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Read the given statements and select the...

Read the given statements and select the correct option,
Statement-1: Bryophytes show alternation of generation
Statement-2: A haploid gametophytic generation and a diploid sporophytic generation alternate in the life cycle.

A

Both statements 1 and 2 are correct

B

Statement 1 is correct but statement 2 is incorrect

C

Statement 1 is incorrect but statement 2 is correct.

D

Both statement 1 and 2 are incorrect.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the statements about bryophytes, we will analyze each statement step by step. ### Step-by-Step Solution: 1. **Understanding Bryophytes**: - Bryophytes are non-vascular plants that include mosses, liverworts, and hornworts. They are known for their unique reproductive cycle and life stages. 2. **Statement 1 Analysis**: - **Statement-1**: "Bryophytes show alternation of generation." - This statement is true. Bryophytes exhibit a life cycle that alternates between two generations: the gametophyte (haploid) and the sporophyte (diploid). 3. **Statement 2 Analysis**: - **Statement-2**: "A haploid gametophytic generation and a diploid sporophytic generation alternate in the life cycle." - This statement is also true. In bryophytes, the dominant phase is the gametophyte (haploid), which produces gametes. The sporophyte (diploid) generation develops from the fertilization of gametes and is dependent on the gametophyte for nutrition. 4. **Conclusion**: - Both statements are correct. Bryophytes indeed show alternation of generations, and the life cycle involves both haploid and diploid stages. ### Final Answer: Both Statement 1 and Statement 2 are correct. ---
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NCERT FINGERTIPS ENGLISH-PLANT KINGDOM-Plant Kingdom
  1. Haplo-diplontic life cycle is found in

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  2. In, a dominant and independent haploid gametophyte alternates with a s...

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  3. Read the given statements and select the correct option, Statement-1...

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  4. In, a dominant and independent diploid sporophyte alternates with a sh...

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  5. Refer to the given flow chart regarding different groups of kingdom pl...

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  6. Refer to the following figures regarding division bryophyta. (i). 'A...

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  7. A phylogenetic tree or evolutionary tree is a branching diagram shown ...

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  8. Select the incorrect statements with respect to given type of life cyc...

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  9. Identify the given structures and select the correction options,

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  10. Cyanobacteria are classified under

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  11. Fusion of two motile gametes which are dissimilar in size is termed as

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  12. Holdfast, stipeand frond constitute the plant body in case of

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  13. A plant shows thallus level of organisation.it shows rhizoids and is h...

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  14. A prothallus is

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  15. Plants of this group are diploid and well adapted to extreme condition...

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  16. The embryo sac of an Angiosperm is made up of

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  17. if the diploid number of flowering plant is 36, what would be the chro...

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  18. Protonema is

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  19. The giant redwood tree (Sequoia sempervirens) is a/an

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  20. Assertion: Algae shown only anisogamous type of reproduction. Reason...

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