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FOR:- NEET, 11TH & 12TH, B.M DAS ROAD, RAMNA ROAD PATNA 4, , CONTACT :-7004183591/ 8217010442, TEST TOPIC:- MINERAL NUTRITION, 1:- Hydroponics is a technique in which plants, are grown in, (a) Green house, (b) Water saturated sand, (c) Balanced nutrient solution, (d) Purified distilled water, 2:- The plant ash is an indication of, (a) Mineral salts absorbed by the plant, (b) Organic matter of the plant, (c) Both the mineral salts and organic matter, (d) None of the above, 3:-Where does most nutrient uptake occur in, roots ?, (a) At the root tip, where root tissue first, encounters soil away from the zone of nutrient, depletion., (b) At the casparian strip, where ions must, enter the symplast prior to entering xylem, cells., (c) In the symplastic and apoplastic pathways., (d) In root hairs and in the zone of maturation., 4:- It is possible to determine whether an, element is essential by observing growth of, plants, (a) On soil in which the particular element is, removed, (b) On soil in which only the particular, element is present, (c) On an inert medium to which solution of, only the particular element is added, (d) On an inert medium to which a nutrient, solution excluding that particular element, is, added., 5:- Terrestrial plants obtain all of the following, nutrients from the soil except . . ., (a) potassium, (b) nitrogen, (c) phosphorus, (d) carbon, 6:- Which of the group of elements is not, essential for a normal plant?, (a) K, Ca, Mg, (b) Fe, Zn, Mn, B, (c) Pb, I, Na, (d) Mg, Fe, Mo, 7:- For chlorophyll formation a plant needs :, (a) Fe, Ca & light, (b) Fe, Mg & Light, (c) Ca, K & light, (d) Mn & Cu, 8:- The group of mineral nutrients known as, frame work elements are, (a) N, S, P, (b) C, H, O, (c) Mg, Fe, Zn, (d) Zn, Mn, Cu, , 9:-Which element essential for the stability of, chromosome structure?, (a) Zn, (b) Ca, (c) Mo, (d) Fe, 10:-Soil can easily become deficient, in____________ because these ions are, negatively charged and do not stick to, negatively charged clay particles., (a) Nitrate, (b) Calcium, (c) Ammonium, (d) Magnesium, 11:-Which element is required in, comparatively least quantity for the growth of, plant?, (a) Zn, (b) N, (c) P, (d) Ca, 12:-Which of the following essential element, is not properly placed in the given category?, (a) Cu, (b) Zn, (c) Mg, (d) Mn, 13:- Which mineral nutrients are called, critical element for crops?, (a) N, P, K, (b) C, H, O, (c) N, S, Mg, (d) K, Ca, Fe, 14:- The mineral nutrient mainly concerning, with apical meristematic activity is –, (a) K (b) Ca (c) N, (d) S, 15:- Conversion of ammonia into nitrates, through Nitrosomonas is called, (a) nitrogen fixation, (b) nitrification, (c) denitrification, (d) ammonification, 16:- Which is free ion present in a cell ?, (a) P (b) K (c) Fe, (d) B, 17:- Which element is not considered as, macronutrient?, (a) Mg (b) Ca (c) Mn, (d) P, 18:- Which element can not be placed along, with micro nutrients?, (a) Mn (b) Mo, (c) Cu, (d) Ca, 19:- Cobalt present in :, (a) Vit. A, (b) Vit. B2, (c) Vit. B12, (d) Vit. C, 20:- Plants obtain Fe in the form of –, (a) Ferric ions, (b) Ferrous ion, (c) Either ferric or ferrous ions (d) FeSO4, 21:- The most abundant element present in the, plants is, (a) Iron, (b) Carbon, (c) Nitrogen, (d) Manganese, 22:- Which of the following is a component of, middle lamella in plant cells ?

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(a) Mg, (b) Ca (c) K, (d) Fe, 23:- Which of the following element is, necessary for translocation of sugars in plants, ? (a) Boron, (b) Molybdenum, (c) Manganese, (d) Iron, 24:- Deficiency of iron causes :, (a) interveinal chlorosis first on young leaves, (b) decrease in protein synthesis, (c) reduced leaves and stunted growth, (d) bending of stem tip, 25:-The first stable product of fixation of, atmospheric nitrogen in leguminous plants is, (a) Ammonia, (b) – NO3, (c) Glutamate, (d) – NO2, 26:- Which two distinct microbial processes, are responsible for the release of fixed, nitrogen as dinitrogen gas (N2 ) to the, atmosphere?, (a) Anaerobic ammonium oxidation, and, denitrification, (b) Aerobic nitrate oxidation, and nitrite, reduction, (c) Decomposition of organic nitrogen, and, conversion of dinitrogen to ammonium, compounds, (d) Enteric fermentation in cattle, and, nitrogen fixation by Rhizobium in root nodules, of legumes, 27:- Which of the following elements is a, constituent of biotin?, (a) Sulphur, (b) Magnesium, (c) Calcium, (d) Phosphorus, 28:- Deficiency symptoms of nitrogen and, potassium are visible first in, (a) Senescent leaves, (b) Young leaves, (c) Roots, (d) Buds, 29:- Minerals known to be required in large, amounts for plant growth include, (a) calcium, magnesium, manganese, copper, (b) potassium, phosphorus, selenium, boron, (c) magnesium, sulphur, iron, zinc, (d) phosphorus, potassium, sulphur, calcium, 30:- In which of the following, all three are, macronutrients?, (a) Boron, zinc, manganese, (b) Iron, copper, molybdenum, (c) Molybdenum, magnesium, manganese, (d) Nitrogen, calcium, phosphorus, 31:- Which one of the following roles is not, characteristic of an essential element?, (a) being a component of biomolecules, (b) changing the chemistry of soil, , (c) being a structural component of energy, related chemical, (d) activation or inhibition of enzymes, 32:- Which one of the following statements, can best explain the term critical, concentration of an essential element?, (a) essential element concentration below, which plant growth is retarded, (b) essential element concentration below, which plant growth becomes enhanced, (c) essential element concentration below, which plant remains in the vegetative phase, (d) None of the above, 33:- Deficiency symptoms of an element tend, to appear first in young leaves. It indicates, that the element is relatively immobile. Which, one of the following elemental deficiency, would show such symptoms?, (a) Sulphur, (b) Magnesium, (c) Nitrogen, (d) Potassium, 34:-Which one of the following symptoms is, not due to manganese toxicity in plants?, (a) Calcium translocation in shoot apex is, inhibit, (b) Deficiency in both iron and nitrogen, induced, (c) Appearance of brown spot surrounded by, chlorotic veins, (d) None of the above