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

Vedclass · Accepted Answer

$I, II$

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(A) $DCMU$ ($3$-($3$,$4$-dichlorophenyl)$-1,1-$dimethylurea) is a herbicide that acts as an inhibitor of non-cyclic electron transport by blocking the plastoquinone binding site.$PMA$ (Phenylmercuric acetate) is a fungicide that also acts as an anti-transpirant by reducing the rate of transpiration in plants.Colchicine is an alkaloid that inhibits mitosis by preventing the formation of spindle fibers; it does not cause male sterility.Soilrite is a commercial mixture of expanded perlite and vermiculite,not sodium alginate. Sodium alginate is used for the encapsulation of somatic embryos in synthetic seed production.

Read the following table and choose 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

During photosynthesis,$H_2O$ undergoes $.............$ and $CO_2$ undergoes $.............$.

Is it correct to say that photosynthesis occurs only in the leaves of a plant? Besides leaves,what are the other parts that may be capable of carrying out photosynthesis? Justify.

Which of the following is/are the raw material$(s)$ for photosynthesis?
$I$. $H_{2}O$
$II$. $CO_{2}$
$III$. Light
$IV$. Chlorophyll
Choose the correct option.

Assertion : Cyclic pathway of photosynthesis first appeared in some eubacterial species.
Reason : Oxygen started accumulating in the atmosphere after the non-cyclic pathway of photosynthesis evolved.

$A -$ Productivity of $C_3$ plants is higher than $C_4$ plants.
$R -$ Photorespiration occurs in $C_3$ plants.

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Read the following table and choose 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