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प्रश्न
State whether true or false. If false, correct the statement.
Balanoglossus is a ciliary feeder.
विकल्प
True
False
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उत्तर
Balanoglossus is a ciliary feeder – True
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संबंधित प्रश्न
Give scientific reasons.
Balanoglossus is connecting link between non-chordates & chordates.
Draw a neat and labelled diagram.
Herdmania
Hermaphrodite organisms are ______.
Choose the correct terms related to Hemichordate
______ has gill slits but does not have a notochord.
Which of the following is NOT true for Hemichordata?
Differentiate between notochord and nerve cord
Excretory organs of different animals are given below. Choose correctly and write in the space provided.
| Animal | Excretory Organ/Unit |
| a. Balanoglossus | i. Metanephridia |
| b. Leech | ii. Nephridia |
| c. Locust | iii. Flame cells |
| d. Liver fluke | iv. Absent |
| e. Sea urchin | v. Malpighian tubule |
| f. Pila | vi. Proboscis gland |
a. ______, b. ______, c. ______
d. ______, e. ______, f. ______
Select the correct statements with reference to chordates.
- Presence of mid-dorsal, solid and double nerve cord.
- Presence of closed circulatory system.
- Presence of paired pharyngeal gill slits.
- Presence of dorsal heart E. Triploblastic pseudocoelomate animals.
Choose the correct answer from the options given below:
Radial symmetry is NOT found in adults of phylum ______.
