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प्रश्न
Choose the correct answer: The animal of phylum protozoa is
पर्याय
earthworm
housefly
paramoecium
sponge
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उत्तर
paramoecium
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संबंधित प्रश्न
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 |
Give one point of difference between notochord and nerve cord.
Explain the general charaters of phylum Mollusca. Give one example of following classes of Mollusca;
(i) Gastropoda;
(ii) Pelecypoda;
(iii) Cephalopoda.
Explain the general characters of phylum Arthropoda. Give one example of following classes
(i) Crustacea;
(ii) Myriapoda;
(iii) Insecta;
(iv) Arachnida.
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
Give two examples of each of the following: Echinodermata
Fill in the blanks:
Nephridia are the excretory organs of ______.
Choose the correct answer: Mosquito is included in insects because
Choose the correct answer: 'Systema naturae' has been written by
Assertion (A): Reptiles are warm-blooded animals.
Reason (R): They have scales.
