoeba proteus. C) Paramecium caudatum. D) Leishmania donovani. Show Answer Correct Answer: C) Paramecium caudatum. 11. In the biological classification system, which taxonomic rank comes directly above 'Genus'? A) Family. B) Order. C) Class. D) Species. Show Answer Correct Answer: A) Family. 12. Which domain includes organisms that are known for living in extreme environments, such as hot springs and salt lakes? A) Bacteria. B) Archaea. C) Eukarya. D) Protista. Show Answer Correct Answer: B) Archaea. 13. What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)? A) Tail. B) Nucleus. C) Capsid. D) Glycoprotein. Show Answer Correct Answer: C) Capsid. 14. The science of classifying is called A) Taxonomy. B) Trigonometry. C) Taxation. D) Tribulations. Show Answer Correct Answer: A) Taxonomy. 15. Which statement is incorrect w.r.t Mycoplasma . A) Survive only in absence of oxygen. B) Pathogenic to plants and animals. C) Sensitive to tetracycline. D) Heterotrophic in nutrition. Show Answer Correct Answer: A) Survive only in absence of oxygen. 16. Who divided animals into Anaima & Enaima A) Aristotle. B) Linnaeus. C) John Ray. D) Whittaker. Show Answer Correct Answer: A) Aristotle. 17. Which of the following does NOT describe a beneficial use of fungi to humans? A) Fungi provide humans with oxygen during photosynthesis. B) Fungi are nature's "recyclers" and return nutrients to the environment. C) Fungi are used to create many medicines. D) Fungi are used for food for making certain foods. Show Answer Correct Answer: A) Fungi provide humans with oxygen during photosynthesis. 18. Which one of the following statements is wrong? A) Golden algae are also called desmids. B) Eubacteria are also called false bacteria. C) Phycomycetes are also called algal fungi. D) Cyanobacteria are also called blue-green algae. Show Answer Correct Answer: B) Eubacteria are also called false bacteria. 19. The following pairs of diseases caused by viruses? A) Measles and Rabies. B) Syphilis and AIDS. C) Tetanus and typhoid. D) Whooping cough and sleeping sickness. Show Answer Correct Answer: A) Measles and Rabies. 20. Bacillus thuringensis can withstand heating, dryness and toxic chemicals that kill most other bacteria. This indicates that it is probably able to form A) Pseudopodia. B) Endotoxin. C) Pili. D) Endospores. Show Answer Correct Answer: D) Endospores. 21. WHO SAID VIRUS MEANS POISONOUS FLUID A) D J IVANOWSKY. B) W M STANLEY. C) PASTEUR. D) M BEIJERINEK. Show Answer Correct Answer: C) PASTEUR. 22. Members of Kingdom Animalia are ..... A) Heterotrophs. B) Autotrophs. C) All the above. D) None of the above. Show Answer Correct Answer: A) Heterotrophs. 23. Which kingdom includes multicellular organisms that are not plants or animals? A) Fungi. B) Protista. C) Bacteria. D) Archaea. Show Answer Correct Answer: A) Fungi. 24. Archaeabacteria do not show A) Peptidoglycan in cell wall. B) Introns in DNA. C) Branched chain lipids in cell membrane. D) Ribosomal protein with high acidic nature. Show Answer Correct Answer: A) Peptidoglycan in cell wall. 25. A bacteria divides once every minute & it takes 1 hour to fill a cup. How much time it will take to fill half the cup A) 30 minutes. B) 60 minutes. C) 29 minutes. D) 59 minutes. Show Answer Correct Answer: D) 59 minutes. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 2 Biological Classification Quiz 1Class 11 Biology Chapter 2 Biological Classification Quiz 2Class 11 Biology Chapter 2 Biological Classification Quiz 3Class 11 Biology Chapter 2 Biological Classification Quiz 4Class 11 Biology Chapter 2 Biological Classification Quiz 5Class 11 Biology Chapter 2 Biological Classification Quiz 6Class 11 Biology Chapter 2 Biological Classification Quiz 7Class 11 Biology Chapter 2 Biological Classification Quiz 8Class 11 Biology Chapter 2 Biological Classification Quiz 9Class 11 Biology Chapter 2 Biological Classification Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books