Match the following
| List I | List II | ||
|---|---|---|---|
| A. | Gorgonia | i. | Marine leech |
| B. | Pontobdella | ii. | Sea Urchin |
| C. | Balanus | iii. | Sea Fan |
| D. | Echinus | iv. | Rock barnacle |
Solution:
The task is to match each element in List I with the correct element in List II by understanding the characteristics of each species.
Based on these associations, the correct matches are:
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): All vertebrates are chordates but all chordates are not vertebrates
Reason (R): Notochord is replaced by the vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the options given below:
| Class | Character | Example |
|---|---|---|
| 1) Xiphosura | Poisonous Claws | Limulus |
| 2) Arachnida | Coxal Glands | Scutigera |
| 3) Crustacea | Biramous appendage | Sarcoptes |
| 4) Diplopoda | Gnathochilarium | Spirostreptus |