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प्रश्न
Prepare a list of some animals that are found parasitic on human beings.
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उत्तर
List of some animals that are found parasitic on human beings:
| Parasite | Nature of parasites | Organ |
| Taenia solium (Pork Tapeworm) | Endoparasite | Small intestine |
| Schistosoma (Blood fluke) | Endoparasite | Hepatic portal system and mesenteric blood vessels |
| Ancylstoma duodenale (Hook worm) | Endoparasite | Small intestine |
| Wuchereria (Filarial worm) | Endoparasite | Lymph nodes and lymphatic vessels |
| Enterobius (Pin worm) | Endoparasite | Colon, caecum or vermiform appendix |
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संबंधित प्रश्न
How do poriferan animals differ from coelenterate animals?
What are the differences between amphibians and reptiles?
Match the following:
| Column I | Column II | ||
| (a) | Operculum | (i) | Ctenophora |
| (b) | Parapodia | (ii) | Mollusca |
| (c) | Scales | (iii) | Porifera |
| (d) | Comb plates | (iv) | Reptilia |
| (e) | Radula | (v) | Annelida |
| (f) | Hairs | (vi) | Cyclostomata and Chondrichthyes |
| (g) | Choanocytes | (vii) | Mammalia |
| (h) | Gill slits | (viii) | Osteichthyes |
Write down four characteristics of Ctenophora.
Write down four main characters of Annelida.
What do you mean by the term triploblastic animals?
Give four general characters of phylum Mollusca.
Name the phylum in which ambulacral system is present. What is its function?
Write short note on protochordates.
How do animals of Porifera differ from animals of Cnidaria?
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Explain the general charaters of phylum Mollusca.
Explain the general characters of phylum Arthropoda.
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Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Grasshopper-Wings, trachea, proboscis
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Butterfly- Insecta, Invertebrata, Mollusca
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Bat - Aves, Mammalia, Chordata
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Write two main characters of the following animal and name the phylum it belongs to: Jelly fish
Give two examples of each of the following: Pisces
Fill in the blanks:
Nephridia are the excretory organs of ______.
Fill in the blanks:
Dog fish belongs to phylum ______.
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______ in 1623, introduced the binomial nomenclature.
True (or) False. If false write the correct answer.
True nucleus is seen in prokaryotic cell.
Assertion: Binomial name is the universal name and contains two names.
Reason: It was first introduced by Carolus Linnaeus
What is binomial nomenclature?
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Body temperature is not constant in amphibians.
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Reason (R): The members of subphylum vertebrata possess notochord, during the embryonic period, the notochord is replaced by a cartilaginous or bony vertebral column in adults.
In the light of the above statements, choose the correct answer from the options given below:
