Tag: nutrients and nutrition

Questions Related to nutrients and nutrition

Minerals salts which are absorbed by the root from soil are in the form of

biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

  1. Very dilute solution

  2. Dilute solution

  3. Concentrated solution

  4. Very concentrated solution

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Correct Option: A
Explanation:

Soil solution is very dilute $10^{-3}M$. It is in equilibrium with minerals adsorbed over colloidal particle.

Which statement is wrong

biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

  1. Plant take very little amount of minerals element from soil

  2. Plant absorb one thing at a time either water or minerals salt

  3. Root hair absorb water and minerals together

  4. Minerals absorption primarily takes place by active method

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Correct Option: B

Active transport of molecules take place 

biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

  1. Along the concentration gradient

  2. Along the electric gradient

  3. Along the pressure gradient

  4. Against the concentration gradient

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Correct Option: A

Enzyme catalysed reactions can be inhibited by

biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

  1. $Mg^{2+}$

  2. $Cu^{2+}$

  3. $Hg^{2+}$

  4. $Zn^{2+}$

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Correct Option: C

Plants obtain mineral nutrients from.

biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

  1. Rocks

  2. Breakdown products of rocks

  3. Soil

  4. All the above

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Correct Option: D

Match List I(Element) with List II(Process) and select the correct answer.

List I List II
a. Molybdenum $1$. Photosynthesis
b. Manganese $2$. Respiration
c. sulphur $3$. Nitrate reduction
d. Calcium $4$. Cell division
$5$. Protein synthesis
biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

  1. A-$5$, B-$2$, C-$3$, D-$1$

  2. A-$3$, B-$1$, C-$5$, D-$4$

  3. A-$2$, B-$1$, C-$4$, D-$5$

  4. A-$3$, B-$2$, C-$4$, D-$5$

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Correct Option: A

Mushroom is referred to as a vegetable meat because it _________________.

biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

  1. Contains proteins

  2. Contains vitamins and carbohydrates

  3. Contains folic acid and amino acids

  4. Is rich in proteins and minerals

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Correct Option: A

Plants detoxify heavy metals by means of.

biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

  1. Allelopectins

  2. Abscisic acid

  3. Phytolexins

  4. Phytochelatins

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Correct Option: D

Which one of the following roles is not charcteristic of an essential element?

biology mineral nutrition in plants hydroponics nutrients and nutrition hydroculture

  1. Being a component of biomolecules

  2. Changing the chemistry of soil

  3. Being a structural component of energy related chemical compounds.

  4. Activation or inhibition of enzymes.

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Correct Option: B
Explanation:

A dirt's fruitfulness, which is a substantial property, is simpler to change than the dirt's physical properties. A natural issue, the dirt minerals present, and the seepage conditions all impact soil shading. 

So, the correct option is 'Changing the chemistry of soil'.

Which of the following is not a deficiency symptom of minerals?

biology mineral nutrition in plants hydroponics nutrients and nutrition hydroculture

  1. Internode shortening

  2. Necrosis

  3. Chlorosis

  4. Etiolation

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Correct Option: D