Q. Which is the hybrid of Pusa Giant Napier?
1) Napier x Jowar
2) Napier x Bajra
3) Jowar x Bajra
4) Bajra x Jowar
Q. What is Azofication?
1) It is also known as composite fixation of nitrogen
2) It is also known as free fixation of nitrogen
3) It is also known as free fixation of nitrogen fixed by Rhizobium bacteria
4) It is also known as nitrogen gain through rains or snow
Q. Which pH range is not suitable to grow the crop?
1) Oats - 5.0 - 7.5 pH
2) Cotton - 6.0 - 7.5 pH
3) Bean - 6.0 -8.0 pH
4) Potato - 4.5 - 6.5 pH
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
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
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
Q. How much percentage dry weight of crops should be at physiological maturity?
1) 28%
2) 20%
3) 25%
4) 30%
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
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
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
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