Tag: essential and non-essential mineral elements

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Questions Related to essential and non-essential mineral elements

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

The Hydroponics is most closely related to which among the following?

  1. Grafting of Plants

  2. Water conservation

  3. Study of Vegetable

  4. Soilless culture of Plants
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hydroponics is a method of growing plants without soil, using mineral nutrient solutions in a water solvent. It is the definition of soilless culture.

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

Regarding the mineral nutrition of plants, which one of the following statements is correct?

  1. The availability of iron to plants decrease with the increase of acidity of the soil
  2. The presence of $CO _2$ dissolved in the soil water reduces the solubility of carbonates of lime in it

  3. Molybdenum is a constituent of nitrate reductase system

  4. Sulphur is a constituent of phenylalanine
Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

Which one of the following is popularly associated with the name of Justus Liebig?

  1. Law of the Minimum

  2. Law of Tolerance

  3. Ecological Niche

  4. Speciation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Justus von Liebig is famous for formulating the Law of the Minimum, which states that plant growth is dictated not by total resources available, but by the scarcest resource.

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

Which one of the following statements correctly fines the term hydroponics?

  1. Growing plants in soil less culture

  2. Culture of fishes by varying the water supply

  3. Growing planktons on the surface of water

  4. Growing plants in sterilized soil
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Hydroponics is defined as the technique of growing plants in nutrient-rich water solutions without the use of soil as a growth medium.

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

Match List-I(mode of nutrition in bacteria) with List-II(examples of bacteria) and select the correct answer.

List-I List-II
a. Photoautotroph $1$. Escherichia coli
b. Chemoautotroph $2$. Rhodospirillum rubrum
c. Photocheterotroph $3$. Chlorobium sp.
d. Chemoheterotroph $4$. Nitrosomonas sp.
  1. A-$4$, B-$3$, C-$2$, D-$1$
  2. A-$3$, B-$4$, C-$1$, D-$2$
  3. A-$3$, B-$4$, C-$2$, D-$1$
  4. A-$4$, B-$3$, C-$1$, D-$2$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Photoautotrophs like Chlorobium use light (3), Chemoautotrophs like Nitrosomonas use chemical energy (4), Photoheterotrophs like Rhodospirillum use light and organic compounds (2), and Chemoheterotrophs like E. coli use organic compounds (1).

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

Match List I (nutrient) with List II(deficiency symptom in leaf) and select the correct answer using the codes given the lists.

List-I List-II
a. Phosphorus $1$. Lower leaves yellow between veins; purplish color of petiole
b. Potassium $2$. Discoloration of leaf, starting from margins and extending towards mid-rib
c. Manganese $3$. Dead tissues around the margins and in between the veins of the leaves
d. Calcium $4$. Development of chlorosis in patches in dicots and in stripes in monocots
  1. A-$1$, B-$2$, C-$3$, D-$4$
  2. A-$2$, B-$1$, C-$3$, D-$4$
  3. A-$1$, B-$2$, C-$4$, D-$3$
  4. A-$2$, B-$1$, C-$4$, D-$3$
Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice biology mineral nutrition in plants nutrients and nutrition essential and non-essential mineral elements transport in the xylem of plants

The mineral nutrient mainly concerning with apical meristematic activity is _________.

  1. K

  2. Ca

  3. N

  4. S
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Potassium (K) is essential for various physiological processes, including the activation of enzymes and the maintenance of turgor pressure, which is critical for cell division and apical meristematic activity.