Mineral Nutrition Test

Mineral Nutrition

This is Mineral Nutrition Test-04 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Influx and efflux of H+ ions inside the cell change the
  • A
    Nitrate concentration
  • B
    Permeability of plasma membrane
  • C
    pH
    Correct
  • D
    Na+ ion concentration
2
Minerals present in the soil are absorbed by
  • A
    stems
  • B
    buds
  • C
    leaf
  • D
    roots
    Correct
3
Entry of ions into cells is called
  • A
    Inflow
  • B
    Influx
    Correct
  • C
    Outflux
  • D
    Out flow
4
Which one of the following organism help in absorption of phosphorus from soil by plants
  • A
    Glomus
    Correct
  • B
    Anabaena
  • C
    Frankia
  • D
    Rhizobium
5
Element required for germination of pollen grain is
  • A
    Calcium
  • B
    Chlorine
  • C
    Potassium
  • D
    Boron
    Correct
6
Non-symbiotic nitrogen fixing prokaryote is
  • A
    Acetobacter
  • B
    Frankia
  • C
    Azotobacter
    Correct
  • D
    Rhizobium
7
Main role of minor elements is to act as
  • A
    Constituent of hormones
  • B
    Cofactor of enzyme
    Correct
  • C
    Constituent of amino acids
  • D
    Binder for cell structure
8
Which one is not a element deficiency symptoms
  • A
    Smaller fruits Interveinal chlorosis Scorched leaf tips Exanthema
    Correct
  • B
    Interveinal chlorosis
  • C
    Exanthema
  • D
    Scorched leaf tips
9
Grey spots of Oat are due to deficiency of
  • A
    Fe
  • B
    Zn
  • C
    Cu
  • D
    Mn
    Correct
10
Sulphur is important nutrient for optimum growth and productivity of
  • A
    Fibre crops
  • B
    Cereals
  • C
    Oil crops
  • D
    Pulse
    Correct
11
The productivity of a soil depends upon the proportionate amount of deficient mineral is called
  • A
    Law of minimum
    Correct
  • B
    Law of maximum
  • C
    Low of constant minerals
  • D
    Law of definite proportion
12
Dark brown amorphous substance formed by degradation of cellulose and lignin in the soil to increase water holding capacity and aeration is
  • A
    Legume
  • B
    Ureides
  • C
    Humus
    Correct
  • D
    Pathogens
13
Main function of Nickel (Ni2+) in leaves and root is
  • A
    Activates enzymes
  • B
    Metabolism of urea and ureides
    Correct
  • C
    Amylase and anion-cation balance
  • D
    Cytochrome oxidase
14
In legumes, rhizobium bacteria are found in
  • A
    Stems
  • B
    Leaves
  • C
    Seeds
  • D
    Roots
    Correct
15
Element required for nitrogen metabolism is
  • A
    Manganese
  • B
    Zinc
  • C
    Copper
  • D
    Molybedenum
    Correct