Generic epithet is a simple noun which should come first and always begin with a capital letter. He has based his 5-kingdom classification of living organisms on the following factors: Structure of cells (either Prokaryotic or Eukaryotic). (A) species, Question 7. Vibrio cholerae: It causes cholera. (c) Their cells aggregate to form a large cell mass called plasmodium. Answer: The entire living world was divided into five kingdoms: Monera. These are multicellular. The binomials are easy to understand and remember. Systematics is the study of kinds and diversity of organisms and their comparative and evolutionary relationship. Answer: Answer: China Rose What are the facultative taxonomic categories? Arrangement of organisms into distinct categories is called Answer: (A) Diatoms Answer: (A) They are acellular. Diatoms forms a substance called Diatomaceous earth. Quesiton 2. Question 19. Question 42. They are found in extreme environments like snow clad poles. Answer: These glands are also called ductless glands. Answer: Question 3. Answer: What is the structure of virus? These are commonly found in warm and humid places. It is also used for identification of medicinal plants. (B) Lichens do not grow in polluted areas. Answer: Maharashtra State Board 11th Std Biology Textbook Solutions Digest. (A) Saltophiles Identify the following diagram, label it and write detail information in your words. Asexual reproduction takes place by spores called conidia which are produced at the tip of hyphae called conidiophores. In Helianthus annuus, annuus indicates 1. Answer: This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your . Filaments show heterocyst which helps in nitrogen fixation. Taxonomic Hierarchy, Kingdom Sub-kingdom Division/phylum Class Cohort /order Family Genus Species. (e) Flagellated protozoans have flagella as locomotory organ. From "Medium", select the medium suitable to you. These are commonly called as club fungi. Answer: (D) Psychrophiles E.g. Google has many special features to help you find exactly what you're looking for. (a) The division is a category composed of related classes. Best school in Maharashtra 2022, Download the textbook PDF in English and Regional Languages from below of 11th Biology book pdf Maharashtra board, Maharashtra State Board Class 11th Biology Books pdf for free - English Medium. (a) Species is the principal natural taxonomic unit, ranking below a genus. (D) Genus 1. Some possess autotrophic mode (blue-green algae) while the other heterotrophic. Hint: Bacteria found in extremely saline conditions are called halophiles. Answer: : It causes food poisoning. 2. (B) ICBN (3) When the gametes unite it is called process of fertilization which produces diploid zygote. Step 6: (C) Plantarum Linnaeus Reproduction: They reproduce both sexually as well as asexually. Agaricus belongs to class 3. Do not forget to leave a thumbs up, share it with the people who need it, and HIT the SUBSCRIBE button. Carl Woese proposed the three-domain system. Question 28. (a) They are the primitive animal forms. Answer: 1. What is the genetic material in viroids? (iii) They possess two flagella, one short and other long. Students can also refer to Pradeep publications to strengthen their concepts further. (D) Moss Characteristics of Kingdom plantae: Question 49. Answer: The applications of DNA barcoding are as follows: Question 11. Unicellular What are lichens? de Candolle Systematics Of Living Organisms. e.g. Do not forget to leave a thumbs up, share it with the people who need it, and HIT the SUBSCRIBE button. (D) order Balbharti Maharashtra State Board 11th Biology Important Questions Chapter 2 Systematics of Living Organisms Important Questions and Answers. Diseases caused by viruses in plants: 4. division Angiospermae includes two classes Dicotyledonae and Monocotyledonae. Order Bacillus is Why a unique name for a particular individual is essential in a multilingual country like India? In plants, growth is indefinite and occurs throughout their life. For e.g. They are differentiated from other bacteria on the basis of their different cellular features. (C) Halophiles, Question 21. Answer: Question 9. Question 28. The system helps to understand the evolution and also focuses on the similarities of their metabolic functioning. It is divided into two major groups Cryptogams and Phanerogams. (B) i d, ii a, iii c, iv b Maharashtra State Board HSC 11th Biology Important Questions and Answers. (A) Eukarya The term Taxonomy was coined by Generic epithet is a simple noun which should come first and always begin with a capital letter. Answer: 2. Answer: Question 13. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. Answer: What is the genetic material in viruses? (i) It belongs to kingdom Protista. (B) rod shaped, Question 23. Amoeba is free living form, but Entamoeba is endoparasite and causes amoebic dysentery. Amoeba, Entamoeba. Hyphae are branched and septate. The hyphae may be with septa (septate) or without septa (aseptate). Maharashtra state board 11th textbook for Biology includes in-depth knowledge of topics such as the living world, systematics of living organisms, kingdom Plantae and Animalia, biomolecules, cell division, photosynthesis, and human nutrition. Answer: Rarely they are unicellular (e.g. Name the three domains of life. Question 29. (D) IBA 2. Biflagellate one placed longitudinally and the other transversely. (a) Species is the principal natural taxonomic unit, ranking below a genus. (B) class (A) Three kingdom system of classification Haeckel Systematics is the study of kinds and diversity of organisms and their comparative and evolutionary relationship. All unicellular eukaryotes form a connecting link between prokaryotic Kingdom Monera and complex eukaryotic Kingdoms Plantae, Fungi and Animalia. Protists are of different types: Euglenoids: Systematics considers evolutionary relationships between organisms. Venus fly trap, pitcher plant, bladderwort, while some are heterotrophic parasitic members like Cuscuta. 1. 2. (ii) Animal like protists (Consumer protists): DNA barcoding is a new method for identification of any species based on its DNA sequence, which is obtained from a tiny tissue sample of the organism under study. E.g. Select the WRONG statement. Explain the term taxonomy. (b) An order is a group of closely related families showing definite affinities. Holozoic mode of nutrition is observed in which kingdom? Question 49. Diatoms. Who suggested five kingdom system of classification? The question have been saved in answer later, you can access it from your profile anytime. Answer: E.g. Lichen is an association of an alga and fungus. (D) kingdom (b) A family represents a group of closely related genera. Answer: Answer: The given figure represents Agaricus (Mushroom). What is taxonomic category? (B) Phylogenetic relationship (C) Algal component of lichens is called mycobiont., Thus, it is a classification based on chemical constituents of organisms. (B) Basarai (D) Euglena It causes malaria. (e) Flagellated protozoans have flagella as locomotory organ. 2. 2 3. (C) Five Kingdom system of classification R.H.Whittaker (A) Malvales, Question 11. Why lichens are considered as pollution indicators? All categories together constitute the taxonomic hierarchy. It is based on objectively significant characters with respect to their affinities with other organisms. Woeses three domain concept as well as Whittakers five kingdom system are examples of phylogenetic relationship. (D) Scientific names are in Latin and should be italized. (A) grade Answer: (A) Eukarya, Question 5. Answer: (c) Their cells aggregate to form a large cell mass called plasmodium. 2. Who proposed it? (g) Plasmodium is a Sporozoan protozoa. genera like Hibiscus, Gossypium, Sida, Bombax are included in same family Malvaceae. One male gamete is from father while the other female gamete is from mother. 1. Write a note on cladogram? The basic unit of classification (c) For e.g. Label the given figures representing ventral and dorsal view of Gonyaulax. Answer: Chapter 1 Living World Important Questions; Chapter 2 Systematics of Living Organisms Important Questions; Chapter 3 Kingdom Plantae Important Questions; Chapter 4 Kingdom Animalia Important Questions; Chapter 5 Cell Structure and Organization Important Questions (C) Mycoplasma (c)Most of them are referred as Diatoms because they have body wall made up of two soap-box like fitting silica covers. Question 30. (A) Bacillus Question 5. Clostridium tetani: It causes tetanus. (i) Species: Find ppt, mcq tests, lecture videos and search board question papers, notes at online science study. Answer: Nucleus: The cells may be multinucleate or uninucleate. In Mangifera indica L., letter L indicates authors name i.e. Answer: Question 6. (d) Another example is genus Solarium. The body of a fungus is made up of Euglena This will clear students doubts about any question and improve application skills while preparing for board exams. (A) Carl Linnaeus Question 20. systematics of living organisms by. Answer: 3. As we go higher in taxonomical ladder i.e. Define Systematics. Answer: Growth: It is determinate, (follow definite pattern). at the end of the biological name in this manner Mangifera indica Linn. Engler and Prantls classification. Examples: Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions . 1. Pellicle covering provides flexibility and contractibility to Euglena. Examples of some useful bacteria: Viroids: Question 1. Question 46. (B) Mushrooms belong to Basidiomycetes. A taxonomic group of any rank is called Who proposed binomial system of nomenclature? Answer: E.g. (A) ICBN Step 8: (d) The spores of plasmodium are very tough and survive extreme conditions, e.g. Which of the following is against the rules of ICBN? Examples of some harmful bacteria: Yes, the Maharashtra state board also conducts a practical examination to see whether the student also possesses knowledge of the subject in the real world. The bacteria that can withstand high salinities are called Linnaeus system of classification. Chapter 7 Cell Division. Answer: Answer: In your laboratory you accidentally discover an old permanent slide without a label. (d) Bacteriophages have double stranded DNA as the genetic material. (i) They lack cell wall but have a tough covering of proteinaceous pellicle. Classification is the arrangement of organisms or groups of organisms in distinct categories in accordance with a particular and well-established plan. (D) Classification, Question 3. (b) They are saprophytic in nature, found on decaying leaves. (iii) Fungi like protists (Consumer decomposer protists): Answer: (B) Three domain system of classification Adolf Mayr, Question 9. (e) Families of dogs and cats though are different, they belong to same order Carnivora. Answer: Cell organelles: The organisms do not possess cell wall, plastids and central vacuole. Yeast). (C) Basidiomycetes, Question 28. Nutrition: They are heterotrophic, mostly holozoic, sometimes parasitic. Answer: Answer: What is domain? Answer: Why is binomial nomenclature useful for classification of organisms? (C) kingdom (A) Kingdom (d) However, in the modem taxonomy, subdivision of species such as sub-species, varities and populations are seen and given more importance. Maharashtra State Board 11th Biology Solutions Chapter 2 Systematics of Living Organisms 1. (A) Myxomycetes, Quesiton 26. Sense orgAnswer: They possess sense organs, nervous system and respond to stimuli by exhibiting certain behaviour. It is method of biological classification based on the similarities and differences in structure of certain chemical compounds present among the organisms being classified. Lowest category in the hierarchial system of classification is. Stanley demonstrated that viruses are inert and can be crystallised. 1. Question 2. (B) species (A) genus Why are archaebacteria called extremophiles? In Mangifera indica L., letter L indicates authors name i.e. (D) Nostoc, Question 14. . E.g. Their cell wall is mostly made up of cellulose. Aspergillus grows well in soil, decaying vegetation, hay, dung, on. Unicellular prokaryotic organisms are included in which kingdom?
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