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Mineral Nutrition · Question 52

AIPMT 2000MCQEasy📈 Topic in 25% papers+4−1
1

Mg is a component of

  1. chlorophyll
  2. cytochrome
  3. haemoglobin
  4. haemocyanin

Answer

(1) chlorophyll

Solution

As per NCERT, magnesium is a constituent of the ring structure of chlorophyll.

⇒ Cytochromes and haemoglobin contain iron, while haemocyanin contains copper.

Answer: (1)

Out of syllabusAIPMT 2000

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2

Plants take zinc in the form of

  1. ZnSO4
  2. Zn2+
  3. ZnO
  4. Zn
Out of syllabusAIPMT 2000
3

When the plants are grown in magnesium deficient but urea rich soil, the symptoms expressed are

  1. yellowish leaves
  2. colourless petiole
  3. dark green leaves
  4. shoot apex dies
Out of syllabusAIPMT 2000

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