MCQ
Arthropoda is differentiated from annelids by
- ASegmented body
- ✓Absence of nephridia
- CEyes
- DNone of the above
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Statements:
$A.$ On dry land it would die due to lack of O_2 if its mouth is forcibly kept closed for a few days.
$B.$ It has fourchambered heart.
$C.$ On dry land it turns uricotelic from ureotelic.
$D.$ Its lifehistory is carried out in pond water.
| Column I | | Column II | |
| A | Phallomere | i. | Chain of developing ova |
| B | Gnopore | ii. | Bundles of sperm |
| C | Spermatophore | iii. | Opening of the ejaculatiry duct |
| D | Ovarloles | iv. | The external genotalia |