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Nonchordates Acoelomates Free Doubts and Solutions

CBSE - IX - Biology - Diversity in Living Organisms

i want a full deatial of nemotada

Asked by rai309422 12th February 2018, 9:03 AM
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CBSE - IX - Biology - Diversity in Living Organisms

an invertebrate which emits light

Asked by angelstarshreya 21st January 2018, 7:28 PM
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CBSE - IX - Biology - Diversity in Living Organisms

Given below are two groups of organisms belonging to kingdom Animalia. (a) Octopus, Pila (b) Prawn, Scorpion. Write the names of the phylum to which they belong. State any one characteristic peculiar to these groups.

Asked by Topperlearning User 30th September 2016, 2:12 PM
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CBSE - IX - Biology - Diversity in Living Organisms

Give reason: a. Tapeworms do not have a digestive tract b. Protists have appendages like cilia and flagella

Asked by Topperlearning User 30th September 2016, 2:12 PM
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CBSE - IX - Biology - Diversity in Living Organisms

In Poriferans, name the system that helps in circulating water for food and oxygen? What is their habitat?

Asked by Topperlearning User 30th September 2016, 2:12 PM
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CBSE - IX - Biology - Diversity in Living Organisms

Name the phylum to which Hydra and Tapeworm belong?

Asked by Topperlearning User 30th September 2016, 2:12 PM
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CBSE - IX - Biology - Diversity in Living Organisms

How is Hydra different from tapeworm in this aspect?

Asked by Topperlearning User 30th September 2016, 2:12 PM
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CBSE - IX - Biology - Diversity in Living Organisms

a. “Tapeworm is triploblastic”. What does it mean?

Asked by Topperlearning User 30th September 2016, 2:12 PM
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CBSE - IX - Biology - Diversity in Living Organisms

Name the phylum of animal kingdom to which ‘Parasitic Worms’ causing diseases such as filarial worm, round worm belong.

Asked by Topperlearning User 30th September 2016, 2:12 PM
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CBSE - IX - Biology - Diversity in Living Organisms

Write a short note on the characteristic features of Phylum Ctenophora.

Asked by Topperlearning User 31st March 2016, 11:14 AM
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CBSE - IX - Biology - Diversity in Living Organisms

Name the phylum to which Leech and Earthworm belong.

Asked by Topperlearning User 31st March 2016, 11:13 AM
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CBSE - IX - Biology - Diversity in Living Organisms

On the basis of characteristics given below, name the Phyla (i) Animals which have double layered cells, single opening and tentacles. (ii) Body simple, multicellular, vase like with pores, opening at one end, spiracles present.

Asked by Topperlearning User 31st March 2016, 11:11 AM
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CBSE - IX - Biology - Diversity in Living Organisms

Give a detailed account of Phylum Annelida.

Asked by Topperlearning User 31st March 2016, 10:36 AM
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CBSE - IX - Biology - Diversity in Living Organisms

Mention characteristic features of Phylum Platyhelminthes.

Asked by Topperlearning User 31st March 2016, 10:36 AM
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CBSE - IX - Biology - Diversity in Living Organisms

What are the characters possessed by the organisms of Phylum Cnidaria?

Asked by Topperlearning User 31st March 2016, 10:34 AM
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CBSE - IX - Biology - Diversity in Living Organisms

how can flatworms and roundworms do function when they dont have organs

Asked by adityajhasaby0107 16th November 2015, 3:24 PM
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CBSE - IX - Biology - Diversity in Living Organisms

why we dont take porifera in the group of protista as it shows the property of plant as it is non-motile
 

Asked by shub3893 3rd November 2015, 4:55 PM
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CBSE - IX - Biology - Diversity in Living Organisms

Draw the diagram of Planaria and label the following parts: (i) Eyes (ii) Gastrovascular cavity (iii) Pharynx

Asked by Topperlearning User 4th May 2015, 10:59 AM
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CBSE - IX - Biology - Diversity in Living Organisms

Draw diagram of Hydra and label the following parts: Tentacles,Stinging cells, Gastrovascular Cavity, Epidermis.

Asked by Topperlearning User 4th May 2015, 10:56 AM
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CBSE - IX - Biology - Diversity in Living Organisms

Write the common name for Ascaris, Wuchereria

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Diversity in Living Organisms

List two differences and one similarity between Platyhelminths and Nematodes.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Diversity in Living Organisms

State the role of canal system in Poriferans.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Diversity in Living Organisms

List two distinguishing features between Poriferan and Coelenterate animals.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Diversity in Living Organisms

Classify following organisms based on presence of true Coelom. Spongilla, Planaria, Ascaris, Neries.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Diversity in Living Organisms

Name the phylum in which the animal is dorsoventrally flattened, has three embryonic germ layers and is acoelomate. What are they commonly called? Give one example.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Diversity in Living Organisms

What are nematocysts? What are their functions?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Diversity in Living Organisms

What are polyps and medusae?

Asked by Topperlearning User 12th February 2014, 1:48 PM
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