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Showing posts with the label Biology ( 0610) transport in plants

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Why do we experience Déjà Vu ? 😲

You walk into a room and see someone talking.... And then it hits you, you have experienced this moment before! I am sure that allot of us have been in such a situation. However, there is a scientific explanation for this too!  Many scientists believe that this is some sort of a short circuit or a malfunction in our brain. Theory #1: There are many theories surrounding this phenomenon. The first one revolves around the concept of familiarity. The fact that the brain might confuse it with something that we are familiar with instead of something that we remember distinctly. Theory # 2: 🔬 The other theory is about delay processing in the brain! The fact that the brain might process the signal twice, hence making us feel like we have seen or experienced the situation before. Overall, the cause of  Déjà Vu is still disputed upon. With many scientific theories trying to back it up, it is still something that science needs to completely decode. Anyways that's all for today! Com...
 Biology 0610 IGCSE: Transport in Plants Questions that will help you ace the exam💖    So, this blog will address a few questions regarding the biology IGCSE topic: transport in plants. Hopefully, this will help you prepare for the easiest and hardest questions that can appear in your exam. 😀 If you have any further questions regarding this topic, please comment down below. Keep in mind that you should also prepare for the past paper exams available online to effectively prepare for the exam. Comment below on any other subjects you want me to cover in this regard. Q uestion 1: Explain the mechanism for the movement of water in the xylem vessels. (Difficulty: Medium ) Ans: 💬 When the water evaporates from the areas of the plants, there will be less water in the xylem vessels present   on top .   So, therefore, the top xylem vessels would create a   force  (transpiration pull)   to pull water up from the bottom xylem vessels. Due to this,...
 Biology: Transport in plants🌲 (0610) So, I am officially starting the IGCSE notes and preparation series to make it easier for you to understand the concepts. Beginning with transport in plants. It is a very intriguing topic, so do take a look at it. I will paste some topic related questions for you to solve and you can comment the answers below. I will disclose the answers at the very end of the next blog. 😊 All the Images shared in the blog are owned by me and so unauthorized use would not be tolerated. Transport in plants. Xylem and Phloem: Xylem: Hollow and has no nucleoplasm and no end walls It even has pits that prevent air bubbles. It is made up of dead cells. Lignin deposited on the cell wall for strength of the plants  Function: To transport mineral ions and water. Helps to support the petiole. Diagram above is a pictorial representation of the mineral ions Phloem: Is made up of sieve tube elements, and the sieve tube plates are porous. They have a compan...