Mineral Nutrition MCQ

1. _______ are the elements, without which, the plants will not be able to complete its life cycle.
   1. Fertilizers
   2. Microelements
   3. Macroelements
   4. Essential elements
2. One of the following is not a criterion for an element to be termed as “essential”
   1. The element is not required for growth and development
   2. The function of a particular element cannot be replaced with another
   3. The element should be used in plant metabolism
   4. None of the above
3. The idea that plants need essential minerals was first proposed by
   1. Aristotle
   2. Bernand Simpson
   3. Arnon and Stout
   4. Von Haier
4. _________ is a technique where the plants are grown with their roots suspended in the air.
   1. Osmosis
   2. Aerophytes
   3. Aerosolization
   4. Aeroponics
5. ___________ is an important mineral nutrient
   1. Hydrogen
   2. Nitrogen
   3. Oxygen
   4. Carbon
6. ___________ is not a trace element
   1. Sodium
   2. Boron
   3. Carbon
   4. Zinc
7. __________ is a trace element
   1. Phosphorous
   2. Carbon
   3. Magnesium
   4. Sodium
8. Deficiency of _________ causes the leaves to develop a dark green colouration.
   1. Phosphorous
   2. Potassium
   3. Sodium
   4. None of the above
9. Deficiency of ________ causes chlorosis in older leaves 
   1. Calcium
   2. Magnesium
   3. Sodium
   4. Nitrogen
10. A “wild type” organism that does not need any additional growth supplement is known as 
    1. Phenotype
    2. Auxotroph
    3. Autotroph
    4. Prototroph

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