Study the following statements and identify the concerned essential element.

A. It is recently recognized 17th essential element

B. It is as activator of Urease enzyme

C. It induces disease resistance in some plants

D. Its deficiency causes mouse ear in pecan

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
Ni

Nickel was recently recognized as essential element as it was added to the list of essential plant nutrients only in the late 20th century. It acts as activator of urease and also helps with disease tolerance in plants. Mouse ear of pecan is a growth abnormality resulting from a deficiency of nickel in the pecan tree.

Suggest Corrections

Similar questions

Study the following statements and identify the concerned essential element.

A. It is recently recognized 17th essential element

B. It is as activator of Urease enzyme

C. It induces disease resistance in some plants

D. Its deficiency causes mouse ear in pecan

Q. Which of the following statements is correct with respect to the criteria for essentiality of an element?

(I) The element must be absolutely necessary for supporting normal growth and reproduction.

(II) Elements cannot be replaced by another element during its deficiency.

(III) The element must be directly involved in the metabolism of the plant.

(IV) Role of essential elements and their deficiency symptoms can be studied.

(V) The requirement of the element must be specific and not replaceable by another element.

Q. Which of the following statements are correct?
(i) The deficiency of any element can cause multiple symptoms
(ii) Same symptoms may be caused by the deficiency of one or several different elements
(iii) The concentration of the essential element below which plant growth is retarded is termed as critical concentration
(iv) Chlorosis is the loss of chlorophyll due to deficiency of N, K, Mg, Fe, S, Mn, Zn, Mo.
(v) Different plants respond differently to the deficiency of the same element.

‘X’ is essential micronutrient required in leaves and roots. Major function of ‘X’ is to perform metabolism of urea and ureids. Its deficiency causes leaf tip necrosis. Identify 'X'

Q. Identify a common symptom caused by deficiency of essential minerals Cu, Ca, K and Mg in plants.

Join BYJU'S Learning Program