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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAny mineral ion concentration in tissues that reduces the dry weight of tissues by about 10 per cent is considered
(1) Deficient
(2) Sufficient
(3) Toxic
(4) Efficient
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe movement of ions is usually called
(1) Pressure Flow
(2) Flux
(3) Diffusion
(4) Osmosis
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyApoplast is not associated with
(1) Passive flux
(2) Rapid
(3) Uptake of ions into the free space or outer space of cells
(4) Usually has no involvement of ion channels or transmembrane proteins which function as selective pore
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySymplast is not associated with
(1) Active flux
(2) Slow
(3) Uptake of ions through the cell
(4) Usually has involvement of ion channels or transmembrane proteins which function as selective pore
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyXylem sap has minerals is substantiated by
(1) Heavy isotope of mineral element
(2) Isobar of mineral element
(3) Radioisotopes of mineral elements
(4) Protium labelled isotope of mineral elements
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe soil is enriched of dissolved ions and inorganic salts because of
(1) Raining
(2) Leaching
(3) Weathering
(4) Erosion
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following micronutrients does not form components of fertiliser?
(1) Cu, Mn
(2) Zn, K
(3) Fe, Cu
(4) Cu, Zn
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology