1. | Exine of pollen grains is made up of sporopollenin |
2. | Pollen grains of many species cause severe allergies |
3. | Stored pollen in liquid nitrogen can be used in crop breeding programs |
4. | Tapetum helps in the dehiscence of anther |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | connective | 2. | placenta |
3. | thalamus or petal | 4. | anther |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology