MCQ
Purple sulphur bacteria are
- ✓Photolithotroph
- BPhoto-organotroph
- CChemolithotroph
- DChemo-organotrophs
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$A.$ Population density after time $t$
$B.$ Population density at time zero
$C.$ Intrinsic rate of natural increase
$D.$ The base of natural logarithms $(2.71828)$
Identify $A, B, C$ and $D$ from the given equation
$II.$ It comprises dead elements
$III.$ It comprises highly lignified cell wall
$IV.$ It is the peripheral part
$V.$ It is dark and tough
Which of the above property doesn't belongs to heart wood?