MCQ
Mycorrhiza is helpful in
- ASynthesis of food
- ✓Getting nutrients from soil
- CProviding resistance against different regulators
- DIncrease the fertility of soil
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$A$. Pharynx is perforated by gill slits.
$B$. Notochord is absent.
$C$. Central nervous system is dorsal.
$D$. Heart is dorsal if present.
$E$. Post anal tail is absent.
Choose the most appropriate answer from the options given below:
| Column - l | Column - ll |
| (a) RNA polymerase I | (i) tRNA |
| (b) RNA polymerase II | (ii) rRNA |
| (c) RNA polymerase III | (iii) hnRNA |
$I$. Pisces $II$. Osteichthyes
$III$. Agnatha $IV$.Gnathostomata
$V$. Chondrichthyes $VI$. Cyclostomata
$A\ -\ B\ -\ C\ -\ D\ -\ E\ -\ F$