Pick out the wrong statement.
(A) Loamy soil is the best soil for vigorous plant growth, while the clayey
soil is solid and hence the plant roots penetrate with difficulty
(B) Large excess use of nitrogenous fertiliser in land causes the problem of
diarrhoea and cyanosis
(C) Application of large excess of Potassic fertiliser in soil increases the
valuable carotene in fruits and vegetables
(D) Cereal crops grown on alkaline soil absorb higher amount of fluorides
thereby spreading fluorosis

1 Answer

Answer :

(C) Application of large excess of Potassic fertiliser in soil increases the
valuable carotene in fruits and vegetables

Related questions

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Description : Urea is a __________ fertiliser. (A) Nitrogenous (B) Potassic (C) Phosphatic (D) None of these

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Last Answer : Ans: (c)

Description : In the coastal lowland of Kerala two crops of rice is grown per year because of: [IAS 2003] 1. high temperature in winter 2. adequate rain throughout the year 3. adequate irrigation facility 4. presence of water retentive clayey loam soil (a) Only 1 (b) 2 and 3 (c) 1 and 2 (d) 1, 3, and 4

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Description : The soil which is a mixture of sand, clay and silt is known as: (a) loamy soil (b) sandy soil (c) clayey soil (d) desert soil

Last Answer : Ans: (a)

Description : Sprinkler irrigation is suitable, where the soil has— (A) Clayey texture (B) Loamy texture (C) Undulating topography (D) All of these

Last Answer : (D) All of these

Description : Nitrogenous fertiliser is required (A) During the early stage of growth to promote development of stem andleaves (B) For accelerating fruit formation in later stage of growth (C) To lessen the effect of excessive potash application (D) None of these

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Description : A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case, (A) The cooling rate will be the same for the two spheres and hence the ... equal amount of radiation from the surrounding in the beginning (D) Both (B) & (C)

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Description : Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the (A) Osmotic pressure of the soil water becomes less than that of the plant sap (B) Soil ... pressure of the soil water becomes higher than that of the plant sap (D) Soil becomes too acidic

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Description : What is the reason for India being a major producer of different varieties of fruits and vegetables? a. Its large populations size b. Its large land area c. Variation in its agro-climatic conditions d. Diversity in socio-cultural phenomenon

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Last Answer : (B) 7-8

Description : C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about (A) 2 (B) 6 (C) 13 (D) 20

Last Answer : (B) 6

Description : Steam reforming of naphtha is a source of hydrogen production for nitrogenous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha? (A) 1.5 : 1 (B) 3.5 : 1 (C) 10 : 1 (D) 15 : 1

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Last Answer : (B) The best fertiliser for paddy

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Last Answer : (B) Mixed

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