Class 12 Science Biology Solutions
12th Biology Science Session 2021-22
12th Biology Terminal Exam Based Extra Questions
Class 12th Biology Sample paper Questions
Suggest two features of plants that will prevent insect and pest infestation
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Class 12 Science Biology Solutions
12th Biology Science Session 2021-22
12th Biology Terminal Exam Based Extra Questions
Class 12th Biology Sample paper Questions
i. increasing hair growth on aerial parts of plants.
ii. Rendering the flowers nectar less.
iii. Enabling plants to secrete insect killing chemicals (toxins).