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Western Dry Zone comprises nine districts of Rajasthan and is characterized by hot sandy desert, erratic rainfall, high evaporation, scanty vegetation, brackish and deep ground water. Famine and drought are common feature of this region.
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Which of the following element is non-essential but useful for plants?
Agrobacterium tumefaciens is ___type of bacteria.
When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as
The 'Principle of marginalism' can be expressed as:
In C₃ plants the enzyme involved for formations of Glyceric acid –3- phosphate (PGA) is:
Which one of the following is NOT correctly matched?
If for a rice variety, grain yield is 3.2t/ha and straw yield is 4.8t/ha, then the value of harvest index is ____
In tobacco crop, the site for synthesis of nicotine is
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