(YAKEEN-2.0) Botany Practice Test - Calcium and Micronutrients
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Questions and Answers

What is the function of leg-haemoglobin in root nodules of legumes?

  • They provide energy to nitrogen-fixing bacteria
  • It carries oxygen to root nodules (correct)
  • It acts as a scavenger of oxygen
  • They act as a catalyst during transamination

    • Which concentration will be considered as highest for any mineral when provided in hydroponics?

  • Concentration at which deficiency symptoms appear
  • Toxic (correct)
  • Optimum range
  • Critical concentration

    • What is the activator of Rubisco?

  • Cu
  • Zn
  • Fe
  • Mg (correct)

    • Name the element that fails to move from old senescent leaves.

    <p>Calcium</p> Signup and view all the answers

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