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Q. No.Chlorosis is not
(1) Loss of chlorophyll
(2) Leading to yellowing of leaves
(3) Deficiency of elements N, K, Mg, S, Fe, Mn, Zn and Mo
(4) Accumulation of mutated chlorophyll
(1) Loss of chlorophyll
(2) Leading to yellowing of leaves
(3) Deficiency of elements N, K, Mg, S, Fe, Mn, Zn and Mo
(4) Accumulation of mutated chlorophyll
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNecrosis is not caused by deficiency of
(1) Ca, K
(2) Mg, Cu
(3) Cu, Mg
(4) K, Zn
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following elements does not cause both an inhibition of cell division and delay in flowering if their concentration in plants is low?
(1) N
(2) K
(3) S
(4) Mo
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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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