Biology : XI-CH12 – Mineral Nutrition – Assertion and Reason

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Biology : XI-CH12 – Mineral Nutrition – Assertion and Reason

Read the assertion and reason carefully to mark the correct option.

10 Random question from this chapter are displayed, you can take the quiz multiple times to cover all questions

1 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Calcium is a constituent of middle lamella.

Reason: Calcium is required in mitotic division.

2 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Calcium is essential for meristmetic cells

Reason: It involve in formation of spindle apparatus.

3 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: The movement of ion is usually called flux.

Reason: The concentration of essential elements below which the plant growth is retarded is termed as critical concentration.

4 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Nitrogen is very essential for sustenance of life.

Reason: Plants cannot use atmospheric nitrogen directly.

5 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Iron takes part in the electron transport system of mitochondria.

Reason: Iron has no role in chlorophyll synthesis.

6 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: K+ is useful for transpiration process.

Reason: K+ ion help in opening and closing of stomata.

7 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Absorption of mineral is inhibited by anaerobic environment.

Reason: Absorption of mineral is mainly active absorption require oxygenic respiration for more energy.

8 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: S and Ca are immobile.

Reason: S and Ca are part of the structural component of cell and hence it is not easily released.

9 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Nitrogen fixing bacteria in legume root nodules survive in oxygen depleted cells of nodules.

Reason: Leghaemoglobin completely removes oxygen from the nodule cells.

10 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Manganese toxicity leads to deficiency of iron and magnesium.

Reason: Manganese competes with iron and magnesium for uptake.

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