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प्रश्न
What are the differences between amphibians and reptiles?
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उत्तर
| Amphibian | Reptiles | |
| 1. | They have a dual mode of life. | They are completely terrestrial. |
| 2. | Scales are absent. | Skin is covered with scales. |
| 3. | They lay eggs in water. | They lay eggs on land. |
| 4. | It includes frogs, toads, and salamanders. | It includes lizards, snakes, turtles, chameleons, etc. |
संबंधित प्रश्न
What are the differences between animals belonging to the Aves group and those in the mammalia group?
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
Define the term hermaphrodite. Give two examples.
Write down four general characters of phylum Arthropoda. Give two examples.
Describe some flight adaptations of the birds.
Distinguish between Nonchordata and Chordata.
Distinguish between polyp and medusa.
Explain the general charaters of phylum Mollusca. Give one example of following classes of Mollusca;
(i) Gastropoda;
(ii) Pelecypoda;
(iii) Cephalopoda.
What are the group names of the following categories of animals?
Animals with three pairs of legs ___________
What are the group names of the following categories of animals?
Animals with feathers _________
Give two examples of each of the following: Platyhelminthes
Fill in the blanks:
The excretory organs of platyhelminthes are ______.
Fill in the blanks:
Nephridia are the excretory organs of ______.
Fill in the blanks:
Dog fish belongs to phylum ______.
Choose the correct answer: Jelly-fish is classified in the phylum
Choose the correct answer: Which of the following is not a helminth parasite?
Assertion (A): Reptiles are warm-blooded animals.
Reason (R): They have scales.
