In hydroponic process, the plant is grown in

Essential elements according to their requirements are named as

Which of the following elements activates the osmotic potential of the cell?

If essential elements are below the amount of nutrients required for normal growth and development of plants, plants show certain morphological and observable characters known as deficiency symptoms. What is the term used for the level of nutrients here?

If essential elements are below their critical concentration, then which of the following symptoms can be seen in plants?

Toxicity of Mn does not cause deficiency of which of the following elements?

In which of the following processes in the nitrogen cycle does the decomposition of organic nitrogen of plants and animals into ammonia take place?

Which of the following statements is/are true regarding apoplast transport?

Which of the following explains the term 'efflux' during the symplast transport?

Which of the following bacteria carry out the process of denitrification?

a. Pseudomonas b. Azotobacter c. Thiobacillus d. Nostoc

The symbiotic biological nitrogen fixing associations like a legume-bacteria relationship is not seen with the species of rod-shaped Rhizobium and the roots of

Which of the following is the correct sequence of nodule formation after multiple interactions between Rhizobium and roots of the host plant?

(a) The infected root hair curls. (b) The nodule establishes a direct vascular connection with the host. (c) Bacteria gets modified into rod-shaped bacteroids. (d) Bacteria contacts a susceptible root hair and divide.

In reductive animation, which of the following acids reacts with ammonia?

Which of the following elements is present in a small amount in tissues?

Phosphorus has an important role in constituting certain structures. Which of the following is/are not among them?