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Structure Of The Cell - Questions and Answers

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126. Most abundant mineral of extracellular fluids is
A. Calcium
B. Potassium
C. Sodium
D. Phosphate
Explanation:
127. Number of essential elements in plants is
A. 10
B. 17
C. 20
D. 22
Explanation:
128. Maximum content of iron is present in
A. Ferritin
B. Myoglobin
C. Haemoglobin
D. Cytochrome
Explanation:
129. Element required for phloem transport is
A. Copper
B. Iron
C. Boron
D. Sodium
Explanation:
130. Protoplasmic elements form
A. Proteins and enzymes
B. Nucleic acids
C. Lipids
D. All the above
Explanation:
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