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Which of the following statements about Euglena is correct?
- a)Euglena is a flagellate organism.
- b)Euglena when placed in continuous darkness, loses its photosynthetic activity and dies.
- c)The pigments of Euglena are quite different from those of green plants.
- d)Euglena is a marine protist.
Correct answer is option 'A'. Can you explain this answer?
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Which of the following statements about Euglena is correct?a)Euglena i...
Euglenoids are unicellular flagellate protists commonly found in fresh water ponds, pools and moist mud. They lack cellulose cell wall. The body is covered bv thin and flexible pellicle (= periplast). The pellicle has oblique but parallel stripes called myonemes. The euglenolds have two flagella, usually one long and one short. Though the euglenoids are photosynthetic in the presence of light, when deprived of sunlight they behave like heterotrophs by predating on smaller organisms (holozoic) or feeding on organic remains (saprobic). Such a mode of nutrition is called mixotrophic (i.e., a mix of holophytic + saprobic or holozoic). Photosynthetic pigments of euglenoids are identical to those present in higher plants, e.g. chl a and chl b.
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Which of the following statements about Euglena is correct?a)Euglena i...
Euglena is a flagellate organism.
Explanation:
Euglena is a unicellular protist that belongs to the phylum Euglenozoa. It is a flagellate organism which means it has one or two flagella that it uses for movement. Euglena is known for its ability to perform photosynthesis as well as heterotrophic nutrition, which means it can make its own food or consume other organisms for nutrition.
Option (b) is incorrect because Euglena does not necessarily die when placed in continuous darkness. While its photosynthetic activity may decrease, it can still survive by obtaining nutrients through heterotrophic nutrition.
Option (c) is correct because the pigments of Euglena are quite different from those of green plants. Euglena contains chlorophyll a and b as well as the accessory pigments, carotenoids and xanthophylls. This combination of pigments gives Euglena a greenish color, but the specific pigments and their arrangement are different from those found in green plants.
Option (d) is incorrect because Euglena can exist in both freshwater and marine environments. It is often found in stagnant freshwater ponds and streams, but it can also survive in marine environments with low salinity levels.
Explanation:
Euglena is a unicellular protist that belongs to the phylum Euglenozoa. It is a flagellate organism which means it has one or two flagella that it uses for movement. Euglena is known for its ability to perform photosynthesis as well as heterotrophic nutrition, which means it can make its own food or consume other organisms for nutrition.
Option (b) is incorrect because Euglena does not necessarily die when placed in continuous darkness. While its photosynthetic activity may decrease, it can still survive by obtaining nutrients through heterotrophic nutrition.
Option (c) is correct because the pigments of Euglena are quite different from those of green plants. Euglena contains chlorophyll a and b as well as the accessory pigments, carotenoids and xanthophylls. This combination of pigments gives Euglena a greenish color, but the specific pigments and their arrangement are different from those found in green plants.
Option (d) is incorrect because Euglena can exist in both freshwater and marine environments. It is often found in stagnant freshwater ponds and streams, but it can also survive in marine environments with low salinity levels.
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Which of the following statements about Euglena is correct?a)Euglena is a flagellate organism.b)Euglena when placed in continuous darkness, loses its photosynthetic activity and dies.c)The pigments of Euglena are quite different from those of green plants.d)Euglena is a marine protist.Correct answer is option 'A'. Can you explain this answer?
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Which of the following statements about Euglena is correct?a)Euglena is a flagellate organism.b)Euglena when placed in continuous darkness, loses its photosynthetic activity and dies.c)The pigments of Euglena are quite different from those of green plants.d)Euglena is a marine protist.Correct answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements about Euglena is correct?a)Euglena is a flagellate organism.b)Euglena when placed in continuous darkness, loses its photosynthetic activity and dies.c)The pigments of Euglena are quite different from those of green plants.d)Euglena is a marine protist.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements about Euglena is correct?a)Euglena is a flagellate organism.b)Euglena when placed in continuous darkness, loses its photosynthetic activity and dies.c)The pigments of Euglena are quite different from those of green plants.d)Euglena is a marine protist.Correct answer is option 'A'. Can you explain this answer?.
Which of the following statements about Euglena is correct?a)Euglena is a flagellate organism.b)Euglena when placed in continuous darkness, loses its photosynthetic activity and dies.c)The pigments of Euglena are quite different from those of green plants.d)Euglena is a marine protist.Correct answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements about Euglena is correct?a)Euglena is a flagellate organism.b)Euglena when placed in continuous darkness, loses its photosynthetic activity and dies.c)The pigments of Euglena are quite different from those of green plants.d)Euglena is a marine protist.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements about Euglena is correct?a)Euglena is a flagellate organism.b)Euglena when placed in continuous darkness, loses its photosynthetic activity and dies.c)The pigments of Euglena are quite different from those of green plants.d)Euglena is a marine protist.Correct answer is option 'A'. Can you explain this answer?.
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