MCQ
Dwarfness in cereals is a desirable agronomic trait because:
- ✓Such plants consume less nutrients.
- BThey are easy to harvest.
- CThey give good fodder to cattles.
- DThey show disease$-$resistance.
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| Object | Density (kg/m$^3$) | Volume (m$^3$) | Mass (kg) |
| $A$ | - | $2$ | $4000$ |
| $B$ | $8000$ | $4$ | - |
| $C$ | $2000$ | - | $1000$ |
| $D$ | - | $4$ | $2000$ |