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12th Andhra Pradesh Board
IMPORTANT
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Which micronutrient necessary for photolysis of water is absorbed by plants in anionic form? (Bromine/ Chlorine)

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Important Questions on Mineral Nutrition

EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 10
Which enzyme is activated by the 17th essential element, i.e, nickel?
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 11
When is an element considered to be toxic?
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 12
Which element when supplied in excess leads to appearance of brown spots surrounded by chlorotic veins?
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 13
An anaerobic, free-living, photo-heterotrophic bacteria nitrogen fixation bacterium is Rhizobium or Nitrosomonas.
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 14
Which microorganism produces nitrogen-fixing nodules in Alnus? (Pseudomonas/ Rhizobium)
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12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 15
When the cross section of root nodules of groundnut plants are observed under microscope, they appear pinkish. Why?
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 16
Apart from the cortical cells, which other cells are stimulated to divide by the bacteroids inside the root nodules?
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 17
What is the ratio of electrons and protons required for the fixation of atmospheric molecular nitrogen through biological mode? (1:2/ 1:1/ 3:1)