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Following are some characteristics of th...

Following are some characteristics of the three divisions of Kingdom Plantae : Bryophyta, Pteridophyta and Thallophyta.
1. Sex organs are unicellular
2. Non-vascular
3. Lack true leaves and roots
4. Embryo formed after fertilisation
5. Photoautotrophs
6. Examples are Polytrichum, Funaria
7. Sporophyte is parasitic over gametophyte
8. Examples are Hydrodictyon, Laminaria

A

Bryophyta - 2,3,4,6,7 , Pteridophyta - 3,4,5,6 , Thallophyta - 1,2,3,6,7

B

Bryophyta - 2,3,4,5,6 , Pteridophyta - 3,4,6 , Thallophyta - 1,2,3,6,7,8

C

Bryophyta - 2,3,4,5,6,7 , Pteridophyta - 4,5 , Thallophyta - 1,2,3,5,7,8

D

Bryophyta - 2,3,4,5,6,8 , Pteridophyta - 3,4,6 , Thallophyta - 1,2,3,6,7

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the characteristics of the three divisions of Kingdom Plantae: Bryophyta, Pteridophyta, and Thallophyta, we need to analyze each characteristic and match them with the correct division. ### Step-by-Step Solution: 1. **Identify Characteristics of Thallophyta**: - **Sex organs are unicellular**: True for Thallophyta. - **Non-vascular**: True for Thallophyta. - **Lack true leaves and roots**: True for Thallophyta. - **Embryo formed after fertilization**: False for Thallophyta; they do not form a distinct embryo. - **Photoautotrophs**: True for Thallophyta; they perform photosynthesis. - **Examples are Polytrichum, Funaria**: False; these are examples of Bryophyta. - **Sporophyte is parasitic over gametophyte**: True for Thallophyta. - **Examples are Hydrodictyon, Laminaria**: True for Thallophyta. **Conclusion for Thallophyta**: Characteristics 1, 2, 3, 5, 7, and 8 are true. 2. **Identify Characteristics of Bryophyta**: - **Sex organs are unicellular**: False; Bryophyta has multicellular sex organs. - **Non-vascular**: True for Bryophyta. - **Lack true leaves and roots**: True for Bryophyta. - **Embryo formed after fertilization**: True for Bryophyta. - **Photoautotrophs**: True for Bryophyta. - **Examples are Polytrichum, Funaria**: True; these are examples of Bryophyta. - **Sporophyte is parasitic over gametophyte**: True for Bryophyta. - **Examples are Hydrodictyon, Laminaria**: False; these are examples of Thallophyta. **Conclusion for Bryophyta**: Characteristics 2, 3, 4, 5, 6, and 7 are true. 3. **Identify Characteristics of Pteridophyta**: - **Sex organs are unicellular**: False; Pteridophyta has multicellular sex organs. - **Non-vascular**: False; Pteridophyta is vascular. - **Lack true leaves and roots**: False; Pteridophyta has true leaves and roots. - **Embryo formed after fertilization**: True for Pteridophyta. - **Photoautotrophs**: True for Pteridophyta. - **Examples are Polytrichum, Funaria**: False; these are examples of Bryophyta. - **Sporophyte is parasitic over gametophyte**: False; sporophyte is independent. - **Examples are Hydrodictyon, Laminaria**: False; these are examples of Thallophyta. **Conclusion for Pteridophyta**: Only characteristic 4 and 5 are true. ### Final Summary: - **Thallophyta**: Characteristics 1, 2, 3, 5, 7, and 8 are true. - **Bryophyta**: Characteristics 2, 3, 4, 5, 6, and 7 are true. - **Pteridophyta**: Characteristics 4 and 5 are true. ### Answer: The characteristics that fit each division are: - Thallophyta: 1, 2, 3, 5, 7, 8 - Bryophyta: 2, 3, 4, 5, 6, 7 - Pteridophyta: 4, 5
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