MCQ
In chasmogamy pollination takes place in
- ✓Open flower
- BClosed flower
- CLarge flower
- DGeitonogamy flower
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$I.$ Differentiation
$II.$ Redifferentiation
$III.$ Dedifferentiation
Select the right combination from the given option
Plant $→$ Insect $→$ Frog $→$ “$A$” $→$ Eagle
Statement $I$ : Bt toxins are insect group specific and coded by a gene cry $IAc$.
Statement $II$ : Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect the inactive protoxin gets converted into active form due to acidic $\mathrm{pH}$ of the insect gut.
In the light of the above statements, choose the correct answer from the options given below: