Tag: mineral nutrition in plants

Questions Related to mineral nutrition in plants

Which statement is wrong

  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


Correct Option: B

Active transport of molecules take place 

  1. Along the concentration gradient

  2. Along the electric gradient

  3. Along the pressure gradient

  4. Against the concentration gradient


Correct Option: A

Enzyme catalysed reactions can be inhibited by

  1. $Mg^{2+}$

  2. $Cu^{2+}$

  3. $Hg^{2+}$

  4. $Zn^{2+}$


Correct Option: C

Plants obtain mineral nutrients from.

  1. Rocks

  2. Breakdown products of rocks

  3. Soil

  4. All the above


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
  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-$5$


Correct Option: A

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

  1. Contains proteins

  2. Contains vitamins and carbohydrates

  3. Contains folic acid and amino acids

  4. Is rich in proteins and minerals


Correct Option: A

Plants detoxify heavy metals by means of.

  1. Allelopectins

  2. Abscisic acid

  3. Phytolexins

  4. Phytochelatins


Correct Option: D

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

  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.


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?

  1. Internode shortening

  2. Necrosis

  3. Chlorosis

  4. Etiolation


Correct Option: D

How many of the following mentioned are chief sinks for mineral elements ?
Apical meristems, Developing fruits, seeds mature leaves, Developing flowers, Lateral meristems, wood

  1. 4

  2. 6

  3. 5

  4. 3


Correct Option: A