Agriculture - Mock Test 26

Question 251

Economic threshold level is always?

A) Lower than economic injury level (EIL) B) Equal to EIL C) More than EIL D) Reached when severe damage is done

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Question 252

During the process of sclerotization which of the following is oxidised in the haemocytes?

A) Arginine B) Glycene C) Tyrosine D) Alanine

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Question 253

Directorate of Plant Protection, Quarantine and Storage started in?

A) 1940 B) 1946 C) 1950 D) 1952

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Question 254

Diflubenzuron is it derivative of?

A) Difloro compounds B) Dithiophosphoric acid C) Urea D) Phosphonic acid

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Question 255

White grub battles emerge from soil In between?

A) 7.0 - 8.0 p m B) 8.0 - 9.0 p m C) 4.0 - 5.0 a m D) 6.0 - 7.0 p m

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Question 256

Who is often referred to as the 'Father of Animal Classification'?

A) Aristotle B) Carolus Linnaeus C) Wallace D) Hugo de Varies

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Question 257

DDT is toxic to insect pests by?

A) Contact B) Ingestion C) Both a and b D) Inhalation

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Question 258

DDT inhibits the enzyme which plays important role in the formation of effshell in birds is?

A) DD Tase B) Carbonic anhydrase C) Carboxyesterase D) None of the above

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Question 259

Cut worm is a pest of?

A) Arhar B) Cowpes C) Maize D) Gram

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Question 260

Crushing of food in insects is done by?

A) Rectal papilla B) Green cells C) Proventriculus D) Crop

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