2. Questions Bank
  3. NEET
  4. Biology
  5. Organisms and population

NEET Biology Organisms and population Question Bank Self Evaluation Test - Organisms and Population

  • question_answer
    Plants have developed various means of protecting themselves from predators. One of the methods is by producing toxic chemicals. Identify such chemicals from the list given below.
    (i) Nicotine
    (ii) Caffeine
    (iii) Quinine
    (iv) Strychnine
    (v) Opium

    A) Only (i)                                     

    B) (i), (ii), (iii) and (iv)

    C) (i), (ii) and (iii)                           

    D) All of the above

    Correct Answer: D

    Solution :

    [d] A wide variety of chemical substances that we extract from plants on a commercial scale (nicotine, caffeine, quinine, strychnine, opium etc); are actually produced by them as defence against grazers and browers.


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