Advertisements
Advertisements
प्रश्न
Prepare a list of some animals that are found parasitic on human beings.
Advertisements
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 |
APPEARS IN
संबंधित प्रश्न
How do poriferan animals differ from coelenterate animals?
What are the differences between amphibians and reptiles?
What are the differences between animals belonging to the Aves group and those in the mammalia group?
Explain how animals in Vertebrata are classified into further subgroups.
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 |
Match the animals given under column A with their respective classification group given under column B
| Column A | Column B | ||
| 1 | Sponge | a | Amphibia |
| 2 | Snail | b | Reptilia |
| 3 | Butterfly | c | Echinodermata |
| 4 | Toad | d | Mollusca |
| 5 | Lizard | e | Arthropoda |
| 6 | Starfish | f | Porifera |
What is difference between bilateral symmetry and radial symmetry?
Write down four main characters of Platyhelminthes. Give two examples.
What are adaptations in fishes due to which they are aquatic?
Describe some flight adaptations of the birds.
Give an example each of Urochordata and Cephalochordata.
Distinguish between Nonchordata and Chordata.
Distinguish between polyp and medusa.
Write down four general characters of cnidarians (coelenterates). Give two examples.
Explain general characteristics of phylum Platyhelminthes and Nematoda. Give two examples of each.
Explain the general characters of phylum Arthropoda. Give one example of following classes
(i) Crustacea;
(ii) Myriapoda;
(iii) Insecta;
(iv) Arachnida.
The animals (Kingdom Animalia) are mainly grouped under two categories
What are the group names of the following categories of animals?
Animals with a hairy skin ___________
What are the group names of the following categories of animals?
Animals with three pairs of legs ___________
TYRANNOSAURUS
(One of the extinct animals which lived on the Earth about 100,000,000 years ago) Tyrannosaurus was about six meters long and it preyed upon other animals.

What do you think about its classification-was it an amphibian, a reptile or a mammal?
Can you call it a relative of Kangaroo? Yes/No. Give reason
Give four important characters of mammals.
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: Arthropoda
Fill in the blanks:
Nephridia are the excretory organs of ______.
Fill in the blanks:
Bath sponge belongs to 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: The animal of class pisces is
Choose the correct answer: Multicellular producers are
Choose the correct answer: 'Systema naturae' has been written by
True (or) False. If false write the correct answer.
True nucleus is seen in prokaryotic cell.
Write short notes on – Binomial Nomenclature.
Give scientific reasons.
Body temperature is not constant in amphibians.
Assertion (A): All vertebrates are chordates but all chordates are not vertebrate.
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:
