Which of the following protects nitrogenase inside the root nodule of a leguminous plant?

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Which one of the following produces nitrogen fixing nodules on the roots of Alnus?

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Match the following concerning essential elements and their functions in plants (a) Iron          &n...

The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are

Which of the following elements is responsible for maintaining turgor in cells?

In which of the following forms is iron absorbed by plants?

Which is essential for the growth of root tip?

In which of the following all three are macronutrients?

The oxygen evolved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is involved in this reaction?

During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by

Minerals known to be required in large amounts for plant growth include

Deficiency symptoms of nitrogen and potassium are visible first in

Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere?

Which of the following elements is a constituent of biotin?

Specialized cells for fixing atmospheric nitrogen in Nostoc are

The first stable product of fixaation of atmospheric nitrogen in leguminous plants is

For its action, nitrogenase requires

Best defined function of manganese in green plants is

Which one of the following is correctly matched?

Which one of the following is not an essential mineral element for plants while the remaining three are?

Which one of the following elements in plants is not remobilised?

The function of leghaemoglobin in the root nodules of legumes is

Nitrifying bacteria

Which one of the following helps in absorption of phosphorus from soil by plants?

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen through the process of symbiotic nitrogen fixation. w...

Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D. ...

Which one of the following is not a micronutrient?

An element playing important role in nitrogen fixation is

Manganese is required in

Which one of the following elements is not an essential micronutrient for plant growth?

A plant requires magnesium for

Sulphur is an important nutrient for optimum growth and productivity in

The deficiencies of micronutrients, not only affects growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow....

If by radiation all nitrogenase enzyme are inactivated, then there will be no

Boron in green plants assists in

Gray spots of oat are caused by deficiency of

Choose the correct match. Bladderwort, sundew, Venus flytrap

Roots of which plant contains a red pigment which have affinity for oxygen?

Which aquatic fern performs nitrogen fixation?

Mg is a component of

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

Plants take zinc in the form of