MCQ
True coelom appeared first in the course of evolution in
- AAschelminthes
- BChordata
- CEchinodermata
- ✓Annelida
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$I.$ Diffusion membrane is made up of $3$ layers
$II.$ Solubility of $CO _{2}$ in blood is higher than $O _{2}$ by $25$ times
$III.$ Breathing volumes are estimated by spirometer
$IV.$ High $H ^{+}$ in blood favours oxygen dissociation
Choose the correct option
| List $I$ | List $II$ |
| $A$. Rhizopus | $I$. Mushroom |
| $B$. Ustilago | $II$. Smut fungus |
| $C$. Puccinia | $III$. Bread mould |
| $D$. Agaricus | $IV$. Rust fungus |
Choose the correct answer from the options given below: