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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
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 one difference between the following pair:
Invertebrates and Vertebrates
Write down four main characters of Platyhelminthes. Give two examples.
What do you mean by the term coelomate animals? Give two examples.
What are adaptations in fishes due to which they are aquatic?
Write down four characters of Osteichtyes and give two examples.
What are differences between the following :
(a) Cartilaginous fishes and bony fishes ;
(b) Amphibia and Reptilia ;
(c) Aves and mammals.
Give an example each of Urochordata and Cephalochordata.
Distinguish between polyp and medusa.
Describe general characteristics of phylum Annelida. Give one example each class of Annelida.
Explain the general charaters of phylum Mollusca. Give one example of following classes of Mollusca;
(i) Gastropoda;
(ii) Pelecypoda;
(iii) Cephalopoda.
Why are scientific names of living beings considered better than their common names?
What are the group names of the following categories of animals?
Animals with a hairy skin ___________
Give any one difference between the following :
Insecta and Arachnida
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Earthworm - Invertebrata, Annelida, Insecta
Name three animals (belonging to different classes) which breathe by means of lungs but have no external ears (pinnae).
Match the names of animal groups in Column I with the names of animals in column II.
|
Column I (Group) |
Column II (Animals) |
|
Annelida |
Pigeon |
|
Porifera |
Snake |
|
Mollusca |
Earthworm |
|
Reptilia |
Sponge |
|
Amphibia |
Octopus |
|
Pisces |
Trout |
|
Mammal |
Rabbit |
Which names are left out that do not match and why?
Write two main characters of the following animal and name the phylum it belongs to: Whale
Give the name of two animals that belong to phylum echinodermata.
Give two examples of each of the following: Pisces
Give two examples of each of the following: Annelida
Give two examples of each of the following: Arthropoda
Fill in the blanks:
The excretory organs of platyhelminthes are ______.
Choose the correct answer: Jelly-fish is classified in the phylum
Choose the correct answer: The animal of phylum mollusca is
Choose the correct answer: The animal of phylum protozoa is
Choose the correct answer: Whittaker is famous
______ in 1623, introduced the binomial nomenclature.
The binomial name of onion is ______.
What is binomial nomenclature?
Write short notes on – Binomial Nomenclature.
Assertion (A): Reptiles are warm-blooded animals.
Reason (R): They have scales.
Bilaterally symmetrical and acoelomate animal are exemplified by:
Give scientific reasons.
Body temperature is not constant in amphibians.
