Practice Agri economics Questions and Answers

• The famous gene for gene was first established in 1946 in
• Hopper burn is the result of the attack of following insect pest:
• Which disease is commonly found in Jowar field?
• Bacterial leaf blight of rice caused by Xanthomonas oryzae can be identified by
• Cross of  Bikaneri ewes and Merion rams is ?
• ……… is an anaerobically fermented feed prepared from green fodder whenever the supply of green fodder is in plenty. It possesses all the characters o...
• Origin State of Miri breed of poultry is?
• MPP>APP, EP >1 and MR>MC are true for which stage of production?
• Production of one (main product) without the other (by-product) is not possible in case of:
• Power operated machines are operated at pressure ranging from:
• Based on spray volume, sprayers are classified as given below. Which of the following combination is incorrect?
• Which herbicide is used as stomatal closing anti-transpirant when used in low concentrations?
• Intercropping is beneficial when land equivalent ration is:
• HB-1 hybrid of bajra released in 1965 evolved from a cross–
• _____is the hardiest crop among all the pulses.
• Brassica carinata evolved from the cross of:
• Sea island cotton is known as:
• ____ is the richest source of Ca among all the millets.
• Black arm in Cotton is caused due to –
• The first KVK was established in 1974 at Pondicherry under which university?
• “Kisan Bharti” periodical is published from:
• Which of the following rural development programme launched before independence?
• Village panchayat act came into existence in:
• Depth of nursery pond should be between:
• What should be the lime dose (kg/ha) when pH of the soil is in between 4.5- 5?  
• Potassium metabisulhpite is used as a stable source of
• Cauliflower is deficiency indicator plant for which of the following element?
• During manure preparation, FYM should be enriched by addition of which fertilizer?
• KMnO4 (potassium permanganate) is used to determine __________ in soil.
• Aroma of earthy smell in first shower of monsoon is due to the presence of:
• Sodic soil is also known as:
• Which factor is more responsible for black colour in Vertisol?
• In a mixed forest the most important species is referred as:
• Rainfall distribution, heavy rainfall, heat and cold wave conditions, thunder storms, Occurrence of rainfall, temperature intensity etc. are included under...
• For hybrid seed production_______ flowers are completely suppressed on female plants.
• During storage of vegetable seeds, seed moisture should be:
• Storage life of vegetables increased by the use of GA spray at harvesting time. What should be the dose of GA?
• Lamina with ladder like windowing leaving veins intact symptoms of:
• Which of the following is incorrectly matched?
• Black dusty mass formed in plant part is: