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

 1826  200 Organisms and Populations Report Error

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.