Advertisements
Advertisements
प्रश्न
Fill in the blanks:
Nephridia are the excretory organs of ______.
Advertisements
उत्तर
Nephridia are the excretory organs of Annelida.
APPEARS IN
संबंधित प्रश्न
How do poriferan animals differ from coelenterate animals?
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 main characters of Platyhelminthes. Give two examples.
Name the phylum in which ambulacral system is present. What is its function?
Distinguish between polyp and medusa.
Rewrite the following scientific names correctly.
ficus religiosa (peepal), zea Mays (maize) and Bombyx Mori (silk moth).
What are the group names of the following categories of animals?
Animals with a hairy skin ___________
Fill in the blanks:
The excretory organs of platyhelminthes are ______.
Choose the correct answer: The animal of phylum mollusca is
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:
