MCQ
Which metal is used in particle bombartment ?
- A$Pb$
- B$Ag$
- C$Zn$
- ✓Tungsten
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$A.$ The sporophyte in liverworts is more elaborate than that in mosses.
$B.$ Salvinia is heterosporous.
$C.$ The lifecycle in all seedbearing plants is diplontic.
$D.$ In Pinus male and female cones are borne on different trees.The two wrong statements together are
$I$. To permit the use of genetically modified organisms and their product for commercial applications
$II$. To adopt the procedures for restriction, production and application of $GM$ organisms
$III$. approval to conduct large scale field trails and release of transgenic crops in the environment
Which of the statements are given above are correct?
