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In pteridophytes, the spores germinate a...

In pteridophytes, the spores germinate and grow into a heart shaped thalloid structure called_________which is a__________

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To answer the question: "In pteridophytes, the spores germinate and grow into a heart-shaped thalloid structure called_________which is a__________," we will follow these steps: ### Step-by-Step Solution: 1. **Identify the Structure**: In pteridophytes, when spores germinate, they develop into a specific structure. This structure is known as the **prothallus**. 2. **Describe the Prothallus**: The prothallus is characterized as a heart-shaped thalloid structure. It is flat and green, indicating that it contains chlorophyll, which allows it to perform photosynthesis. ...
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ICSE-PLANT KINGDOM -REVIEW QUESTIONS (FILL IN THE BLANKS)
  1. The fusion between similar gametes is called

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  2. During favourable conditions, Spirogyra reproduces asexually by

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  3. In red algae, food is stored as a carbohydrate called

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  4. Phycoerythrin givescolour of the algae.

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  5. In bryophytes the alternation of generationis the dominant phase.

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  6. In Funaria, the haploid spores germinate to produce the

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  7. In the bryophytes, the gametophyte stage consists of first stage which...

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  8. Antheridia areshaped male organs while archegonia areshaped female org...

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  9. In pteridophytes, the spores germinate and grow into a heart shaped th...

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  10. In pine tree the main axis is of growth calledgrowth.

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  11. In the female of the pine trees,occurs in the 1^(st) year cone whileoc...

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  12. The ovules develop into theand the ovary develops into the

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  13. Inthe seeds are naked while inthe seeds are enclosed in an ovary.

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  14. In monocots the vascular bundles arewhile in dicots the vascular bundl...

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  15. Chlorophycae includesalgae while phaeophyceae includesalgae.

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  16. present in the cell wall of brown algae prevents dying or freezing.

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  17. Fern is an examples ofand Pinus is an example of

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  18. On reaching the ovary, the pollen tube releases 2 male gametes. One fu...

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  19. The dominant phase in ferns is thegeneration. Whilegeneration is short...

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  20. Mosses and ferns are laid to be amphibians among plants because both a...

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