How much minimum temperature is essential for wheat germination and optimum temperature for crop growth in degree Celsius?

Q.    How much minimum temperature is essential for wheat germination and optimum temperature for crop growth in degree Celsius?
     1    3.5°C-5.5°C and 20°C-22°C
     2    5.6°C-7.5°C and 16°C-18°C
     3    8°C-10°C and 30°C-35°C
     4    10°C-12°C and 25°C-30°C
          Ans:4
Q.    The ideal temperature for most of the cultivable crops is-
     1    30°C - 50°C
     2    15°C - 40°C
     3    35°C - 40°C
     4    45°C - 55°C
          Ans:2
Q.    Growth of early emerging leaves becomes faster because of-
     1    cell division and cell enlargement
     2    stunt growth of plants
     3    faster photosynthesis
     4    low pressure of outer atmosphere
          Ans:1
Q.    How much percentage dry weight of crops should be at physiological maturity?
     1    28%
     2    20%
     3    25%
     4    30%
          Ans:3
Q.    To reduce the crop-weed competition, at what stage are the herbicides used?
     1    At germination
     2    At tillering
     3    At ear emergence
     4    After first irrigation
          Ans:4
Q.    How does the supply of nitortgen in grains take place?
     1    From old leaves
     2    From plant roots
     3    From stem
     4    By photosynthesis
          Ans:1
Q.    Which of the following points refers to the economic level of output?
     1    MR < MC
     2    MR > MC
     3    MR = AC
     4    MR = MC
          Ans:4
Q.    Television broadcast for rural development programmes in India started in-
     1    1947
     2    1957
     3    1967
     4    1977
          Ans:4
Q.    How much is the fat percentage in the milk of Bhadavari buffalo?
     1    15-18%
     2    8-13%
     3    13-16%
     4    6-10%
          Ans:2
Q.    A hen starts egg laying after how many weeks?
     1    15 weeks
     2    20 weeks
     3    18 weeks
     4    16 weeks
          Ans:2