At which height from soil level are the synoptic meteorological observations done?

Q.    At which height from soil level are the synoptic meteorological observations done?
     1    2.0 metre
     2    1.25 metre
     3    2.2 metre
     4    1.0 metre to 2.0 metre
          Ans:4
Q.    Success of rural projects depends upon-
     1    Agriculture Extension
     2    Management
     3    Soil Science
     4    Regular training of staff
          Ans:1
Q.    'Pheromone Trap' attracts-
     1    male moths
     2    female moths
     3    caterpillar
     4    female bugs
          Ans:1
Q.    What is the average temperature of cow and buffalo?
     1    -98.4°F
     2    100°F
     3    101.5°F
     4    102°F
          Ans:3
Q.    How many days can the Aonla be kept in salt solution?
     1    15 days
     2    30 days
     3    60 days
     4    75 days
          Ans:4
Q.    At the time of Apple fruit setting what is the minimum temperature required?
     1    10°C
     2    4.5°C - 5.5°C
     3    8°C - 10°C
     4    2°C - 3°C
          Ans:3
Q.    Which variety of Papaya gives maximum Papain?
     1    Pusa Delicious
     2    Pusa Majesty
     3    Pusa Gaint
     4    Pusa Dwarf
          Ans:3
Q.    How much cloves of garlic is required for one hectare?
     1    400 kg
     2    500 kg
     3    600 kg
     4    300 kg
          Ans:1
Q.    In which state of India is the area of Coffee maximum?
     1    Kerala
     2    Andhra Pradesh
     3    Karnataka
     4    Tamil Nadu
          Ans:3
Q.    Potato tuber growth is stopped at what temperature?
     1    40°C - 42°C
     2    30°C - 32°C
     3    35°C - 37°C
     4    38° - 40°C
          Ans:2