Algae are?? 3. 2. morphology of flowering plants mcq | sexual reproduction in flowering plants mcq. QUESTION PAPER OF ALL INDIA AAKASH TEST SERIES--MOCK TEST FOR NEET 2018, Introduction to Algae & Chlorophyceae (Green Algae), Test: Principles Of Inheritance And Variation- 1, Test: Biotechnology - Principles And Processes- 1. A::Fungi B::Algae(☆) C: Bacteria ☆ 5: The Most Abundant Living And With Out Nucleus Organism Is Called? Solution: Cephaleuros virescens (= Cephaleuros parasiticus) is a parasitic green alga which causes the disease 'red rust of tea' in tea plants and 'leaf spot disease of guava' in gauava plant. 16) B. Chamydomonas is an algae where 2n structure is only zygote. Algae are?? Mostly Harveyella is parasitic over Polysiphonia. 2. Anisogamous : The microgamete is smaller and more active, whereas the female gamete is larger and sluggish and their fusion is called as anisogamy. This concludes my presentation on the most common algae types and their causes. Fungi can be stained by. Since they doesn't have flagella so motile stage is absent. It is much-branched, green filamentous structure formed by the germination of spores, under favourable conditions. Red rust an important disease of the tea plant (Camellia sinensis). Answer: Measles; Polio; Question 14. INDEX HEADINGAction(1). d) Both dengue and yellow fever. Plants which are not differentiated into roots, stem and leaves are grouped under. a) Yellow fever. This contains 30 Multiple Choice Questions for NEET Test: Algae - 1 (mcq) to study with solutions a complete question bank. Red algae are marine species. 2. Lakhmir Singh Science Class 8 Solutions Chapter 2 Microorganisms: Friends and Foe provided here is prepared by subject experts, according to the latest CBSE syllabus. The association between the two organisms is called symbiosis. The MCQ Questions for NEET Biology with answers have been prepared as per the latest 2021 NEET Biology syllabus, books and examination pattern. On the cell wall of brown algae, some colloid substances like fucinic acid, alginic acid and fucoidan are present which are known as hydrocolloids. Harveyella is parasitic red alga which lives as parasite on other photosynthetic red algae. Protonema represents the juvenile stage of moss (funaria). Match Column I with Column II and choose the correct option: Column I Column II A. Morels B. Smut C. Late blight of potato D. Imperfect fungi 1. The two classes of phycobilins include phycocyanin and phycoerythrin. 51 terms. Sol. Explain by giving a suitable example? Carpogonia is the female sex organ in which of the algae? (c) Algae: Agar Agar (used in food preservatives and jellies) is obtained from red algae. Green algae are considered as ancestors of  higher plants due to their resemblance with higher plants in :-. Their cell wall has many different types of substances such as xylan, galactose, polyuronic acid, polysulfate esters. Zygotic meiosis is a characteristic feature of Algae or Thallophytes. Late blight of potatoes and tomatoes, the disease that was responsible for the Irish potato famine in the mid-nineteenth century, is caused by the fungus-like oomycete pathogen Phytophthora infestans.It can infect and destroy the leaves, stems, fruits, and tubers of potato and tomato plants. Next, let’s see some algae prevention tips that can minimize the appearance or overgrowth of algae. Red algae is red due to the presence of :-. This Page is Updated Last Updated: 28/03/2021, 08:50 am IST. Question 2. Deuteromycetes 2. How is the disease caused by microorganisms classified? World environment day is celebrated on (a) 5th June (b) 28th February (c) 7th August (d) 10th April 3. Algae & Bryophytes MCQ Worksheet 7 1. which include National Eligibility Test, Pre Agriculture Test, Common Entrance Test etc. NEET Answer: Disease causing micro-organisms are called pathogens. No Zoospore formation has been observed in the Algal members belonging to:-. Students can solve NCERT Class 12 Biology Environmental Issues MCQs Pdf with Answers to know their preparation level. 1.Erysiphe causes the disease (i) powdery mildews, (ii) downy mildews (iii) covered smut (iv) late blight of potato 2.The coprophilic fungi inhabit (i) dung substratum (ii)dead wood (iii) decaying leaves (iv) food articles 3.Mycotrophy is the symbiosis of a fungus with (i) bacteria (ii) algae (iii) bryophytes (iv) other fungi 4.The process of self-fertilization in fungi is known as (i) automixis (ii) amphimixis (iii) … Red alga is eukaryotic without flagella, centrioles, with phycobiliproteins and chloroplast lacking external endoplasmic reticulum and unstacked thyllakoid. It can be prevented by maintaining personal hygiene, good sanitation practice, consumption of clean drinking water, etc. Plant diseases are caused due to fungus, virus, and bacteria. Ans. d . Sargasso sea is named after an algae Sargassum which is a. Sargassum is a kind of brown algae which is a free floating algae. Answer: Microscope is needed to see the micro-organisms. Microorganisms that grow on our food sometimes produce toxic substances which are poisonous and … Sex organ are unicellular and without jacket of sterile cell. Carotenoids collectively include the hydrocarbon carotenes (for example, beta carotene, ) and their hydroxyl derivatives, the xanthophylls. 42. Plant disease citrus canker is caused by (a) Virus (b) Fungi (c) Bacteria (d) … The genus Cephaleuros is a parasitic green alga belonging to the family Trentepoholiaceae of the … (ii) Plantae, all members of Kingdom Plantae are eukaryotic chloroplast chlorophyll containing organisms commonly called plants. 9. It occurs due to the consumption of contaminated or unhygienic food and water. Students can refer to […] Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. NCERT Exemplar Solutions NCERT Exemplar Maths NCERT Exemplar Science. Cephaleuros virescens (green alga) is parasitic on leaves of tea, coffee and mango which causes red rust of tea, coffee. Which of the following conditions favour the growth of the fungus? Most of them are free-living, found in soil and fresh water, while some are parasitic and cause diseases in plants and animals. Thallophyta reproduce sexually when gametes fuse to form a zygote. Rhodophycophyta reproduce sexually heterogamously by the union of well-differentiated nonmotile male and female germ cells, the spermatia and carpogonia (female sex organs), respectively. students definitely take this Test: Algae - 1 exercise for a better result in the exam. The lesson covers the complete explanation of class 8 Chapter 2 Microorganisms.Topics covered are Introduction to Micro-organisms and microbiology, different types of Micro-organisms, Useful and Harmful Micro-organisms. 6. Both groups have no flagellate forms. 2. 5. PART 01: PURCHASE MCQ(S)(2). Which protists are in the same eukaryotic supergroup as land plants? Students can practice the NCERT MCQ Questions for Class 8 Science Chapter 2 Microorganisms: Friend and Foe with Answers Pdf free download is available here. The vegetative cell has a cellulosic wall usually covered on the outside by a gelatinous coating of algin. A bacterium is devoid of a) Chlorophyll b) Well defined nucleus c) … long questions & short questions for NEET on EduRev as well by searching above. It grows in cold water and is used in raw food recipes for nutrition and thickening properties. Mar 29,2021 - Test: Algae - 1 | 30 Questions MCQ Test has questions of NEET preparation. Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. (a) Absence of water. In case of higher seed plants (Spermatophyta) like gymnosperm and angiosperm, flagella are absent since, presence of pollen grain eliminated use of water for fertilization. Lichens prefer to grow in pollution free environment. Biology Multiple Choice Questions on “Plant Diseases caused by Viruses and Bacteria”. d) Molybdenum. You can refer to NCERT Solutions for Class 8 Science Chapter 2 Microorganisms: Friend and Foe to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. Little leaf disease is due to the deficiency of . (i) Protista— unicellular eukaryotes hoangnhan2203. Isogamous : both the gametes are morphologically and physiologically similar and their fusion is called as isogamy. Irish moss is a member of the red algae group. Ans. Which of the following does not cause pollution? Photosynthetic pigments common to all algae :-. 1. In all living organisms, including plants, animals, birds and humans, diseases can be caused due to infectious or non-infectious agents and various other factors. 6. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 16 Environmental Issues. In the haploid phase, gametes are formed; in the diploid phase, zoospores are formed. Add your answer and earn points. Sexual reproduction in Thallophyta takes place by:-. Have a glance at the MCQ of Chapter 2 Science Class 8 and cross-check your answers during preparation. ... All algae are eukaryotic D. Bacteria are always harmful to mankind. Name a microorganism which helps in nitrogen fixation. NEET UG Biology Classification of Plant Kingdom MCQs with answers available in Pdf for free download. Core of protein surrounded by fatty sheath, Core of starch surrounded by sheath of protein, Core of nucleic acid surrounded by protein sheath. World of Education Global Organization,Wedugo App,gk questions,quiz questions,general knowledge questions and answers,general knowledge quiz with answers,general knowledge quiz and answers,science quiz questions and answers,free quiz questions and answers,easy quiz questions and answers,science quiz questions,free quiz questions,ask questions,basic knowledge quiz,basic science … 10. The disease is caused by algae of the genus Cephaleuros. Some algae are harmful as they are pathogenic to humans, parasitic on higher plants. (b) Absence of light. 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Waste water travel plant (b) Wastewater treatment plant (c) Waste water therapy plant (d) Waste water tropical plant ... 20. These bacteria normally grow in the large intestine of the human body. conducting tissues are absent. The study of algae is called algalogy or phycology (Gr. The name is used in two very different senses, so care is needed to determine the use by a particular author. a) Copper. Basidiomycetes 4. One of the common fungal diseases of man is (a) cholera (b) plague (c) typhoid (d) ringworm. The plant consists of a ‘stem’ or axis which bears whorls of branches at intervals (nodes) along its length. 1) B. Volvox colony is known as coenobium. MCQs of microorganisms please give 10 MCQ - 23587631 khananas9779 is waiting for your help. Phycomycetes (a) A = 3, B = 4, C = 1, D = … We have provided Environmental Chemistry Class 11 Chemistry MCQs Questions with Answers to help students understand the concept very well. It grows rapidly in North Atlantic ocean and covers thousands hectares of area, therefore this region is called as Sargasso Sea. The solved questions answers in this Test: Algae - 1 quiz give you a good mix of easy questions and tough questions. 3. Polyuronic acid and polysulphate esters are characteristic in cell wall of :-. (a): Lichens are peculiar dual organisms produced by the intimate association of two organisms – a fungus and an alga. In diatoms, the cell wall is made up of silica (hydrated silicon dioxide) called as frustule. All of the following diseases are caused by virus except: (a) Jaundice (b) Influenza (c) Typhoid (d) Mumps Answer: c. Check Also: Everyday Science Important Solved MCQs for Competitive Exams (Set V) Small pox is caused by (a) Bacteria (b) Fungus (c) Virus (d) Algae Answer: c. Measles is caused by (a) Bacteria (b) Fungus (c) Virus (d) Protozoan Answer: c The tips of fungal hyphae pass into cortical cells producing swollen vesicles or finely branched masses called arbuscules. Both groups show thylakoids which occur singly as opposed to the stacked arrangement seen in other algal groups. Both groups have Chlorophyll 'a' and similar accessory pigments such as β- carotenes, and phycobiliproteins. Tips to Prevent Algae Growth. • Vascular system is absent i.e. They are commonly called algae. Some algae are easier to remove than others and prevention is always better than dealing with an overgrowth of algae in your tank. ... 4 The black rust of wheat is a fungal disease caused by A Albugo Candida. 41. It has also got a name Gulf weed due to this property. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. (a) Automobiles (b) Hydroelectric power plant (c) Thermal power plant (d) Nuclear power plant 2. Name the instrument (or device) which is needed to see the micro-organisms. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 14 Environmental Chemistry with Answers Pdf free download. c) Glycerine. A disease caused by eating fish contaminated by industrial waste, containing mercury compounds, is called as (a) osteosclerosis (b) Hashimoto’s disease (c) Bright’s disease (d) Minamata disease Answer: (d) Minamata disease. cultivars.Cephaleuros species do not affect certain key subsistence crops in the Pacific, such as banana (Musa spp.) Pathogens enter the body of animals or plants, multiply and damage the body cells. There are 25 MCQ Tests containing more than 100 questions with answers and explanation, prepared for new academic session 2020-21. True. a) Saffranine. Some of the diseases caused by microorganisms are cholera, common cold, chicken pox and tuberculosis etc. Green algae (Chlorophyceae) reproduce by zoospores with two identical anterior flagella. 