Mineral Nutrition Test-02

Mineral Nutrition Test-02

This is Mineral Nutrition Test-02 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Zn2+ is an activator of
  • A
    Nitrogenase
  • B
    phosphoenolpyruvate carboxylase
  • C
    Oxygenase
  • D
    alcohol dehydrogenase
    Correct
2
Which is an important constituent of protein involved in transfer of electrons?
  • A
    Thiamine
  • B
    Coenzyme A
  • C
    biotin
  • D
    ferredoxin
    Correct
3
The ion which activates many enzymes involved in photosynthesis,respiration, nitrogen metabolism is
  • A
    sodium ions
  • B
    zinc ions
  • C
    potassium ions
  • D
    manganous ions
    Correct
4
Micronutrients are otherwise called as
  • A
    Trace elements
    Correct
  • B
    Mineral elements
  • C
    Structural elements
  • D
    Beneficial elements
5
The elements involved in delay of flowering if their concentration is low are
  • A
    N,S,K
  • B
    N,S,P
  • C
    N,S,Mo
    Correct
  • D
    N,S,Mn
6
The requirement of micro nutrient are always low if the concentration increases it leads to
  • A
    Toxicity
    Correct
  • B
    Cell differentiation
  • C
    Cell elongation
  • D
    deficiency symptoms
7
The excess of manganese may induce deficiency in
  • A
    Zinc, sodium, Iron
  • B
    Sodium, potassium,phosphorus
  • C
    Iron, magnesium,calcium
    Correct
  • D
    Boron, zinc, chlorine
8
The cupric ions are essential for
  • A
    Over all metabolism in plants.
    Correct
  • B
    Helps in opening and closing of stomata.
  • C
    Activates the enzymes in photosynthesis,respiration.
  • D
    Helps in synthesis of cell wall.
9
Element that is necessary for controlling metabolic activities is
  • A
    Calcium
    Correct
  • B
    Potassium
  • C
    Nitrogen
  • D
    Phosphorus
10
The morphological changes are indicative ofcertain element deficiencies and are called
  • A
    Mineral nutrition
  • B
    deficiency symptom
    Correct
  • C
    Protein synthesis
  • D
    Translocation
11
The deficiency symptoms in nitrogen,potassium, magnesium is clearly visible first in
  • A
    stem
  • B
    older leaves
  • C
    buds
  • D
    senescent younger leaves
    Correct
12
Micronutrients which is component of all organic compounds but not obtained from soil
  • A
    Carbon
    Correct
  • B
    Magnesium
  • C
    Nitrogen
  • D
    Phosphorus
13
Element involved in the synthesis of cell wall and storage material are called
  • A
    Constructive elements
  • B
    Secondary elements
  • C
    Framework elements
    Correct
  • D
    Essential elements
14
The most common mineral elements which became deficient in agricultural soil are
  • A
    Calcium, Magnesium and Nitrogen
  • B
    Phosphorus, Nickel and Nitrogen
  • C
    Nitrogen, Phosphorus and Potassium
    Correct
  • D
    Carbon, Nitrogen and Oxygen
15
Plants with Zinc deficiency show reduced biosynthesis of
  • A
    Abscisic acid
  • B
    Ethylene
  • C
    Auxin
    Correct
  • D
    Cytokinin