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Q. No.The deficiency symptoms of S and Ca will appear first in
(1) Both in young and old parts
(2) Only in young parts
(3) First in old parts
(4) First in young parts
(1) Both in young and old parts
(2) Only in young parts
(3) First in old parts
(4) First in young parts
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhy does S and Ca deficiency not found in older parts first?
(1) As they are immobilizable
(2) As they are very abundant in older parts
(3) As newer parts are already deficient
(4) Both A and B
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe knowledge of deficiency symptoms of mobilizable and immobilizable substances actually helps in
(1) Horticulture
(2) Agriculture
(3) Both A and B
(4) Pisciculture
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChlorosis 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
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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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