MCQ
Operon model was proposed by.
- AWatson and Crick
- BNirenberg
- ✓Jacob and Monad
- DNone of these
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$(1)$ Salt concentration in inland water - $30-35\%$
$(2)$ Salt concentration in the sea - $5\%$
$(3)$ Salt concentration in hypersalinelagoon - $>100\%$
$A.$ 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:
$I.$ mass of neoplastic cells
$II.$ cells that grow very rapidly and damaging the surrounding normal tissue
$III.$ cells that show the property of metastasis
Which of the statements given above are correct?