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प्रश्न
Draw labelled diagrams of
- Female and male thallus of a liverwort.
- Gametophyte and sporophyte of Funaria.
- Alternation of generation in Angiosperm.
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उत्तर
a. Female and male thallus of a liverwort.
b. Gametophyte and sporophyte of Funaria.
c. Alternation of generation in Angiosperm.
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संबंधित प्रश्न
Mention the ploidy of the following:
Zygote of a fern
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
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 ______.
The plant body in higher plants is well differentiated and well developed. Roots are the organs used for the purpose of absorption. What is the equivalent of roots in the less developed lower plants?
In Bryophytes male and female sex organs are called ______ and ______.
Why are bryophytes called the amphibians of the plant kingdom?
The correct sequence of events in the life cycle of bryophytes is:
- Fusion of antherozoid with egg.
- Attachment of gametophyte to substratum.
- Reduction division to produce haploid spores.
- Formation of sporophyte.
- Release of antherozoids into water.
Choose the correct answer from the option given below:
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.
Match List - I with List - II.
| List - I | List - II |
| A. Pteridophyte | I. Salvia |
| B. Bryophyte | II. Ginkgo |
| C. Angiosperm | III. Polytrichum |
| D. Gymnosperm | IV. Salvinia |
Choose the option with all correct matches.
In bryophytes, the gemmae help in which one of the following?
Identify the pair of heterosporous pteridophytes among the following:
