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Write down two unique characters of Pori...

Write down two unique characters of Porifera.

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The correct Answer is:
(i)Poriferans have cellular level of body organization
(ii) Body is perforated by numerous pores called ostia.
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PRADEEP-DIVERSITY IN LIVING ORGANISMS -SHORT ANSWER QUESTIONS
  1. Blue green algae are callsified along with bacteria placed in Kingdom-...

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  2. Name the three germ layers. Which group of animals are diploblastic a...

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  3. Write down two unique characters of Porifera.

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  4. Gviven below few animals. Name the phylum ot which they belong : Sil...

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  5. Name any two roudn worsm found as parasites in human body.

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  6. Write two characteristics of phylum Annelida.

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  7. Name atleast two insects which carry pathogens of diseases.

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  8. Name any four echinoderms.

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  9. Write two important fetures of sub-phylum Protochordata.

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  10. How would you define 'alpha diversity' and 'beta diversity' ?

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  11. Give two important characteristics each of cyanbacteria and Archaebact...

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  12. Name the sex organs of gymnosperms and angiosperms

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  13. Give two important characteristics of thallophyta.

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  14. What is peculiar about sex organs in bryophytes ?

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  15. What is artficial classification ? How is it different from phylognet...

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  16. Given four characteristics on which 5- kingdom classification is based

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  17. Give two basic differences between bryophytes and pteridophytes .

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  18. Write down differences between dicots and monocots.

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  19. Name the extertory organs present in the repreentatives of (a) plathye...

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  20. Define the tern (a) Protostomia (b) Deuterostomia

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