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Mind Map: Sexual Reproduction in Flowering Plants
The document Mind Map: Sexual Reproduction in Flowering Plants is a part of the NEET Course Biology Class 12.
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FAQs on Mind Map: Sexual Reproduction in Flowering Plants
| 1. What is the difference between anther and ovule in flowering plants? |  |
Ans. The anther is the male reproductive structure that produces pollen grains containing male gametes, while the ovule is the female reproductive structure located in the ovary that contains the egg cell. Anthers are found on stamens at flower tips, whereas ovules develop inside the ovary and eventually become seeds after fertilisation in flowering plants.
| 2. How does pollination lead to fertilisation in plants? | |
Ans. Pollination is the transfer of pollen from anther to stigma, but fertilisation occurs when the pollen tube grows through the style and male gametes fuse with the egg cell inside the ovule. Pollination is the mechanical process; fertilisation is the biological fusion that follows, resulting in seed and fruit formation in sexual reproduction of flowering plants.
| 3. What happens during double fertilisation in angiosperms? | |
Ans. Double fertilisation involves two fusion events: one male gamete fertilises the egg cell to form the zygote (embryo), while the second male gamete fuses with polar nuclei to form the endosperm. This unique process occurs only in flowering plants and provides nutrition for embryo development during seed maturation and plant growth.
| 4. Why do some flowers have both male and female parts? | |
Ans. Flowers with both stamens (male) and carpels (female) are called hermaphrodite or bisexual flowers, enabling self-pollination and reducing dependence on external pollinators. This adaptation increases reproductive success in flowering plants, though many species still prefer cross-pollination to maintain genetic diversity and vigour in offspring.
| 5. What is the role of the endosperm in seed development? | |
Ans. The endosperm is nutritive tissue formed during double fertilisation that stores starch, proteins, and fats essential for embryo nourishment and early seedling growth. It serves as a food reserve that sustains the developing embryo inside the seed until the plant germinates and can photosynthesize independently in sexual reproduction cycles.
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Document Description: Mind Map: Sexual Reproduction in Flowering Plants for NEET 2026 is part of Biology Class 12 preparation. The notes and questions for Mind Map: Sexual Reproduction in Flowering Plants have been prepared according to the NEET exam syllabus. Information about Mind Map: Sexual Reproduction in Flowering Plants covers topics like and Mind Map: Sexual Reproduction in Flowering Plants Example, for NEET 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Mind Map: Sexual Reproduction in Flowering Plants.
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