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प्रश्न
A plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to ______.
पर्याय
Pteridophytes
Gymnosperms
Monocots
Bryophytes
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उत्तर
A plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to bryophyte.
Explanation:
A plant shows the thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. It may belong to bryophytes.
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संबंधित प्रश्न
Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.
Explain briefly the following term with a suitable example:
protonema
Explain briefly the following term with a suitable example:
Antheridium
Explain briefly the following term with a suitable example:
Archegonium
Explain briefly the following term with a suitable example:
Diplontic
Explain briefly the following term with a suitable example:
Sporophyll
Differentiate between the following:
Liverworts and Moss
Which is NOT a character of bryophytes?
Amphibians of the plant kingdom are
Gemmae are present in ______
Bryophytes that prevent soil erosion by forming dense mats on the soil are ______.
Protonema is ______.
In Bryophytes male and female sex organs are called ______ and ______.
Why are bryophytes called the amphibians of the plant kingdom?
Match List - I with List - II.
| List - I | List - II |
| A. Chlorophyll a | I. Yellow-green |
| B. Chlorophyll b | II. Yellow |
| C. Xanthophylls | III. Blue-green |
| D. Carotenoids | IV. Yellow to Yellow-orange |
Choose the option with all correct matches.
Identify the pair of heterosporous pteridophytes among the following:
Assertion A: The first stage of gametophyte in the life cycle of moss is protonema stage.
Reason R: Protonema develops directly from spores produced in capsule.
In the light of the above statements, choose the most appropriate answer from the options given below:
