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Botany Question 7 – AP-EAMCET 2025

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Match the following List-IList-IIA) ViviparyI) To lower the environmental stress and to establish plantletB) ParthenogenesisII) In diploid organisms specialized cells to undergo MeiosisC) MeiocytesIII) Bamboo flowering at the end of the lifeD) PerennialsIV) Development of embryo from unfertilized female gamete

Recall the definitions of key biological terms related to plant reproduction, life cycles, and cell biology.

Step 1: Analyze List-I and List-II terms✦ Active

Understand the core biological concepts presented in each list to facilitate accurate matching. List-I contains terms related to plant reproduction and life cycles, while List-II provides their definitions or characteristics.

💡 Teacher's Secret Hint

Ensure you have a clear understanding of each term before attempting to match. Misinterpreting one term can lead to incorrect overall matching.

Step 2: Match Vivipary and Parthenogenesis○ Expand

Vivipary refers to the germination of seeds while still attached to the parent plant. This is often an adaptation to reduce environmental stress and aid in plantlet establishment. Therefore, A) Vivipary matches with I) To lower the environmental stress and to establish plantlet. Parthenogenesis is a form of asexual reproduction where growth and development of embryos occur without fertilization. Thus, B) Parthenogenesis matches with IV) Development of embryo from unfertilized female gamete.

💡 Teacher's Secret Hint

Vivipary is common in mangroves, where seeds germinate on the parent plant to avoid harsh tidal conditions. Parthenogenesis is a key mechanism in apomixis, a type of asexual reproduction in plants.

Step 3: Match Meiocytes and Perennials○ Expand

Meiocytes are specialized diploid cells that undergo meiosis to produce haploid gametes (spores or sex cells). Hence, C) Meiocytes matches with II) In diploid organisms specialized cells to undergo Meiosis. Perennials are plants that live for more than two years. Some perennials, like bamboo, are monocarpic, meaning they flower once at the end of their long life cycle and then die. Therefore, D) Perennials matches with III) Bamboo flowering at the end of the life.

💡 Teacher's Secret Hint

Remember that meiosis is crucial for sexual reproduction, reducing the chromosome number by half. Not all perennials are monocarpic; most are polycarpic, flowering multiple times throughout their life.

Step 4: Combine matches and select the correct option○ Expand

Based on the individual matches: - A) Vivipary → I) To lower the environmental stress and to establish plantlet - B) Parthenogenesis → IV) Development of embryo from unfertilized female gamete - C) Meiocytes → II) In diploid organisms specialized cells to undergo Meiosis - D) Perennials → III) Bamboo flowering at the end of the life This combination is A-I, B-IV, C-II, D-III, which corresponds to option 3.

💡 Teacher's Secret Hint

Always double-check your final combination against all given options to ensure accuracy and avoid simple transcription errors.

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