2. Solved Papers
  3. NEET

NEET AIPMT SOLVED PAPER 1998

  • question_answer
                    Biological control compenent is central to advanced agricultural production. Which of the following is used as a third generation pesticide?                                                                                                                     

    A)              Pathogens            

    B)              Pheromones

    C)              Insect repellants

    D)              Insect hormone analogues

    Correct Answer: B

    Solution :

                Inorganic substances, oils, plant extracts used as insecticides are called first generation pesticides; synthetic organic compounds as second generation pesticides; whereas insect hormones as third generation pesticides. Pheromones are the chemical substances which when released into an animal's surroundings, influence the behaviour or development of other individuals of the same species.


You need to login to perform this action.
You will be redirected in 3 sec spinner