The following statements are correct except

(1) Different plants respond differently to the deficiency of the same element

(2) The deficiency of any element can cause multiple symptoms and that the same symptoms can be caused by the deficiency of other elements as well

(3) Lack of N, K, S, Mo is responsible for cell division

(4) There is a narrow range of concentration at which elements are optimum

Any mineral ion concentration in tissues that reduces the dry weight of tissues by about 10 per cent is considered

Which of the following are symptom of Mn toxicity?
P. Appearance of brown spots surrounded by chlorotic veins
Q. Mn competes with Fe and Mg for uptake
R. Competes with Mg for binding with enzymes
S. Inhibits calcium translocation in shoot apex
T. It causes deficiency of Mg and Ca
U. It causes Chlorosis
V. It causes Necrosis
W. It causes inhibition of cell division
Which of the above are correct?
1. P, Q, R, S, T, U, V,
2. R, S, T, U, V, W
3. P, Q, R, S, T
4. Q, V, W

The movement of ions is usually called

Apoplast is not associated with

Symplast is not associated with

Xylem sap has minerals is substantiated by

The soil is enriched of dissolved ions and inorganic salts because of

Which of the following is not true about soil?
P. Soil not only supplies minerals but also harbours nitrogen fixing bacteria and other microbes
Q. It holds water
R. It supplies air to the roots
S. It acts as a matrix that stabilises the plant
T. It is a source of photosynthate
U. It is positively geotropic without any exception

1. S, T and U
2. T and U
3. S and U
4. R and T

Which of the following micronutrients does not form components of fertiliser?