Analogy type questions:
$(1)$ Nitrogenase : Oxygen sensitive :: Leghaemoglobin : ........
$(2)$ Microbe on roots of Alnus : Frankia :: Roots of leguminous plants : Rhizobium :: Denitrification : Pseudomonas :: Biological nitrogen fixation : ........
$(1)$ Nitrogenase : Oxygen sensitive :: Leghaemoglobin : ........
$(2)$ Microbe on roots of Alnus : Frankia :: Roots of leguminous plants : Rhizobium :: Denitrification : Pseudomonas :: Biological nitrogen fixation : ........
- A$(1)$ Oxygen scavenger,$(2)$ Azotobacter
- B$(1)$ Oxygen carrier,$(2)$ Nitrosomonas
- C$(1)$ Oxygen scavenger,$(2)$ Rhizobium
- D$(1)$ Oxygen carrier,$(2)$ Nitrobacter
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Similar Questions
Consider the following statements regarding mineral nutrition:
$(a)$ Moderate decrease or increase of micronutrients causes deficiency and toxicity symptoms respectively.
$(b)$ Excess of manganese causes toxicity of iron, calcium and molybdenum.
$(c)$ $A$ macronutrient is said to be toxic when present below a critical concentration.
Which of the above statements are correct?
$(a)$ Moderate decrease or increase of micronutrients causes deficiency and toxicity symptoms respectively.
$(b)$ Excess of manganese causes toxicity of iron, calcium and molybdenum.
$(c)$ $A$ macronutrient is said to be toxic when present below a critical concentration.
Which of the above statements are correct?
Medium
View SolutionAmmonium sulphate is:
Easy
View SolutionMatch the following columns correctly:
Column $I$ Column $II$ $(a)$ Manganese $(p)$ For $O_2$ evolution $(b)$ Chlorine $(q)$ Required for thyroid gland development $(c)$ Phosphorus $(r)$ High concentration in mitochondria $(d)$ Iodine $(s)$ Component of nucleic acids
| Column $I$ | Column $II$ |
|---|---|
| $(a)$ Manganese | $(p)$ For $O_2$ evolution |
| $(b)$ Chlorine | $(q)$ Required for thyroid gland development |
| $(c)$ Phosphorus | $(r)$ High concentration in mitochondria |
| $(d)$ Iodine | $(s)$ Component of nucleic acids |
Medium
View SolutionMatch the following and choose the correct combination from the options given.
Column $I$ Column $II$ $a.$ Potassium $(i)$ Germination of pollen grains $b.$ Molybdenum $(ii)$ Involved in synthesis of auxin $c.$ Boron $(iii)$ Involved in stomatal movement $d.$ Zinc $(iv)$ Constituent of ferredoxin $e.$ Sulphur $(v)$ Component of nitrate reductase
| Column $I$ | Column $II$ |
| $a.$ Potassium | $(i)$ Germination of pollen grains |
| $b.$ Molybdenum | $(ii)$ Involved in synthesis of auxin |
| $c.$ Boron | $(iii)$ Involved in stomatal movement |
| $d.$ Zinc | $(iv)$ Constituent of ferredoxin |
| $e.$ Sulphur | $(v)$ Component of nitrate reductase |
Medium
View Solution$A$: Plants absorb nitrogen from the soil in the form of salts.
$R$: Nitrogen is essential for the synthesis of proteins and nucleic acids.
$R$: Nitrogen is essential for the synthesis of proteins and nucleic acids.
Medium
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