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Read the following statements (A-E) and answer the question which follows them. [NEET 2013]
1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious How many of the above statements are correct?
1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious How many of the above statements are correct?
- a)Two
- b)Three
- c)Four
- d)One
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Read the following statements (A-E) and answer the question which foll...
In liverworts and ferns gametophytes are free living while in fern sporophytes are free living. Gymnosperms and genera like Selaginella and Salvinia are heterosporous. The sporophyte in mosses are more elaborate than that of liverworts, Pinus is monoecious and heterosporous. Marchantia is dioecious.
Most Upvoted Answer
Read the following statements (A-E) and answer the question which foll...
The correct answer is option B, i.e., three statements are correct.
Explanation:
1. In liverworts, mosses and ferns gametophytes are free-living - This statement is true. Gametophytes are the haploid generation in plants, which produce gametes for sexual reproduction. In liverworts, mosses and ferns, these gametophytes are free-living and independent.
2. Gymnosperms and some ferns are heterosporous - This statement is true. Heterospory is a condition where the plants produce two types of spores, namely microspores and megaspores. Gymnosperms and some ferns are examples of heterosporous plants.
3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous - This statement is true. Oogamy is a type of sexual reproduction where the female gamete (egg) is large and non-motile, and the male gamete (sperm) is small and motile. Fucus, Volvox and Albugo are examples of oogamous organisms.
4. The sporophyte in liverworts is more elaborate than that in mosses - This statement is false. The sporophyte generation in liverworts is less elaborate than that in mosses. In liverworts, the sporophyte is a simple stalk-like structure that grows out of the gametophyte. In contrast, in mosses, the sporophyte is a more complex structure that consists of a foot, seta, and capsule.
5. Both Pinus and Marchantia are dioecious - This statement is false. Pinus is a gymnosperm, and it is monoecious, which means that it produces both male and female cones on the same plant. Marchantia is a liverwort, and it is dioecious, which means that male and female gametophytes are present on separate plants.
Therefore, three statements (1, 2, and 3) are correct, and two statements (4 and 5) are false.
Explanation:
1. In liverworts, mosses and ferns gametophytes are free-living - This statement is true. Gametophytes are the haploid generation in plants, which produce gametes for sexual reproduction. In liverworts, mosses and ferns, these gametophytes are free-living and independent.
2. Gymnosperms and some ferns are heterosporous - This statement is true. Heterospory is a condition where the plants produce two types of spores, namely microspores and megaspores. Gymnosperms and some ferns are examples of heterosporous plants.
3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous - This statement is true. Oogamy is a type of sexual reproduction where the female gamete (egg) is large and non-motile, and the male gamete (sperm) is small and motile. Fucus, Volvox and Albugo are examples of oogamous organisms.
4. The sporophyte in liverworts is more elaborate than that in mosses - This statement is false. The sporophyte generation in liverworts is less elaborate than that in mosses. In liverworts, the sporophyte is a simple stalk-like structure that grows out of the gametophyte. In contrast, in mosses, the sporophyte is a more complex structure that consists of a foot, seta, and capsule.
5. Both Pinus and Marchantia are dioecious - This statement is false. Pinus is a gymnosperm, and it is monoecious, which means that it produces both male and female cones on the same plant. Marchantia is a liverwort, and it is dioecious, which means that male and female gametophytes are present on separate plants.
Therefore, three statements (1, 2, and 3) are correct, and two statements (4 and 5) are false.
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Read the following statements (A-E) and answer the question which foll...
Statement 5 is incorrect pinus is monocious and marchantia is diocious.
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Read the following statements (A-E) and answer the question which follows them. [NEET 2013]1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious How many of the above statements are correct?a)Twob)Threec)Fourd)OneCorrect answer is option 'B'. Can you explain this answer?
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Read the following statements (A-E) and answer the question which follows them. [NEET 2013]1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious How many of the above statements are correct?a)Twob)Threec)Fourd)OneCorrect 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 Read the following statements (A-E) and answer the question which follows them. [NEET 2013]1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious How many of the above statements are correct?a)Twob)Threec)Fourd)OneCorrect 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 Read the following statements (A-E) and answer the question which follows them. [NEET 2013]1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious How many of the above statements are correct?a)Twob)Threec)Fourd)OneCorrect answer is option 'B'. Can you explain this answer?.
Read the following statements (A-E) and answer the question which follows them. [NEET 2013]1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious How many of the above statements are correct?a)Twob)Threec)Fourd)OneCorrect 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 Read the following statements (A-E) and answer the question which follows them. [NEET 2013]1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious How many of the above statements are correct?a)Twob)Threec)Fourd)OneCorrect 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 Read the following statements (A-E) and answer the question which follows them. [NEET 2013]1. In liverworts, mosses and ferns gametophytes are free-living 2. Gymnosperms and some ferns are heterosporous. 3. Sexual reproduction in Fucus, Volvox and Albugo is oogamous 4. The sporophyte in liveworts is more elaborate than that in mosses 5. Both, Pinus and Marchantia are dioecious How many of the above statements are correct?a)Twob)Threec)Fourd)OneCorrect answer is option 'B'. Can you explain this answer?.
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