EASY
12th Andhra Pradesh Board
IMPORTANT
Earn 100

Which element when supplied in excess leads to appearance of brown spots surrounded by chlorotic veins?

50% studentsanswered this correctly

Important Questions on Mineral Nutrition

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)
EASY
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)
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 18
What acts as oxygen scavenger in the legume-root nodule combination?
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 19
In what way does aspargine differ from aspartic acid?
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Botany>Chapter 2 - Mineral Nutrition>Questions>Q 20
Through which tissue the amino acids are transported inside the plant body?