The process by which nitrogen is converted from atmospheric N₂ to usable forms by microorganisms is called:
Q.202Medium
Which of the following best describes 'eutrophication'?
Q.203Medium
Which of the following is a density-independent factor affecting population dynamics?
Q.204Medium
A forest ecosystem in the Western Ghats shows a decline in apex predator population, leading to an increase in herbivore numbers and subsequent overgrazing. Which ecological principle is being violated in this scenario?
Q.205Medium
Which of the following crops is NOT approved for cultivation as Bt transgenic in India?
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Q.206Medium
Which method of plant genetic engineering does not require a vector?
Q.207Medium
Golden Rice is transgenic rice enriched with which nutrient?
Q.208Medium
What is the primary purpose of callus tissue in plant biotechnology?
Q.209Medium
Which hormone ratio favors shoot formation in plant tissue culture?
Q.210Medium
Which of the following is a somaclone?
Q.211Medium
What is the significance of the T-DNA in Agrobacterium tumefaciens?
Q.212Medium
What is a marker-assisted selection (MAS) in plant breeding?
Q.213Medium
Which regulatory body in India approves genetically modified crops?
Q.214Medium
Bt cotton produces Cry1Ac protein that is toxic to lepidopteran insects. Which of the following statements correctly describes the mechanism of toxin action?
