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प्रश्न
Corals are
पर्याय
Poriferans attached to some solid support
Cnidarians, that are solitary living
Poriferans present at the sea bed
Cnidarians that live in colonies
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उत्तर
Cnidarians that live in colonies
Explanation -
Corals are cnidarians (coelenterates) that live in colonies. Examples of some corals are Corallium (red coral), Meandrina (brain coral), Astraea (star coral), etc.
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संबंधित प्रश्न
Define and understand the following term:
Phylum
Observe the figure and answer the questions given below.
a) To which phylum these organisms belong?
b) Name the substance with which their body is covered.
c) Name their organs of locomotion.
Which among the following have scales?
- Amphibians
- Pisces
- Reptiles
- Mammals
Write true (T) or false (F)
Starting from Class, Species comes before the Genus.
Fill in the boxes given in Fig. 7.2 with appropriate characteristics/plant group (s)
Write names of few thallophytes. Draw a labelled diagram of Spirogyra.
Animals belonging to phylum protozoa reproduce by fission.
Order is a number of related families having common characters placed in an order.
Match the following and choose the correct option:
| Column I | Column II |
| A. Family | i. Tuberosum |
| B. Kingdom | ii. Polymoniales |
| C. Order | iii. Solanum |
| D. Species | iv. Plantae |
| E. Genus | v. Solanacea |
Which one of the following statements refers to Reductionist Biology?