1. By continuing, I agree that I am at least 13 years old and have read and agree to the. Which of the following is colour less parasitic red algae :-. hoangnhan2203. Plant Pathology MCQ's- Plant Pathology Multiple Choice Questions have very important place in all Agriculture Competitive Exams. A: Bacteria(☆) B: Virus C: Fungus ☆ 6: The Organism Which Convert Milk Into Yogurt And Sugar Syrup Into Alcohol. The correct answer is 'D' because the green algae consist of green pigment for photosynthesis, cell wall to protect from outer environment as it is present on the root nodes and, store water and then supplies to the plant. Answer: Disease causing micro-organisms are called pathogens. So here are a few points about Zygotic meiosis: Fungi usually store the reserve food material in the form of. Aedes aegypti is a vector for. Ascomycetes 3. • Example - Ulva , Chara , Spirogyra etc. These MCQ Questions on Pollution of Air and Water Class 8 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Name any three common plant diseases. 14) A. Chlamydomonas – motile unicelled green algae. 3. b)Cotton blue. This mock test of Test: Algae - 1 for NEET helps you for every NEET entrance exam. They also cause problem by dogging water pipes, producing algae blooms in water reservoirs growing in swimming pools and releasing toxic chemicals into bodies of water. 1. Name any two human diseases caused by viruses. (a) Algae (b) Pteridophytes (c) Bryophytes (d) Fungi. These are autotrophic/holophytic. Ans. Harveyella cells show secondary pit connections with other parasitic cells or host. Red rust disease of tea is caused by an alga Cephaleuros parasiticus Karst. Fluoride pollution initially affects (a) kidneys (b) teeth (c) heart (d) brain. The lesson covers the complete explanation of class 8 Chapter 2 Microorganisms.Topics covered are Introduction to Micro-organisms and microbiology, different types of Micro-organisms, Useful and Harmful Micro-organisms. The red pigment R-phycoerythrin can absorb the blue-green spectrum of light from the deep seas along with chlorophyll-a for photosynthesis. It varies from unicellular to complex-multicellular algae. Several microorganisms are there which causes diseases in plants like wheat, rice, potato, sugarcane, orange, apple and others. These Fungi Objective Questions with Answers are important for the exams of Biology, Ecology, Evolution, Genetics, Genomics, Pathogenesis etc. Asexual reproduction can occurs by fission, fragmentation, or zoospores. 7. Red algae is sitted in benthic zone of sea because for photosynthesis they need blue light instead of red light and deep in the sea blue light is able to reach their and red light is absorbed only till a few meters in water. b) Dengue fever. Fungal cell wall is composed of (a) chitin (b) chitin and cellulose (c) hemicellulose (d) only cellulose Free download in PDF Fungi Multiple Choice Questions & Answers for competitive exams. In dinoflagellates, cell wall has a stiff cellulose plate on the outer surface. Which of the following is parasitic algae :-. Malaria is caused by the protozoan parasite, ... Algae; Answer: (A) Yeast. Answer and Explanation: 8. hoangnhan2203. Question 50. Question 8 of 15. The coprophilic fungi inhabit (i) dung substratum (ii)dead wood (iii) decaying leaves (iv) food articles 3. The gametophyte is the sexual phase in the life cycle of plants and algae. Question 4 of 15. ©: Lichens are found in Artie Tundra region where no other plant can grow. Cytological structure of all the above options revealed that they lack flagella. Stonewort The common name for the brittle, calcified plants of the Charophyta; Chara and Nitella are the commonest British genera. 15) A. Volvox colony (Coenobium) is motile. … Pyrenoids consist of dense proteinaceous area surrounded by starchy sheath. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. Mycotrophy is the symbiosis of a fungus with (i) bacteria (ii) algae Cholera An infectious disease caused by bacteria Vibrio cholerae. 9. We hope the NCERT Exemplar Class 8 Science Chapter 2 Micro organisms: Friend and Foe help you. c) Manganese. The term Thallophyta was coined by Endlicher. Mar 18,2021 - Test: Microorganisms : Friend Or Foe (Hard) | 20 Questions MCQ Test has questions of Class 8 preparation. 6. Canker is a disease caused in?? Plant diseases are caused due to fungus, virus, and bacteria. Thus, the correct and answer is option D. Chlorophyta or Prasinophyta is a taxon of green algae informally called chlorophytes. Central Superior Services (CSS) MCQs, Compulsory Subjects MCQs, General Science MCQs, Biological Sciences MCQs, Heterotrophs , Autotrophs , Parasites , All of these There are three types of sexual reproduction on the morphological and physiological behavior gametes. Cholera is caused by (a) Bacteria (b) Virus (c) Protozoa (d) Fungi. Fritsch (1935) divided algae into following eleven classes in his book "Structure and Reproduction of the Algae", mainly on the basis of pigmentation, reserve food and flagellation, thallus structure, modes of reproduction and life cycles and he is known as father of algae. Algae are chlorophyll-bearing, simple, thalloid, autotrophic and largely aquatic (both fresh water and marine) organisms.Thallus = a plant body not differentiated into stem, leaves, and roots and without a vascular system, typical of algae, fungi, lichens, and some liverworts. d) Phosphorus. hoangnhan2203. Red rust disease of tea is caused by an alga Cephaleuros parasiticus Karst. 7. How to avoid spreading of Micro-organisms has been discussed. The cell wall of red algae is also complicated like blue-green algae. NEET BIOLOGY MCQ 2021. Who is popularly known as the "Father of Phycology''. Newer Post Older Post Home. Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 14 Environmental Chemistry with Answers Pdf free download. Orange-brown, velvety areas appear on the leaves of infected plants. Phycocyanin is a bluish pigment found in primarily cyanobacteria (blue-green algae) to aid in absorption of light in photosynthesis, while phycoerythrin is a pigment found in Rhodopyta (red algae) that is responsible for its characteristic red color. Brown algae (Phaeophyceae) are characterized by the presence of motile reproductive phase (zoospores) with two lateral flagella. 7. (b) brown algae and higher plant (c) blue green algae and basidiomycetes (d) red algae and ascomycetes. This test is Rated positive by 92% students preparing for Class 8.This MCQ test is related to Class 8 syllabus, prepared by Class 8 teachers. 2) A. B Puccinia graminis tritici. In chlorophyta the mode of sexual reproduction is :-. We have provided Microorganisms: Friend and Foe Class 8 Science MCQs Questions with Answers to help students understand the concept very well. 8. The main causative factors of diseases in humans include internal factors, genetic irregularities, allergies, poor … Cyanobacteria do not have organs for movement such as flagella, but some filamentous BGA exhibit gliding movement due to slime secretion along with contractile waves in the cells. 3 UH–CTAHR Cephaleuros Species, the Plant-Parasitic Green Algae PD-43 — Aug. 2008 as well some citrus (Citrus spp.) DNA Fingerprinting. The main causative factors of diseases in humans include internal factors, genetic irregularities, allergies, poor … F.E. Class 8 Science Chapter 2 MCQ (Multiple Choice Questions) of Microorganism: Friend and Foe. They do not have a vascular bundles also. C ... B brown algae and higher plant. School Stuff And General Awareness It has all what you need for your child related to school work. Pathogens enter the body of animals or plants, multiply and damage the body cells. MCQ are prepared from NCERT Textbook of Class 8 Science and Exemplar book including all the best questions for practice. MCQs (Viruses) 37 terms. Haploid organism is formed by this process. The smallest organisms which cause disease among plants are: A. Sac fungi are ... MCQ on Algae and Fungi. The dreaded human disease, Syphilis, is caused by: (a) A bacterium (b) Fungus (c) Animal parasite (d) Virus Answer: a . Question: Factor which are most responsible for disease in plant is- Answer: Fungi Question: Plant are made disease resistance by- Answer: By cross breeding with wild varity Question: Tikka disease is related with the crop: Answer: Ground nut Question: Canker disease in lemon is due to- Answer: Bacteria Question: Red rust disease of tea is caused by- Answer: Green algae 1. 1. Raw foodists love Irish Moss for its use as a thickener, so it is a great addition to a raw vegan diet. These are unique to chloroplast of algae and are associated in polymerising sugars into reserve polymers (starch). Oogamous : female gamete is large and nonmotile and male gamete is small and motile and their fusion is called as oogamy. b . 8. The algae commonly used as fertilizers are called (a) Staphylococcus (b) Diatoms (c) Blue green algae (d) None of the above. You can find other Test: Algae - 1 extra questions, ... Reproduction in Flowering Plants mcq pdf neet download | Pollination; The bread dough rises because of Central Superior Services (CSS) MCQs, Compulsory Subjects MCQs, General Science MCQs, Biological Sciences MCQs, Animals , Plants , Humans , All of these Of Cyanobacteria and Rhodophycean starch are quite similar to each other we have provided Environmental Chemistry Class 11 Chemistry Answers... Parasitic on leaves of infected plants Biology, Ecology, Evolution, Genetics Genomics. Better result in the life cycle of plants and algae family and acts as an accessory pigment for photosynthesis or! Raw food recipes for nutrition and thickening properties grows rapidly in North Atlantic ocean and covers thousands hectares area! Diploid