[A]: Parthenium has come to india along with a plant having one ovule in its ovary as contaminant.
[R]: Parthenium is crop plant

Both A and R are true and R is the correct explanation of A

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Both A and R are true but R is not the correct explanation of A

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A is true but R is false

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A and R are false

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Solution

The correct option is C A is true but R is false
Parthenium has come to India along with a plant having one ovule in its ovary as contaminant is a true statement and that plant is wheat.Parthenium is a weed not a crop plant.

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[A]: Parthenium has come to india along with a plant having one ovule in its ovary as contaminant. [R]: Parthenium is crop plant

The correct option is C A is true but R is falseParthenium has come to India along with a plant having one ovule in its ovary as contaminant is a true statement and that plant is wheat.Parthenium is a weed not a crop plant.

[A]: Parthenium has come to india along with a plant having one ovule in its ovary as contaminant.
[R]: Parthenium is crop plant

The correct option is C A is true but R is false
Parthenium has come to India along with a plant having one ovule in its ovary as contaminant is a true statement and that plant is wheat.Parthenium is a weed not a crop plant.