1. Tardigrade
  2. Question
  3. Biology
  4. Statement I: Nicotine, caffeine, quinine, strychnine and opium are produced by plants actually as defences against grazers and browsers. Statement II: Thoms of Acacia and cactus are most common physiological means of defence

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Q. Statement I: Nicotine, caffeine, quinine, strychnine and opium are produced by plants actually as defences against grazers and browsers.
Statement II: Thoms of Acacia and cactus are most common physiological means of defence

Organisms and Populations

Solution:

• Nicotine, caffeine, quinine, strychnine and opium are produced by plants actually as defences against grazers and browsers.
• Thoms of Acacia and cactus are most common morphological means of defence.