(B) The radioactive isotope of Strontium,specifically $Sr-90$,is a byproduct of nuclear fission in nuclear reactors and nuclear weapons testing. It is

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(B) The radioactive isotope of Strontium,specifically $Sr-90$,is a byproduct of nuclear fission in nuclear reactors and nuclear weapons testing. It is chemically similar to Calcium and can be absorbed by plants from the soil,subsequently entering the food chain. Therefore,it is commonly found in plants growing near nuclear test sites.

Class 11 Biology Mineral Nutrition ESSENTIAL MINERAL ELEMENTS

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Which of the following elements is radioactive and is found in plants growing near nuclear test sites?

A
Gold
B
Strontium
C
Selenium
D
Phosphorus

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Mineral Nutrition

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ESSENTIAL MINERAL ELEMENTS

The major part of the dry weight of plants is composed of ......... .

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Macronutrients like carbon,hydrogen and oxygen are obtained mainly from

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$A$ : $N, P, K$ are called critical elements.
$R$ : They become deficient easily in soil due to leaching and higher requirement.

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Which of the following is $NOT$ a criterion for the essentiality of a mineral element?

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Which one of the following present in plants is mineral in origin?

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Which of the following elements is radioactive and is found in plants growing near nuclear test sites?

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The major part of the dry weight of plants is composed of ......... .

Macronutrients like carbon,hydrogen and oxygen are obtained mainly from

$A$ : $N, P, K$ are called critical elements. $R$ : They become deficient easily in soil due to leaching and higher requirement.

Which of the following is $NOT$ a criterion for the essentiality of a mineral element?

Which one of the following present in plants is mineral in origin?

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$A$ : $N, P, K$ are called critical elements.
$R$ : They become deficient easily in soil due to leaching and higher requirement.