Q. No.1. Epidermal layer
2. Tapetum
3. Exine layer
4. Intine layer
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Solanaceae, Poaceae and Liliaceae
2. Brassicaceae, Liliaceae and Poaceae
3. Rosaceae, Liliaceae and Poaceae
4. Leguminosae, Solanaceae and Rosaceae
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn some members of which of the following pairs of families, pollen grains retain their viability for months after release?
1. Poaceae; Solanaceae
2. Rosaceae; Leguminosae
3. Poaceae; Rosaceae
4. Poaceae; Leguminosae
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following has proved helpful in preserving pollens as fossils?
| 1. | Pollen kit | 2. | Cellulosic intine |
| 3. | Oil content | 4. | Sporopollenin |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPollen grains can be stored for several years in liquid nitrogen having a temperature of:
| 1. | –120 °C | 2. | –80 °C |
| 3. | –196 °C | 4. | –160 °C |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn angiosperms, microsporogenesis and megasporogenesis?
1. Occur in anther
2. Form gametes without further divisions
3. Involve meiosis
4. Occur in ovule
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMale gametophyte in angiosperms produces?
1. Two sperms and a vegetative cell
2. Single sperm and a vegetative cell
3. Single sperm and two vegetative cells
4. Three sperms
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following statements is not true?
| 1. | Pollen grains are rich in nutrients and they are used in the form of tablets and syrups |
| 2. | Pollen grains of some plants cause severe allergies and bronchial afflictions in some people |
| 3. | The flowers pollinated by flies and beetles secrete foul odour to attract them |
| 4. | Honey is made by bees by digesting pollen collected from flowers |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology2. Sporopollenin
3. Lignin
4. Cellulose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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 a two-celled stage, double fertilization does not take place |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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