Question
Which of the following statement is/are true?
Statement A: When a weed spp. is already resistance to a herbicide shows resistance to other herbicides of the same chemical class to which it had never been exposed or shows resistance to two or more herbicide due to a single resistance mechanism is called as cross-resistance. Statement B: Resistance through which a spp. shows resistance to herbicide of different chemical classes having a different mode of action is called multiple resistance.Solution
Both the statements are right
In Western Himalayan Region, mean annual rainfall varies from _____
The principal element NOT to be considered while practicing organic farming is:
The length of estrous cycle of sheep is _____
For fiber purpose jute crop should be harvested at which of the following stage?
Main Institute for Agriculture Research & Education in India is?
As compared to main bacterial chromosome, the size of an episome is
When plant cells are placed in hypertonic solution, they become____
Rusts are among the most important fungal diseases of wheat worldwide. Which order generally caused the most deadly rust disease of wheat?
Production of first haploid plants from pollen grains of Datura (Anther culture) was done by ____
Which propagation method is correctly matched with the fruit crop in horticulture?
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