Advertisements
Advertisements
प्रश्न
Match the following.
| Group | Characteristics | ||
| 1. | Molluscs | a. | Feed milk to young ones, warm-blooded |
| 2. | Spongers | b. | bag-like body with tentacles around the opening |
| 3. | Flatworms | c. | fins, gills and cold-blooded |
| 4. | mammals | d. | body with large opening and many small pores all over |
| 5. | Fish | e. | jointed legs, exoskeleton |
| 6. | cnidarians | f. | have only one opening |
| 7. | arthropods | g. | hard shell, soft body |
| h. | cylindrical, unsegmented body with mouth at one end and anus at the posterior end |
उत्तर
| Group | Characteristics | ||
| 1. | molluscs | e. | Jointed legs, exoskeleton |
| 2. | sponges | d. | body with large opening and many small pores all over |
| 3. | flatworms | f. | have only one opening |
| 4. | mammals | a. | feed milk to young ones, warm-blooded |
| 5. | fish | c. | fins, gills and cold-blooded |
| 6. | cnidarians | b. | bag-like body with tentacles around the opening |
| 7. | arthropods | g. | hard shell, soft body |
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
........................... are considered as farmers’ friend of farmers.
Fill in the blank.
The backbone of vertebrates is made up of a number of small bones called .....................
Fill in the blank.
Vertebrates which spend a part of their life on land but reproduce in water are called ..................
Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
Answer in detail.
Write two characteristics of mammals
Give reason for the following.
What happens to the body temperature of a fish when the temperature of water drops?
Which ones of the following animals are invertebrates?
Housefly, Silverfish, Trout, Jellyfish, Whale, Penguin, Lizard and Sponge
Mention any one major similarity and one major difference in the following pairs of an animal:
Cuttlefish and Dogfish
Write zoological names of earthworm.
Karl Von Linne was involved with which branch of science?
