Agriculture - Mock Test 69

Question 681

Gravitational potential in soil water is potential created due to?

A) Soil solution B) Mass of the soil solids C) Presence of organic matter in soil D) Gravity

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Question 682

General Soil Productivity Index (GSPI) can be calculated by?

A) Sum of PRI's of major crops/Number of crops B) Sum of PRI's of major crops x 100/Number of crops C) Number of crops/Sum of PRI's of major crops D) None of these

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Question 683

Fungal population is comparatively high in a soil having?

A) Acidic pH B) Neutral pH C) Alkaline pH D) Acidic to neutral pH

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Question 684

Fraction of organic matter comparatively resistant to microbial degradation is?

A) Cellulose B) Protein C) Lignin D) Hemicelluloses

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Question 685

Force (dynes) acting on the surface of water at right angle is one cm of length is called?

A) Cobersion B) Surface tension C) Adhesion D) None of these

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Question 686

Formation of soil is the result of?

A) Action of wind B) Chemical processes C) Bio-chemical processes D) Physical processes

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Question 687

Force (dynes) acting on the surface of water at right angle is one cm of length is called?

A) Cobersion B) Surface tension C) Adhesion D) None of these

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Question 688

For the determination of P by Bray method, the ratio of soil and solution should be?

A) 1;20 B) 1;100 C) 1;10 D) 1;25

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Question 689

For reclamation of alkali soil, gypsum is mixed in the soil at the depth of?

A) 100 cm B) 30 cm C) 60 cm D) 10 cm

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Question 690

For preparing a mixed fertilizer, 100 kg of (NH4)2 SO4 and 125 k of SSP were mixe4⃣ 25 kg of filler was added to this mixture. In terms of N-P-K the fertilizer grade of this mixture will be?

A) 5?5?0 B) 5?10?0 C) 8?8?0 D) 25 kg of filler was added to this mixture. In terms of N-P-K the fertilizer grade of this mixture will be? 1⃣ 5?5?0 2⃣ 5?10?0 3⃣ 8?8?0

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