In which of the following forms is iron absorbed by plants?
1. Ferric 2. Ferrous
3. Free element 4. Both ferric and ferrous
Subtopic:  Mineral Function |
 66%
Level 2: 60%+
NEET - 2018
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Which of the following elements is responsible for maintaining turgor in cells?
1. Magnesium
2. Sodium
3. Potassium
4. Calcium

Subtopic:  Mineral Function |
 82%
Level 1: 80%+
NEET - 2018
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