Which one of the following statements is wrong?
1. Vegetative cell is larger than generative cell
2. Pollen grains in some plants remain viable for months
3. Intine is made up of cellulose and pectin
4. When pollen is shed at two-celled stage, double fertilization does not take place
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells?
1. 63
2. 84
3. 21
4. 42
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology