MCQ
Kelps are massive
- ✓Brown algae
- BAmphibious plants
- CFlowering plants
- DPlants with naked seeds
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$I.$ Kidneys are reddish brown and bean-shaped structure
$II.$ Kidneys are situated between the last thoracic and third lumber vertebra
$III.$ Each kidney of an adult human measures $10-12\, cm$ in length, $5-7\, cm$ in width, $2-3 \,cm$ thickness, and average weight $120-170$ $gram$
| | Division of Labour | | Animal |
| | Column I | | Column II |
| A. | Organ level | i. | Pheretima |
| B. | Cellular aggregate level | ii. | Fasciola |
| C. | Tissue level | iii. | Spongilla |
| D. | Organ system level | iv. | Obelia |