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Question

(A) $DCMU$ ($3$-($3$,$4$-dichlorophenyl)$-1,1-$dimethylurea) is a herbicide that acts as an inhibitor of non-cyclic electron transport in photosynthes

Vedclass · Accepted Answer

$I$ and $II$

Vedclass · Answer

(A) $DCMU$ ($3$-($3$,$4$-dichlorophenyl)$-1,1-$dimethylurea) is a herbicide that acts as an inhibitor of non-cyclic electron transport in photosynthesis.$PMA$ (Phenylmercuric acetate) is a fungicide that also acts as an anti-transpirant by reducing transpiration.Colchicine is an alkaloid that inhibits mitosis by preventing the formation of spindle fibers; it does not cause male sterility.Soilrite is a commercial medium used for the encapsulation of somatic embryos,but it is not composed of sodium alginate (sodium alginate is used for the encapsulation process itself).Therefore,the correct pairs are $I$ and $II$.

Read the following and choose the option containing the correct pair:
$I.$ $DCMU$: Herbicide,Inhibitor of non-cyclic electron transport
$II.$ $PMA$: Fungicide,Reduces transpiration
$III.$ Colchicine: Alkaloid,Causes male sterility
$IV.$ Soilrite: Sodium alginate,Encapsulation of somatic embryos

Similar Questions

Which of the following factors is essential for photosynthesis?

Photosynthesis is a:

$I.$ In $C_{3}$-plants,the Calvin pathway takes place in mesophyll cells.
$II.$ In $C_{4}$-plants,the Calvin pathway takes place in the mesophyll cells.
Which of the following statements is true?

Plants in which the first product of $CO_{2}$ fixation is $C_{3}$ acid,i.e.,the ...$A$... pathway,and those in which the first product was $C_{4}$ acid $(OAA)$,i.e.,the ...$B$... pathway. Complete the given statement by filling appropriate options in the given blanks.

Select the correct option regarding photosynthesis.

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Read the following and choose the option containing the correct pair:$I.$ $DCMU$: Herbicide,Inhibitor of non-cyclic electron transport$II.$ $PMA$: Fungicide,Reduces transpiration$III.$ Colchicine: Alkaloid,Causes male sterility$IV.$ Soilrite: Sodium alginate,Encapsulation of somatic embryos