MCQ
The xylem which is functional in a dicot tree is
- ASpring wood
- ✓Sap wood
- CAutumn wood
- DHeart wood
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$A.$ Detrivores perform fragmentation.
$B.$ The humus is further degraded by some microbes during mineralization.
$C$. Water soluble inorganic nutrients go down into the soil and get precipitated by a process called leaching.
$D$. The detritus food chain begins with living organisms.
$E$. Earthworms break down detritus into smaller particles by a process called catabolism.
Choose the correct answer from the options given below:
$a$ - Sacred grooves are part of in situ-conservation
$b$ - Zoological parks are approach for in situ-conservation
$c$ - In this approach ecologically unique and biodiversity rich regions are legally protected.