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