MCQ
Hydrocolloid carrageen is obtained from :
- APhaeophyceae and Rhodophyceae
- ✓Rhodophyceae only
- CPhaeophyceae only
- DChlorophyceae and Phaeophyceae
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$I.$ Primary and secondary phloem gets crushed during secondary growth
$II.$ During secondary growth, primary xylem remains more or less intact