This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 2 Biological Classification – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 2 Biological Classification Quiz 34 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following environmental conditions are essentials for optimum growth of Mucor on a piece of bread? i. Temperature of about 25$^\circ$Cii. Temperature of about 5$^\circ$Ciii. Relative humidity of about 5%iv. Relative humidity of about 95%v. A shady placevi. A brightly illuminated placeChoose the answer from the following options A) I, iv and v only. B) Ii, iv and v only. C) Ii. iii and vi only. D) I, iii and v only. Show Answer Correct Answer: A) I, iv and v only. 2. Red tides in warm coastal water develop due to the abundance of A) Dinoflagellates. B) Euglenoids. C) Diatoms and desmids. D) Slime moulds. Show Answer Correct Answer: A) Dinoflagellates. 3. The envelope of a virus is called A) Core. B) Virion. C) Capsid. D) Cell envelope. Show Answer Correct Answer: C) Capsid. 4. Which of the following organisms are LEAST closely related? A) Organisms that share a domain. B) Organisms that share a family. C) Organisms that share a genus. D) Organisms that share a species. Show Answer Correct Answer: A) Organisms that share a domain. 5. Plants that posses spores and embryo but lack vascular tissues and seeds A) Rhodophyta. B) Bryophyta. C) Pteridophyta. D) Phaeophyta. Show Answer Correct Answer: B) Bryophyta. 6. Trichonympha is a symbiont in alimentary canal of A) Earthworm. B) Snails. C) Hermit Crab. D) Termite. Show Answer Correct Answer: D) Termite. 7. Which of the following are the most suitable indicators of SO2 pollution in the environment? A) Conifers. B) Algae. C) Fungi. D) Lichens. Show Answer Correct Answer: D) Lichens. 8. A common character found in a ascomycetes member, deuteromycetes member and basidiomycetes member studied by you is A) Asexual reproduction by conidia. B) Vegetative reproduction by budding. C) Branched, septate mycelium. D) Meiosis takes place in fruiting bodies. Show Answer Correct Answer: C) Branched, septate mycelium. 9. I. Mycelium is branched and septateII. No sexual spores are generally formedIII. vegetative reproduction by fragmentation is commonIV. Sex organs are absent but sexual reproduction takes place by somatogamyV. Karyogamy and meiosis occur in basidium to form haploid exogenous 4 basidiosporesVI. Basidia are arranged in basidiocarpThe above characters are assigned to: A) Sac Fungi. B) Club Fungi. C) Algal Fungi. D) Fungi Imperfecti. Show Answer Correct Answer: B) Club Fungi. 10. Smallest living organism A) Nostoc. B) Spirulina. C) Mycoplasma. D) Trifolium. Show Answer Correct Answer: C) Mycoplasma. 11. What is the primary purpose of classification in biology? A) To create confusion with different names. B) To arrange organisms into orderly groups based on similarities. C) To reduce the number of species on Earth. D) To make Latin the universal language. Show Answer Correct Answer: B) To arrange organisms into orderly groups based on similarities. 12. The Phylum Cnidaria contains which common names of creatures? A) Cats. B) Tiny marine worms. C) Turtles. D) Sea anemones and jellyfishes. Show Answer Correct Answer: D) Sea anemones and jellyfishes. 13. Pseudomycelium is a characteristic feature of A) Mushroom. B) Mucor. C) Yeast. D) Bread Mould. Show Answer Correct Answer: C) Yeast. 14. Which level of biological classification is the LEAST specific? A) Domain. B) Kingdom. C) Genus. D) Family. Show Answer Correct Answer: A) Domain. 15. What is biological classification also known as? A) Species grouping. B) Biological sorting. C) Taxonomy. D) Scientific naming. Show Answer Correct Answer: C) Taxonomy. 16. $^{which is not an example of sexual spore of fungi?}$ A) Zygospore. B) Oospore. C) Ascospore. D) Aplanospore. Show Answer Correct Answer: D) Aplanospore. 17. Assertion:Ascomycetes and basidiomycetes classes considered as advance fungi classes.Reason:Septate mycelium is found and complex fruiting body is formed in these groups. A) Both are correct and reason is correct explanation of assertion. B) Both are correct. C) Both are correct and reason is incorrect explanation of assertion. D) Both are wrong. Show Answer Correct Answer: A) Both are correct and reason is correct explanation of assertion. 18. Crown gall disease is caused by, A) E.coli. B) Thiobacillus. C) Agrobacterium. D) Clostridium. Show Answer Correct Answer: C) Agrobacterium. 19. DIFFERENCE BETWEEN VIRUS AND VIROIDS IS A) ABSENCE OF PROTEI COAT IN VIROIDS BUT PRESENT IN VIRUS. B) PRESENCE OF RNA IN VIRUS ABSENT IN VIROIDS. C) BOTH. D) NONE. Show Answer Correct Answer: A) ABSENCE OF PROTEI COAT IN VIROIDS BUT PRESENT IN VIRUS. 20. Which is not an example of Pteridophytes A) Funaria. B) Equisetum. C) Fern. D) Salvinia. Show Answer Correct Answer: A) Funaria. 21. Which taxonomic group is characterized by organisms that are primarily decomposers? A) Animalia. B) Plantae. C) Fungi. D) Protista. Show Answer Correct Answer: C) Fungi. 22. Which of the following lists contains only biotic factors? A) Acorns, worms, soil, light. B) Nuts, weeds, acorns, snails. C) Mice, tall grass, spiders, soil. D) Rock, cows, shells, warm climate. Show Answer Correct Answer: B) Nuts, weeds, acorns, snails. 23. Which of the following is/are example(s) of deuteromycetes? A) Alternaria. B) Colletotrichum. C) Trichoderma. D) All of these. Show Answer Correct Answer: D) All of these. 24. What type of organisms did Linnaeus' system include? A) Only multicellular organisms. B) Only photosynthetic organisms. C) Only unicellular organisms. D) All plants and animals. Show Answer Correct Answer: D) All plants and animals. 25. Which of the following is NOT a characteristic of the Archaea domain? A) Similar to true bacteria. B) Single-celled organisms. C) Living in extreme environments. D) Lack of a nucleus. Show Answer Correct Answer: A) Similar to true bacteria. ← 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