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