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Consider the following statements regarding brown algae:
I. The pigments are chlorophyll a, c, and xanthophylls, including fucoxanthin.
II. Storage food is laminarin and mannitol.
III. The cellulosic cell wall is covered with algin.
IV. They do not have a centrally located vacuole.
V. Their photosynthetic organs are called fronds, which are leaf-like structures.
VI. They have pear-shaped biflagellate zoospores.
VII. They have two unequal laterally attached flagella.
II. Storage food is laminarin and mannitol.
III. The cellulosic cell wall is covered with algin.
IV. They do not have a centrally located vacuole.
V. Their photosynthetic organs are called fronds, which are leaf-like structures.
VI. They have pear-shaped biflagellate zoospores.
VII. They have two unequal laterally attached flagella.
The number of correct statements is:
- a)5
- b)6
- c)4
- d)7
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements regarding brown algae:I. The pigment...
Overview of Brown Algae
Brown algae, predominantly found in marine environments, exhibit unique characteristics that differentiate them from other algal groups. Let’s analyze the statements provided to determine their correctness.
Correctness of Statements
- I. Pigments: True
Brown algae contain chlorophyll a, chlorophyll c, and xanthophylls, particularly fucoxanthin, which gives them their characteristic brown color.
- II. Storage Food: True
The primary storage products in brown algae are indeed laminarin and mannitol.
- III. Cell Wall Composition: True
Brown algae have a cellulosic cell wall that is often covered with algin, a polysaccharide used commercially.
- IV. Vacuoles: False
Brown algae typically possess a centrally located vacuole, which plays a crucial role in maintaining turgor pressure.
- V. Photosynthetic Organs: True
Their photosynthetic structures are called fronds, which resemble leaves.
- VI. Zoospores: True
Brown algae produce pear-shaped biflagellate zoospores, aiding in reproduction.
- VII. Flagella: True
They possess two unequal laterally attached flagella, a characteristic feature of this group.
Conclusion
Based on the analysis, the correct statements are I, II, III, V, VI, and VII, making a total of 6 correct statements. Therefore, the answer is option 'B' with 6 correct statements.
Brown algae, predominantly found in marine environments, exhibit unique characteristics that differentiate them from other algal groups. Let’s analyze the statements provided to determine their correctness.
Correctness of Statements
- I. Pigments: True
Brown algae contain chlorophyll a, chlorophyll c, and xanthophylls, particularly fucoxanthin, which gives them their characteristic brown color.
- II. Storage Food: True
The primary storage products in brown algae are indeed laminarin and mannitol.
- III. Cell Wall Composition: True
Brown algae have a cellulosic cell wall that is often covered with algin, a polysaccharide used commercially.
- IV. Vacuoles: False
Brown algae typically possess a centrally located vacuole, which plays a crucial role in maintaining turgor pressure.
- V. Photosynthetic Organs: True
Their photosynthetic structures are called fronds, which resemble leaves.
- VI. Zoospores: True
Brown algae produce pear-shaped biflagellate zoospores, aiding in reproduction.
- VII. Flagella: True
They possess two unequal laterally attached flagella, a characteristic feature of this group.
Conclusion
Based on the analysis, the correct statements are I, II, III, V, VI, and VII, making a total of 6 correct statements. Therefore, the answer is option 'B' with 6 correct statements.
Community Answer
Consider the following statements regarding brown algae:I. The pigment...
Correct answer: B. 6
Explanation:
The correct statements are:
I. True. Brown algae contain chlorophyll a, c, and fucoxanthin, which give them their characteristic color.
II. True. Laminarin and mannitol are the storage products in brown algae.
III. True. The cell wall of brown algae is composed of cellulose and is covered with algin, a gelatinous substance.
IV. False. Brown algae do not typically have a centrally located vacuole; this is more characteristic of plant cells.
V. True. The photosynthetic organs of brown algae are called fronds, which are leaf-like structures.
VI. True. Brown algae produce pear-shaped biflagellate zoospores.
VII. True. The zoospores have two unequal, laterally attached flagella.
II. True. Laminarin and mannitol are the storage products in brown algae.
III. True. The cell wall of brown algae is composed of cellulose and is covered with algin, a gelatinous substance.
IV. False. Brown algae do not typically have a centrally located vacuole; this is more characteristic of plant cells.
V. True. The photosynthetic organs of brown algae are called fronds, which are leaf-like structures.
VI. True. Brown algae produce pear-shaped biflagellate zoospores.
VII. True. The zoospores have two unequal, laterally attached flagella.
So, the number of correct statements is 6.
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Consider the following statements regarding brown algae:I. The pigments are chlorophyll a, c, and xanthophylls, including fucoxanthin.II. Storage food is laminarin and mannitol.III. The cellulosic cell wall is covered with algin.IV. They do not have a centrally located vacuole.V. Their photosynthetic organs are called fronds, which are leaf-like structures.VI. They have pear-shaped biflagellate zoospores.VII. They have two unequal laterally attached flagella.The number of correct statements is:a)5b)6c)4d)7Correct answer is option 'B'. Can you explain this answer?
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Consider the following statements regarding brown algae:I. The pigments are chlorophyll a, c, and xanthophylls, including fucoxanthin.II. Storage food is laminarin and mannitol.III. The cellulosic cell wall is covered with algin.IV. They do not have a centrally located vacuole.V. Their photosynthetic organs are called fronds, which are leaf-like structures.VI. They have pear-shaped biflagellate zoospores.VII. They have two unequal laterally attached flagella.The number of correct statements is:a)5b)6c)4d)7Correct answer is option 'B'. 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 Consider the following statements regarding brown algae:I. The pigments are chlorophyll a, c, and xanthophylls, including fucoxanthin.II. Storage food is laminarin and mannitol.III. The cellulosic cell wall is covered with algin.IV. They do not have a centrally located vacuole.V. Their photosynthetic organs are called fronds, which are leaf-like structures.VI. They have pear-shaped biflagellate zoospores.VII. They have two unequal laterally attached flagella.The number of correct statements is:a)5b)6c)4d)7Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements regarding brown algae:I. The pigments are chlorophyll a, c, and xanthophylls, including fucoxanthin.II. Storage food is laminarin and mannitol.III. The cellulosic cell wall is covered with algin.IV. They do not have a centrally located vacuole.V. Their photosynthetic organs are called fronds, which are leaf-like structures.VI. They have pear-shaped biflagellate zoospores.VII. They have two unequal laterally attached flagella.The number of correct statements is:a)5b)6c)4d)7Correct answer is option 'B'. Can you explain this answer?.
Consider the following statements regarding brown algae:I. The pigments are chlorophyll a, c, and xanthophylls, including fucoxanthin.II. Storage food is laminarin and mannitol.III. The cellulosic cell wall is covered with algin.IV. They do not have a centrally located vacuole.V. Their photosynthetic organs are called fronds, which are leaf-like structures.VI. They have pear-shaped biflagellate zoospores.VII. They have two unequal laterally attached flagella.The number of correct statements is:a)5b)6c)4d)7Correct answer is option 'B'. 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 Consider the following statements regarding brown algae:I. The pigments are chlorophyll a, c, and xanthophylls, including fucoxanthin.II. Storage food is laminarin and mannitol.III. The cellulosic cell wall is covered with algin.IV. They do not have a centrally located vacuole.V. Their photosynthetic organs are called fronds, which are leaf-like structures.VI. They have pear-shaped biflagellate zoospores.VII. They have two unequal laterally attached flagella.The number of correct statements is:a)5b)6c)4d)7Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements regarding brown algae:I. The pigments are chlorophyll a, c, and xanthophylls, including fucoxanthin.II. Storage food is laminarin and mannitol.III. The cellulosic cell wall is covered with algin.IV. They do not have a centrally located vacuole.V. Their photosynthetic organs are called fronds, which are leaf-like structures.VI. They have pear-shaped biflagellate zoospores.VII. They have two unequal laterally attached flagella.The number of correct statements is:a)5b)6c)4d)7Correct answer is option 'B'. Can you explain this answer?.
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