nitrogen is an important constituent of

A trace element essential for plant growth and radioactive isotope which is used in cancer therapy is
known as

In plants a common symptom caused by deficiency of P, K, Ca and Mg is the

insectivorous plants are called so because

Match the followings an choose the correct combination from the options given:
List - I List - II
a. Sulphur 1. chlorophyll b. Zinc 2. nitrogenase c. Magnesium 3. Methionine d. Molybdenum 4. Auxin

Important contribution of molybdenum is

Active transport from outside to inside of molecules across a membrane requires

A trace element is that which is

Which one of the following mineral elements plays an in biological nitrogen fixation?

Hydroponics are

Hydroponics are

Mineral salts which are absorbed by the roots from soil are in the form of

Which of the following is a rootless aquatic plant in which a portion of the leaf forms a tiny sac for
trapping insects?

Gray spots of oat are caused by deficiency of

Nitrifying bacteria

Function of zinc is

fertility of soil in rice fields can be improved by

Fall of immature leaf is due to deficiency of

Exanthema is due to deficiency of

Little leaf is caused due to the deficiency of

Chlorosis occurs when plants are grown in