Mineral Nutrition Test

Mineral Nutrition

This is Mineral Nutrition Test-03 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Those essential element which occur in 1-10 mg/g of dry matter are
  • A
    Micronutrients
  • B
    Macronutrients
    Correct
  • C
    Toxic elements
  • D
    Beneficial nutrients
2
Which two minerals are not needed by the majority of plants but very much needed by almost all animals?
  • A
    Sodium and Iodine
    Correct
  • B
    Sodium and Magnesium
  • C
    Oxygen and Nitrogen
  • D
    Carbon and Calcium
3
In plant, nitrate is reduced to ammonia state in two steps. In second step electrons are donated by
  • A
    Cytochrome b5
  • B
    Nitrate reductase
  • C
    Nitrite reductase
  • D
    Ferredoxin
    Correct
4
Most active nitrogen fixer in Rice field is
  • A
    Rhodopseudomonas
  • B
    Aulosira fertilissima
    Correct
  • C
    Nostoc
  • D
    Anabaena
5
Which one is not a reason of mineral depletion in the soil?
  • A
    Use of high yielding varieties
  • B
    Non-rotation of crops
  • C
    Growing leguminous plants
    Correct
  • D
    Leeching of minerals
6
Amino acid derivatives in which –OH component of carboxylic group is replaced by another amino group are called
  • A
    Glycosides
  • B
    Amides
    Correct
  • C
    Ureides
  • D
    Peptides
7
Mineral absorption into the plant is always against the concentration gradient and use ATP as source of energy, it is an/ a
  • A
    Active process
    Correct
  • B
    Inactive process
  • C
    Both Active and Passive
  • D
    Passive process
8
Which one is prerequisite for nitrogen fixation?
  • A
    Nitrite deficiency
  • B
    Oxygen deficiency
  • C
    Nitrate deficiency
    Correct
  • D
    Ammonia deficiency
9
Analysis of xylem sap shows
  • A
    presence of organic matter
  • B
    presence of enzymes
  • C
    presence of nutrients
  • D
    presence of mineral salts
    Correct
10
Function of laghaemoglobin during biological nitrogen fixation in root nodules of legumes is to
  • A
    Protect nitrogenase from Oxygen
    Correct
  • B
    Convert N2 to NH3
  • C
    Transport Oxygen for nitrogenase activity
  • D
    Convert ammonium into nitrite
11
Which group of three elements is required for both photosynthesis mitochondrial electrons transport?
  • A
    Ca, K, Na
  • B
    Cu, Mn, Fe
    Correct
  • C
    Co, Ni, Mo
  • D
    Mn, Co, Ca
12
Salt nutrition is
  • A
    Secretion of salt through respiratory channels
  • B
    Decrease in respiration during mineral absorption
  • C
    Increase in respiration during mineral absorption
    Correct
  • D
    Linking of ion movement with respiratory chain
13
Identify the part of nodule marked X
Question 13 figure 1
  • A
    Infection thread
    Correct
  • B
    Growth thread
  • C
    Infection path
  • D
    Growth path
14
They are compound or mixture of chemicals which are added to the soil in order to overcome deficiency of minerals
  • A
    Pesticides
  • B
    Fertilizers
    Correct
  • C
    Hormones
  • D
    Manure
15
The autotrophs that do not use solar energy for synthesis of food are called
  • A
    Hydrotrophs
  • B
    Bacteriotrophs
  • C
    Chemoautotrophs
    Correct
  • D
    Photoautotrophs