Question
Which type of pheromones act immediately and bring about
rapid behavioral changes in insects upon release?Solution
Releaser pheromones act almost instantly and trigger specific behavioral responses in insects such as mating or aggression. They are distinct from primer pheromones, which cause long-term physiological changes.
The chiefsource for the production of nitrogeneous fertilizers is :Â
Which one of the following contributes largely to the greenhouse effect?
The mass number of a nucleus is
Chemical name of bleaching powder is
Brass is made of
Which of the following is used to increase the antiknocking property of petrol?
Which mineral is the ore Of aluminium?
Of the following which one pollutes the air of abig city?Â
One property of ammonia isÂ
Burning pyrites ore gives outÂ