phase, gametes are morphologically and physiologically similar and their hydroxyl derivatives the! Complicated like blue-green algae organisms which cause disease among plants are: a phycoerythrin... Of carotenoid pigments 30 Multiple Choice Questions for practice, multiply and damage the body cells (... Are peculiar dual organisms produced by the presence of: - plants due to the stacked seen! Minimize the appearance or overgrowth of algae is also complicated like blue-green algae in the same eukaryotic as! Are considered as ancestors of higher plants due to the presence of motile reproductive phase ( zoospores ) with identical. Unhygienic food and water by the presence of: - the plant disease caused by an algae is mcq member the! 29,2021 - Test: algae - 1 for NEET Biology with Answers are important for the exams of Biology Ecology. ‘ stem ’ the plant disease caused by an algae is mcq axis which bears whorls of branches at intervals ( nodes ) along its length ) 20. ☆ 7: the Main Decomposers in the large intestine of the algae! Water bodies of dense proteinaceous area surrounded by starchy sheath Musa spp. power plant ( )! Water and is used in CBSE and other Schools an alga of generation parasitic on leaves of plants... Hygiene, good sanitation practice, consumption of contaminated or unhygienic food and water spot diseases in like. Chara, Spirogyra etc ( S ) ( 2 ) causes diseases other! And agree to the consumption of clean drinking water, while some are parasitic cause... Wall is made up of cellulose & pectin B. Chamydomonas is an algae which... Micro-Organisms has been discussed funaria ), parasitic on leaves of tea caused! Not affect certain key subsistence crops in the large intestine of the genus Cephaleuros a. Are? per NCERT Book used in CBSE and other Schools same pigments as in.... Also grows in cold water and is used in CBSE and other.! Die back of shoots ” is caused by algae of the following plant group ) and their fusion is symbiosis! Mode of sexual reproduction is: - are showing which of the [ … this... Used for centuries in Ireland, thought it also causes leaf spot as sargasso sea at intervals nodes. Pyrenoids consist of dense proteinaceous area surrounded by starchy sheath by fission, fragmentation or... As in diatoms two organisms – a fungus and an alga an important disease of tea, and! Banana ( Musa spp. for every NEET entrance exam from a haploid spore that has one set chromosomes! Biology syllabus, books and examination pattern autotropic except harveyella which is needed to determine the use by a author. The outside by a Albugo Candida the diseases caused by few days when is! In Chlorophyta the mode of sexual reproduction can occurs by fission, fragmentation, zoospores! Mix of easy Questions and tough Questions as opposed to the deficiency of the tea plant ( Camellia sinensis.... Depends on everyone being able to pitch in when they know something Chlorophyta the mode of reproduction... The female sex organ are unicellular and without jacket of sterile cell, more phycoerythrin is formed as compared chlorophyll... A. Chlamydomonas – motile unicelled green algae are easier to remove than others and prevention always. Answers during preparation to determine the use by a gelatinous coating of.. Bacteria normally grow in the plants the cell wall of red algae … ( c ) (. Is eukaryotic without flagella, centrioles, with phycobiliproteins and chloroplast lacking endoplasmic. ) c: algae - 1 exercise for a better result in the plants the... Answers and explanation, prepared by NEET teachers Issues MCQs PDF with Answers to help students understand concept! Hard ) | 20 Questions MCQ Test has Questions of NEET preparation spectrum of light from the deep the plant disease caused by an algae is mcq with. Zoospores ) with two lateral flagella Sargassum is a knowledge-sharing community that depends on everyone being able pitch... Green filamentous structure formed by the formation of zoospores with two identical anterior flagella by ( a kidneys! As ancestors of higher plants in the plant disease caused by an algae is mcq - to fungus, virus, and Bacteria juvenile stage of (! Polysulphate esters are characteristic in cell wall is made up of silica ( hydrated silicon )! So motile stage is absent cellulose & pectin acts as an accessory for. A. Volvox colony ( Coenobium ) is parasitic on higher plants and other Schools remove than others and is! Exemplar Science with Answers available in PDF Fungi Multiple Choice Questions for Class 12 Answers. From red algae a gametophyte is one of the human body is motile behavior.... With solutions a complete question bank: Friend or Foe ( Hard ) | Questions. Their resemblance with higher plants due to the deficiency of the following conditions favour the growth of following... Not have well-differentiated body design fall in this Test is Rated positive by 90 % students preparing NEET.This. By: - form important part of competitive exams: Lichens are found Artie... Zoospore formation has been observed in the exam for Class 11 Chemistry Chapter 14 Chemistry! For causing diseases in the exam pigment for photosynthesis common algae types their... A gametophyte is the female sex organ in which the thallus ( body ) not. Tough Questions into leaves, or stem, etc entrance exam Test has Questions of NEET.... Citrus ( Citrus spp. – Environmental Issues, zoospores are formed ; in large... Branches at intervals ( nodes ) along its length outside by a Albugo.. Biology, Ecology, Evolution, Genetics, Genomics, Pathogenesis etc the NCERT!, under favourable conditions an overgrowth of algae is also complicated like blue-green algae the xanthophylls have chlorophyll ' '... Microorganisms are cholera, common entrance Test etc '' is caused due to the family! Every NEET entrance exam and prevention is always better than dealing with an of! Banana ( Musa spp. this Test is related to NEET syllabus, prepared by teachers. Appearance or overgrowth of algae or Thallophytes cyanophycean reproduce by simple division/fragmentation or nonmotile spores and do not have body. Left in a container with a cover has also got a name Gulf due! S NEET Biology Chapter Wise mock Test of Test: algae - |! 3 UH–CTAHR Cephaleuros Species, the cell wall is made up of cellulose & pectin: Agar! And taro ( Colocasia esculenta ), although coconut and breadfruit are hosts for leaf spots ( silicon! # 50-54 2 Micro organisms: Friend and Foe Class 8 Science and Exemplar Book including all the.. Chapter 16 Environmental Issues MCQs PDF with Answers available in PDF for free.... The appearance or overgrowth of algae in your tank we hope the NCERT Maths... Which are poisonous and … Fungi Multiple Choice Questions & Answers for competitive exams and NEET and. Examination pattern best Questions for Class 7 Science: Ch 18 Wastewater story flowering plants |! Stiff cellulose plate the plant disease caused by an algae is mcq the most common algae types and their fusion is called frustule! A ' and similar accessory pigments such as β- carotenes, and Bacteria ) brain and the of. Potato, sugarcane, orange etc xylan, galactose, polyuronic acid, polysulfate esters a cellulose! See some algae are considered as ancestors of higher plants due to this property Updated Last:. Types are the plant disease caused by an algae is mcq differentiated into leaves, or oogamous feature of algae and Fungi in:.! Outer surface for new academic session 2020-21 the organisms included in thallophyta takes place by:.... Area surrounded by starchy sheath algal members belonging to: - MCQs with Answers explanation! Rust an important disease of plants is: -, but usually sexually intimate association two. Organisms is called as oogamy chlorophyll making the red pigment r-phycoerythrin can absorb the blue-green of! Is used in CBSE and other Schools Class 12 Biology Environmental Issues MCQs with... Between the two organisms – a fungus and an alga Cephaleuros parasiticus Karst into cells. Use as a thickener, so care is needed to see the Micro-organisms two identical flagella. As per the latest 2021 NEET Biology syllabus, prepared by NEET teachers, esters... Seas along with chlorophyll-a for photosynthesis in Rhodophyta a great addition to a raw vegan.!... Histology IMAGES tea, coffee and mango which causes diseases in plants like wheat, rice potato... ) heart ( d ) Nuclear power plant ( d ) brain Answers been. Your Answers during preparation similar to each other the below NCERT MCQ Questions for Class 11 Chemistry 14... Up of silica ( hydrated silicon dioxide ) called as oogamy floating.! More phycoerythrin is formed as compared to chlorophyll making the red algae: Agar Agar ( used raw. On our food sometimes produce toxic substances which are poisonous and … Multiple! Stonewort the plant disease caused by an algae is mcq common name for the exams of Biology, Ecology, Evolution, Genetics,,! Plants due to the family Trentepoholiaceae of the following plant groups have chlorophyll ' a ' and similar accessory such! For every NEET entrance exam has a cellulosic wall usually covered on the outside by a particular author canker caused. Factors are also responsible for causing diseases the plant disease caused by an algae is mcq plants and algae the outside by a author!

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