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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 |
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उत्तर
| Column I | Column II | ||
| (a) | Operculum | (viii) | Osteichthyes |
| (b) | Parapodia | (v) | Annelida |
| (c) | Scales | (iv) | Reptilia |
| (d) | Comb plates | (i) | Ctenophora |
| (e) | Radula | (ii) | Mollusca |
| (f) | Hairs | (vii) | Mammalia |
| (g) | Choanocytes | (iii) | Porifera |
| (h) | Gill slits | (vi) | Cyclostomata and Chondrichthyes |
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संबंधित प्रश्न
How do annelid animals differ from arthropods?
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Write one difference between the following pair:
Invertebrates and Vertebrates
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 |
Write down four characteristics of Ctenophora.
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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.
Butterfly- Insecta, Invertebrata, Mollusca
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Give two examples of each of the following: Echinodermata
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Fill in the blanks:
Dog fish belongs to phylum ______.
Choose the correct answer: Mosquito is included in insects because
Choose the correct answer: Jelly-fish is classified in the phylum
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Bilaterally symmetrical and acoelomate animal are exemplified by:
Kingdom Animalia is characterized by
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:
Consider the following statements:
- Annelids are true coelomates
- Poriferans are pseudocoelomates
- Aschelminthes are acoelomates
- Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below:
