Amazing Plant Facts (āωāĻĻā§āĻ­āĻŋāĻĻā§° āφāĻļā§āĻšā§°ā§āϝāϜāύāĻ• āϤāĻĨā§āϝ) - 4


1. Why can't plants walk ? ā§§. āωāĻĻā§āĻ­āĻŋāĻĻ⧇ āĻ–ā§‹āϜ āĻ•āĻžāĻĸāĻŧāĻŋāĻŦ āĻ¨ā§‹ā§ąāĻžā§°ā§‡ āĻ•āĻŋāϝāĻŧ ?



  • Plants make food where they grow. āωāĻĻā§āĻ­āĻŋāĻĻ⧇ āϝ'āϤ⧇āχ āĻ—āĻœā§‡, āϤāĻžāϤ⧇āχ āύāĻŋāϜ⧰ āĻ–āĻžāĻĻā§āϝ āĻĒā§ā§°āĻ¸ā§āϤ⧁āϤ āϕ⧰⧇āĨ¤

  • They do not need to search for food. āϏāĻŋāĻšāρāϤ⧇ āĻ–āĻžāĻĻā§āϝ āĻŦāĻŋāϚāĻžā§°āĻŋāĻŦāϞ⧈ āϝāĻžāĻŦ āύāĻžāϞāĻžāϗ⧇

  • Their roots fix them in the soil. āĻļāĻŋāĻĒāĻžāχ āϏāĻŋāĻšāρāϤāĻ• āĻŽāĻžāϟāĻŋāϤ āĻĻ⧃āĻĸāĻŧāĻ­āĻžā§ąā§‡ āϧ⧰āĻŋ ā§°āĻžāϖ⧇āĨ¤

  • They grow toward sunlight. āϏāĻŋāĻšāρāϤ āĻ¸ā§‚ā§°ā§āϝ⧰ āĻĒā§‹āĻšā§°ā§° āĻĢāĻžāϞ⧇ āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒāĻžāϝāĻŧāĨ¤

  • Energy is used for growth. āϏāĻŋāĻšāρāϤ⧰ āĻļāĻ•ā§āϤāĻŋ āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒāĻžāĻŦāϞ⧈ āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻšāϝāĻŧāĨ¤

  • So plants stay in one place. āϏ⧇āϝāĻŧ⧇āĻšā§‡ āωāĻĻā§āĻ­āĻŋāĻĻ⧇ āĻāϕ⧇ āĻ āĻžāχāϤ⧇ āĻĨāĻžāϕ⧇āĨ¤


2. How do some plants grow on walls ? ⧍. āĻ•āĻŋāϛ⧁āĻŽāĻžāύ āωāĻĻā§āĻ­āĻŋāĻĻ āĻĻā§‡ā§ąāĻžāϞāϤ āϕ⧇āύ⧇āĻ•ā§ˆ āĻ—āĻœā§‡ ?



  • Birds eat fruits and drop seeds. āϚ⧰āĻžāχāϝāĻŧ⧇ āĻĢāϞ āĻ–āĻžāχ āĻŦā§€āϜ āĻĒ⧇āϞāĻžāχ āĻĻāĻŋāϝāĻŧ⧇āĨ¤

  • Seeds fall into wall cracks. āĻŦā§€āϜ āĻĻā§‡ā§ąāĻžāϞ⧰ āĻĢāĻžāρāϟāϤ āĻĒ⧰⧇āĨ¤

  • If moisture is present, seeds grow. āφāĻ°ā§āĻĻā§ā§°āϤāĻž āĻĨāĻžāĻ•āĻŋāϞ⧇ āĻŦā§€āϜ āĻ…āĻ‚āϕ⧁⧰āĻŋāϤ āĻšāϝāĻŧāĨ¤

  • Roots enter small gaps. āĻļāĻŋāĻĒāĻžāĻŦā§‹ā§° āϏ⧰⧁ āϏ⧰⧁ āĻĢāĻžāρāϟāϤ āϏ⧋āĻŽāĻžāϝāĻŧāĨ¤

  • The plant slowly grows bigger. āωāĻĻā§āĻ­āĻŋāĻĻāĻŸā§‹ āϞāĻžāĻšā§‡ āϞāĻžāĻšā§‡ āĻĄāĻžāϙ⧰ āĻšāϝāĻŧāĨ¤

  • That is how wall plants grow. āĻāχāĻĻ⧰⧇āχ āĻĻā§‡ā§ąāĻžāϞāϤ āωāĻĻā§āĻ­āĻŋāĻĻ āĻ—āϜāĻŋ āωāϠ⧇āĨ¤


3. Is a mushroom a plant ? ā§Š. āϭ⧇āρāϕ⧁⧰ (Mushroom) āωāĻĻā§āĻ­āĻŋāĻĻ āύ⧇āĻ•āĻŋ ?



  • No, a mushroom is not a plant. āύāĻšāϝāĻŧ, āϭ⧇āρāϕ⧁⧰ āωāĻĻā§āĻ­āĻŋāĻĻ āύāĻšāϝāĻŧāĨ¤

  • It is a fungus. āχ āĻāϟāĻž āĻ›āĻ¤ā§ā§°āĻžāĻ• (Fungus)āĨ¤

  • It does not make its own food. āχ āύāĻŋāϜ⧰ āĻ–āĻžāĻĻā§āϝ āύāĻŋāĻœā§‡ āĻŦāύāĻžāĻŦ āĻ¨ā§‹ā§ąāĻžā§°ā§‡āĨ¤

  • It grows on dead or wet material. āχ āĻŽā§ƒāϤ āĻŦāĻž āϏ⧇āĻŽā§‡āĻ•āĻž āĻŦāĻ¸ā§āϤ⧁⧰ āĻ“āĻĒā§°āϤ āĻ—āĻœā§‡āĨ¤

  • It has no leaves or flowers. āχāϝāĻŧāĻžā§° āĻĒāĻžāϤ āĻŦāĻž āĻĢ⧁āϞ āύāĻžāĻĨāĻžāϕ⧇āĨ¤

  • So it belongs to the fungi group. āϏ⧇āϝāĻŧ⧇āĻšā§‡ āχ āĻ›āĻ¤ā§ā§°āĻžāĻ• āĻ—ā§‹āϟ⧰ āĻ…āĻ¨ā§āĻ¤ā§°ā§āĻ—āϤāĨ¤


4. What is cotton ? ā§Ē. āĻ•āĻĒāĻžāĻš āĻ•āĻŋ ?



  • Cotton comes from cotton plants. āĻ•āĻĒāĻžāĻš āĻ•āĻĒāĻžāĻš āĻ—āϛ⧰ āĻĒā§°āĻž āĻĒā§‹ā§ąāĻž āϝāĻžāϝāĻŧāĨ¤

  • It grows inside cotton bolls. āχ āĻ•āĻĒāĻžāĻšā§° āĻĢāϞ⧰ āĻ­āĻŋāϤ⧰āϤ āĻ—āĻœā§‡āĨ¤

  • Soft white fibers protect the seeds. āύāϰāĻŽ āĻŦāĻ—āĻž āφāρāĻšā§‡ āĻŦā§€āϜāĻ• āϏ⧁⧰āĻ•ā§āώāĻž āĻĻāĻŋāϝāĻŧ⧇āĨ¤

  • These fibers are collected. āĻāχ āφāρāĻšāĻŦā§‹ā§° āϏāĻ‚āĻ—ā§ā§°āĻš āϕ⧰āĻž āĻšāϝāĻŧāĨ¤

  • They are used to make cloth. āχāϝāĻŧāĻžā§°ā§‡ āĻ•āĻžāĻĒā§‹ā§° āϤ⧈āϝāĻŧāĻžā§° āϕ⧰āĻž āĻšāϝāĻŧāĨ¤

  • Cotton is a natural fiber. āĻ•āĻĒāĻžāĻš āĻāϟāĻž āĻĒā§ā§°āĻžāĻ•ā§ƒāϤāĻŋāĻ• āφāρāĻšāĨ¤


5. Is a potato a fruit or a root ? ā§Ģ. āφāϞ⧁ āĻĢāϞ āύ⧇ āĻļāĻŋāĻĒāĻž ?



  • A potato is neither a fruit nor a root. āφāϞ⧁ āĻĢāϞāĻ“ āύāĻšāϝāĻŧ, āĻļāĻŋāĻĒāĻžāĻ“ āύāĻšāϝāĻŧāĨ¤

  • It is an underground stem. āχ āĻāϟāĻž āĻŽāĻžāϟāĻŋā§° āϤāϞ⧰ āĻ•āĻžāĻŖā§āĻĄāĨ¤

  • The plant stores food inside it. āĻ—āĻ›āĻŸā§‹ā§ąā§‡ āχāϝāĻŧāĻžā§° āĻ­āĻŋāϤ⧰āϤ āĻ–āĻžāĻĻā§āϝ āϏāĻžā§āϚāϝāĻŧ āϕ⧰⧇āĨ¤

  • That is why it becomes thick and round. āϏ⧇āϝāĻŧ⧇āĻšā§‡ āχ āĻŽā§‹āϟāĻž āφ⧰⧁ āĻ˜ā§‚ā§°āĻŖā§€āϝāĻŧāĻž āĻšāϝāĻŧāĨ¤

  • The small "eyes" on a potato can grow into new plants. āφāϞ⧁⧰ āϏ⧰⧁ "āϚāϕ⧁"āĻŦā§‹ā§°ā§° āĻĒā§°āĻž āύāϤ⧁āύ āĻ—āĻ› āĻ—āϜāĻŋāĻŦ āĻĒāĻžā§°ā§‡āĨ¤

  • So it is a modified stem. āϏ⧇āϝāĻŧ⧇āĻšā§‡ āφāϞ⧁ āĻāϟāĻž āĻĒā§°āĻŋā§ąā§°ā§āϤāĻŋāϤ āĻ•āĻžāĻŖā§āĻĄāĨ¤


6. Why is tulsi (holy basil) considered sacred ? ā§Ŧ. āϤ⧁āϞāϏ⧀āĻ• āĻĒāĻŦāĻŋāĻ¤ā§ā§° āĻŦ⧁āϞāĻŋ āĻ•āĻŋāϝāĻŧ āĻ—āĻŖā§āϝ āϕ⧰āĻž āĻšāϝāĻŧ ?



  • Tulsi is a medicinal plant. āϤ⧁āϞāϏ⧀ āĻāϟāĻž āĻ”āώāϧāĻŋ āωāĻĻā§āĻ­āĻŋāĻĻāĨ¤

  • It gives oxygen and purifies the air. āχ āĻ…āĻ•ā§āϏāĻŋāĻœā§‡āύ āĻĻāĻŋāϝāĻŧ⧇ āφ⧰⧁ āĻŦāĻžāϝāĻŧ⧁ āĻŦāĻŋāĻļ⧁āĻĻā§āϧ āϕ⧰⧇āĨ¤

  • Its leaves help in cold and cough. āχāϝāĻŧāĻžā§° āĻĒāĻžāϤ⧇ āĻšā§°ā§āĻĻāĻŋ-āĻ•āĻžāĻļāĻŋāϤ āωāĻĒāĻ•āĻžā§° āϕ⧰⧇āĨ¤

  • It has many health benefits. āχāϝāĻŧāĻžā§° āĻŦāĻšā§ āĻ¸ā§āĻŦāĻžāĻ¸ā§āĻĨā§āϝ āωāĻĒāĻ•āĻžā§°āĻŋāϤāĻž āφāϛ⧇āĨ¤

  • People respect it for its healing power. āχāϝāĻŧāĻžā§° āĻ”āώāϧāĻŋ āϗ⧁āĻŖā§° āĻŦāĻžāĻŦ⧇ āĻŽāĻžāύ⧁āĻšā§‡ āχāϝāĻŧāĻžāĻ• āϏāĻ¨ā§āĻŽāĻžāύ āϕ⧰⧇āĨ¤

  • So it is considered sacred in many homes. āϏ⧇āϝāĻŧ⧇āĻšā§‡ āĻŦāĻšā§ āϘ⧰āϤ āϤ⧁āϞāϏ⧀āĻ• āĻĒāĻŦāĻŋāĻ¤ā§ā§° āĻŦ⧁āϞāĻŋ āĻ—āĻŖā§āϝ āϕ⧰āĻž āĻšāϝāĻŧāĨ¤


7. Why do climbers need support ? ā§­. āϞāϤāĻž āĻ—āĻ›āĻ• āϏāĻšāĻžāϝāĻŧā§° āĻĒā§ā§°āϝāĻŧā§‹āϜāύ āĻ•āĻŋāϝāĻŧ āĻšāϝāĻŧ ?



  • Climbers have weak and thin stems. āϞāϤāĻž āĻ—āϛ⧰ āĻ•āĻžāĻŖā§āĻĄ āĻĒāĻžāϤāϞ āφ⧰⧁ āĻĻā§ā§°ā§āĻŦāϞ āĻšāϝāĻŧāĨ¤

  • They cannot stand straight by themselves. āϏāĻŋāĻšāρāϤ⧇ āύāĻŋāĻœā§‡ āύāĻŋāĻœā§‡ āĻĨāĻŋāϝāĻŧ āĻš'āĻŦ āĻ¨ā§‹ā§ąāĻžā§°ā§‡āĨ¤

  • They grow upward to reach sunlight. āĻ¸ā§‚ā§°ā§āϝ⧰ āĻĒā§‹āĻšā§° āĻĒāĻžāĻŦāϞ⧈ āĻ“āĻĒā§°āϞ⧈ āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒāĻžāϝāĻŧāĨ¤

  • So they hold onto walls or other plants. āϏ⧇āϝāĻŧ⧇āĻšā§‡ āĻĻā§‡ā§ąāĻžāϞ āĻŦāĻž āφāύ āĻ—āĻ› āϧ⧰āĻŋ āωāϠ⧇āĨ¤

  • Support helps them grow properly. āϏāĻšāĻžāϝāĻŧ⧇ āϏāĻŋāĻšāρāϤāĻ• āϏāĻ āĻŋāĻ•āĻ­āĻžā§ąā§‡ āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒāĻžāĻŦāϞ⧈ āϏāĻšāĻžāϝāĻŧ āϕ⧰⧇āĨ¤

  • Examples are grapevine and money plant. āωāĻĻāĻžāĻšā§°āĻŖ: āφāϙ⧁⧰ āϞāϤāĻž āφ⧰⧁ āĻŽāĻžāύāĻŋ āĻĒā§āϞāĻžāĻŖā§āϟāĨ¤


8. Why are some plants poisonous ? ā§Ž. āĻ•āĻŋāϛ⧁āĻŽāĻžāύ āωāĻĻā§āĻ­āĻŋāĻĻ āĻŦāĻŋāώāĻžāĻ•ā§āϤ āĻ•āĻŋāϝāĻŧ āĻšāϝāĻŧ ?



  • Some plants produce harmful chemicals. āĻ•āĻŋāϛ⧁āĻŽāĻžāύ āωāĻĻā§āĻ­āĻŋāĻĻ⧇ āĻ•ā§āώāϤāĻŋāĻ•āĻžā§°āĻ• ā§°āĻžāϏāĻžāϝāĻŧāύāĻŋāĻ• āĻĒāĻĻāĻžā§°ā§āĻĨ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āϕ⧰⧇āĨ¤

  • This protects them from animals. āχ āϏāĻŋāĻšāρāϤāĻ• āϜāĻ¨ā§āϤ⧁⧰ āĻĒā§°āĻž āϏ⧁⧰āĻ•ā§āώāĻž āĻĻāĻŋāϝāĻŧ⧇āĨ¤

  • Animals avoid eating such plants. āϜāĻ¨ā§āĻ¤ā§ā§ąā§‡ āĻāύ⧇ āωāĻĻā§āĻ­āĻŋāĻĻ āĻ–āĻžāĻŦāϞ⧈ āĻā§°āĻžāχ āϚāϞ⧇āĨ¤

  • Poison acts as a defense system. āĻŦāĻŋāώ āφāĻ¤ā§āĻŽā§°āĻ•ā§āώāĻžā§° āĻŦā§āĻ¯ā§ąāĻ¸ā§āĻĨāĻž āĻšāĻŋāϚāĻžāĻĒ⧇ āĻ•āĻžāĻŽ āϕ⧰⧇āĨ¤

  • It helps the plant survive. āχ āωāĻĻā§āĻ­āĻŋāĻĻāĻ• āĻœā§€āϝāĻŧāĻžāχ āĻĨāĻžāĻ•āĻŋāĻŦāϞ⧈ āϏāĻšāĻžāϝāĻŧ āϕ⧰⧇āĨ¤

  • Nature gives plants this protection. āĻĒā§ā§°āĻ•ā§ƒāϤāĻŋāϝāĻŧ⧇ āωāĻĻā§āĻ­āĻŋāĻĻāĻ• āĻāχ āϏ⧁⧰āĻ•ā§āώāĻž āĻĻāĻŋāϛ⧇āĨ¤


9. What gives flowers their color ? ⧝. āĻĢ⧁āϞ⧰ ā§°āĻ‚ āĻ•āĻŋāĻšā§‡ āĻĻāĻŋāϝāĻŧ⧇ ? 



  • Flowers contain natural pigments. āĻĢ⧁āϞāϤ āĻĒā§ā§°āĻžāĻ•ā§ƒāϤāĻŋāĻ• ā§°āĻžā§āϜāĻ• āĻĒāĻĻāĻžā§°ā§āĻĨ āĻĨāĻžāϕ⧇āĨ¤

  • These pigments give red, yellow, or purple colors. āĻāχ ā§°āĻžā§āϜāĻ• āĻĒāĻĻāĻžā§°ā§āĻĨāχ ā§°āĻ™āĻž, āĻšāĻžāϞāϧ⧀āϝāĻŧāĻž āĻŦāĻž āĻŦ⧇āϙ⧁āύ⧀āϝāĻŧāĻž ā§°āĻ‚ āĻĻāĻŋāϝāĻŧ⧇āĨ¤

  • Color helps attract insects. ā§°āϙ⧇ āĻĒā§‹āĻ•-āĻĒāϤāĻ‚āĻ— āφāĻ•ā§°ā§āώāĻŖ āϕ⧰⧇āĨ¤

  • Insects help in pollination. āĻĒā§‹āĻ•-āĻĒāϤāĻ‚āϗ⧇ āĻĒā§°āĻžāĻ—āϏāĻ‚āϝ⧋āĻ—āϤ āϏāĻšāĻžāϝāĻŧ āϕ⧰⧇āĨ¤

  • Different chemicals create different colors. āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ ā§°āĻžāϏāĻžāϝāĻŧāύāĻŋāĻ• āĻĒāĻĻāĻžā§°ā§āĻĨāχ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ ā§°āĻ‚ āϏ⧃āĻˇā§āϟāĻŋ āϕ⧰⧇āĨ¤

  • That is why flowers look beautiful. āϏ⧇āχāĻŦāĻžāĻŦ⧇āχ āĻĢ⧁āϞāĻŦā§‹ā§° āϧ⧁āύ⧀āϝāĻŧāĻž āĻĻ⧇āĻ–āĻž āϝāĻžāϝāĻŧāĨ¤


10. Why does a cut apple turn brown ? ā§§ā§Ļ. āĻ•āϟāĻž āφāĻĒ⧇āϞ āĻŦāĻžāĻĻāĻžāĻŽā§€ āĻ•āĻŋāϝāĻŧ āĻšāϝāĻŧ ?



  • Apples contain iron and enzymes. āφāĻĒ⧇āϞāϤ āϞ⧌āĻš (Iron) āφ⧰⧁ āĻāύāϜāĻžāχāĻŽ āĻĨāĻžāϕ⧇āĨ¤

  • When cut, they react with oxygen in the air. āĻ•āϟāĻžā§° āĻĒāĻŋāĻ›āϤ āĻŦāĻžāϝāĻŧ⧁⧰ āĻ…āĻ•ā§āϏāĻŋāĻœā§‡āύ⧰ āϏ⧈āϤ⧇ āĻŦāĻŋāĻ•ā§ā§°āĻŋāϝāĻŧāĻž āϕ⧰⧇āĨ¤

  • This reaction changes the color. āĻāχ āĻŦāĻŋāĻ•ā§ā§°āĻŋāϝāĻŧāĻžā§° āĻĢāϞāϤ ā§°āĻ‚ āϏāϞāύāĻŋ āĻšāϝāĻŧāĨ¤

  • It is called oxidation. āĻāχ āĻĒā§ā§°āĻ•ā§ā§°āĻŋāϝāĻŧāĻžāĻ• āĻ…āĻ•ā§āϏāĻŋāĻĄā§‡āϚāύ (Oxidation) āĻŦā§‹āϞāĻž āĻšāϝāĻŧāĨ¤

  • That is why the surface turns brown. āϏ⧇āχāĻŦāĻžāĻŦ⧇āχ āφāĻĒ⧇āϞ⧰ āĻ“āĻĒā§°āĻ­āĻžāĻ— āĻŦāĻžāĻĻāĻžāĻŽā§€ āĻšāϝāĻŧāĨ¤

  • Lemon juice can slow this process. āύ⧇āĻŽā§ā§° ā§°āϏ⧇ āĻāχ āĻĒā§ā§°āĻ•ā§ā§°āĻŋāϝāĻŧāĻž āϧ⧀⧰ āϕ⧰āĻŋāĻŦ āĻĒāĻžā§°ā§‡āĨ¤


11. Is bamboo a tree or a grass ? ā§§ā§§. āĻŦāĻžāρāĻš āĻ—āĻ› āύ⧇ āϘāĻžāρāĻš ?



  • Bamboo looks like a tree. āĻŦāĻžāρāĻš āĻ—āϛ⧰ āĻĻ⧰⧇ āĻĻ⧇āĻ–āĻž āϝāĻžāϝāĻŧāĨ¤

  • But scientifically, it is grass. āĻ•āĻŋāĻ¨ā§āϤ⧁ āĻŦ⧈āĻœā§āĻžāĻžāύāĻŋāĻ•āĻ­āĻžā§ąā§‡ āχ āϘāĻžāρāĻšāĨ¤

  • It grows very tall and fast. āχ āĻŦāĻšā§āϤ āĻ“āĻ– āφ⧰⧁ āĻĻā§ā§°ā§āϤāĻ—āϤāĻŋāϤ āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒāĻžāϝāĻŧāĨ¤

  • Its stem is strong and hollow. āχāϝāĻŧāĻžā§° āĻ•āĻžāĻŖā§āĻĄ āĻŽāϜāĻŦ⧁āϤ āφ⧰⧁ āĻ­āĻŋāϤ⧰āϤ āĻ–āĻžāϞ⧀āĨ¤

  • It belongs to the grass family. āχ āϘāĻžāρāĻš āĻĒā§°āĻŋāϝāĻŧāĻžāϞ⧰ āĻ…āĻ¨ā§āĻ¤ā§°ā§āĻ—āϤāĨ¤

  • It is one of the fastest-growing plants. āχ āĻĒ⧃āĻĨāĻŋā§ąā§€ā§° āφāϟāĻžāχāϤāĻ•ā§ˆ āĻĻā§ā§°ā§āϤ āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒā§‹ā§ąāĻž āωāĻĻā§āĻ­āĻŋāĻĻā§° āĻ­āĻŋāϤ⧰āϤ āĻāϟāĻžāĨ¤


12. Why do plants give oxygen ? ⧧⧍. āωāĻĻā§āĻ­āĻŋāĻĻ⧇ āĻ…āĻ•ā§āϏāĻŋāĻœā§‡āύ āĻ•āĻŋāϝāĻŧ āĻĻāĻŋāϝāĻŧ⧇ ?



  • Plants make food using carbon dioxide. āωāĻĻā§āĻ­āĻŋāĻĻ⧇ āĻ•āĻžā§°ā§āĻŦāύ āĻĄāĻžāχāĻ…āĻ•ā§āϏāĻžāχāĻĄ āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āϕ⧰āĻŋ āĻ–āĻžāĻĻā§āϝ āĻĒā§ā§°āĻ¸ā§āϤ⧁āϤ āϕ⧰⧇āĨ¤

  • During photosynthesis, oxygen is released. āϏāĻžāϞ⧋āĻ•-āϏāĻ‚āĻļā§āϞ⧇āώāĻŖā§° āϏāĻŽāϝāĻŧāϤ āĻ…āĻ•ā§āϏāĻŋāĻœā§‡āύ āĻā§°āĻŋ āĻĻāĻŋāϝāĻŧ⧇āĨ¤

  • Oxygen is a waste product for plants. āĻ…āĻ•ā§āϏāĻŋāĻœā§‡āύ āωāĻĻā§āĻ­āĻŋāĻĻā§° āĻŦāĻžāĻŦ⧇ āĻ…āĻĒā§ā§°āϝāĻŧā§‹āϜāύ⧀āϝāĻŧ āĻĒāĻĻāĻžā§°ā§āĻĨāĨ¤

  • But humans and animals need oxygen. āĻ•āĻŋāĻ¨ā§āϤ⧁ āĻŽāĻžāύ⧁āĻš āφ⧰⧁ āϜāĻ¨ā§āϤ⧁⧰ āĻ…āĻ•ā§āϏāĻŋāĻœā§‡āύ⧰ āĻĒā§ā§°āϝāĻŧā§‹āϜāύāĨ¤

  • We breathe in oxygen to live. āφāĻŽāĻŋ āĻœā§€āϝāĻŧāĻžāχ āĻĨāĻžāĻ•āĻŋāĻŦāϞ⧈ āĻ…āĻ•ā§āϏāĻŋāĻœā§‡āύ āĻļā§āĻŦāĻžāϏ āϞāĻ“āρāĨ¤

  • So plants help us survive. āϏ⧇āϝāĻŧ⧇āĻšā§‡ āωāĻĻā§āĻ­āĻŋāĻĻ⧇ āφāĻŽāĻžāĻ• āĻœā§€āϝāĻŧāĻžāχ āĻĨāĻžāĻ•āĻŋāĻŦāϞ⧈ āϏāĻšāĻžāϝāĻŧ āϕ⧰⧇āĨ¤


13. Why don't bananas have seeds ? ā§§ā§Š. āĻ•āϞāϤ āĻŦā§€āϜ āĻ•āĻŋāϝāĻŧ āύāĻžāĻĨāĻžāϕ⧇ ?



  • Wild bananas have seeds. āϜāĻ‚āϘāϞ⧀ āĻ•āϞāϤ āĻŦā§€āϜ āĻĨāĻžāϕ⧇āĨ¤

  • But the bananas we eat are developed by farmers. āĻ•āĻŋāĻ¨ā§āϤ⧁ āφāĻŽāĻŋ āĻ–ā§‹ā§ąāĻž āĻ•āϞ āĻ•ā§ƒāώāϕ⧇ āωāĻ¨ā§āύāϤ āϕ⧰āĻŋ āĻ‰ā§ŽāĻĒāĻžāĻĻāύ āϕ⧰āĻŋāϛ⧇āĨ¤

  • They are grown without hard seeds. āĻāχ āĻ•āϞāĻŦā§‹ā§° āĻ•āĻ āĻŋāύ āĻŦā§€āϜ āύāĻĨāĻ•āĻžāĻ•ā§ˆ āĻ‰ā§ŽāĻĒāĻžāĻĻāύ āϕ⧰āĻž āĻšāϝāĻŧāĨ¤

  • This makes them easy to eat. āχāϝāĻŧāĻžā§° āĻĢāϞāϤ āϏāĻšāĻœā§‡ āĻ–āĻžāĻŦ āĻĒāĻžā§°āĻŋāĨ¤

  • They grow from plant cuttings. āĻāχāĻŦā§‹ā§° āĻ—āϛ⧰ āĻ…āĻ‚āĻļā§° āĻĒā§°āĻž āĻŦ⧃āĻĻā§āϧāĻŋ āϕ⧰āĻž āĻšāϝāĻŧāĨ¤

  • So we don't see seeds inside. āϏ⧇āϝāĻŧ⧇āĻšā§‡ āφāĻŽāĻŋ āĻ•āϞ⧰ āĻ­āĻŋāϤ⧰āϤ āĻŦā§€āϜ āύ⧇āĻĻ⧇āĻ–ā§‹āρāĨ¤


14. Why do some plants have a strong smell ? ā§§ā§Ē. āĻ•āĻŋāϛ⧁āĻŽāĻžāύ āωāĻĻā§āĻ­āĻŋāĻĻā§° āϤ⧀āĻŦā§ā§° āĻ—ā§‹āĻ¨ā§āϧ āĻ•āĻŋāϝāĻŧ āĻĨāĻžāϕ⧇?



  • Some plants contain special oils. āĻ•āĻŋāϛ⧁āĻŽāĻžāύ āωāĻĻā§āĻ­āĻŋāĻĻāϤ āĻŦāĻŋāĻļ⧇āώ āϤ⧇āϞ āĻĨāĻžāϕ⧇āĨ¤

  • When leaves are crushed, the smell comes out. āĻĒāĻžāϤ āĻŽā§‹āĻšāĻžā§°āĻŋāϞ⧇ āĻ—ā§‹āĻ¨ā§āϧ āĻ“āϞāĻžāχ āφāĻšā§‡āĨ¤

  • This smell protects the plant from insects. āĻāχ āĻ—ā§‹āĻ¨ā§āϧ⧇ āωāĻĻā§āĻ­āĻŋāĻĻāĻ• āĻĒā§‹āĻ•-āĻĒāϤāĻ‚āĻ—ā§° āĻĒā§°āĻž ā§°āĻ•ā§āώāĻž āϕ⧰⧇āĨ¤

  • It may also attract helpful insects. āχ āωāĻĒāĻ•āĻžā§°ā§€ āĻĒā§‹āĻ•-āĻĒāϤāĻ‚āĻ—āϕ⧋ āφāĻ•ā§°ā§āώāĻŖ āϕ⧰āĻŋāĻŦ āĻĒāĻžā§°ā§‡āĨ¤

  • Eucalyptus and mint are examples. āχāωāϕ⧇āϞāĻŋāĻĒā§āϟāĻžāĻ› āφ⧰⧁ āĻĒāĻĻāĻŋāύāĻž āχāϝāĻŧāĻžā§° āωāĻĻāĻžāĻšā§°āĻŖāĨ¤

  • The smell comes from natural chemicals. āĻāχ āĻ—ā§‹āĻ¨ā§āϧ āĻĒā§ā§°āĻžāĻ•ā§ƒāϤāĻŋāĻ• ā§°āĻžāϏāĻžāϝāĻŧāύāĻŋāĻ• āĻĒāĻĻāĻžā§°ā§āĻĨā§° āĻĒā§°āĻž āφāĻšā§‡āĨ¤


15. Why does an onion grow underground ? ā§§ā§Ģ. āĻĒāĻŋāϝāĻŧāĻžāρāϜ āĻŽāĻžāϟāĻŋā§° āϤāϞāϤ āĻ•āĻŋāϝāĻŧ āĻ—āĻœā§‡?



  • Onion is a modified stem. āĻĒāĻŋāϝāĻŧāĻžāρāϜ āĻāϟāĻž āĻĒā§°āĻŋā§ąā§°ā§āϤāĻŋāϤ āĻ•āĻžāĻŖā§āĻĄāĨ¤

  • It stores food inside layers. āχ āύāĻŋāϜ⧰ āĻ¸ā§āϤ⧰āĻŦā§‹ā§°ā§° āĻ­āĻŋāϤ⧰āϤ āĻ–āĻžāĻĻā§āϝ āϏāĻžā§āϚāϝāĻŧ āϕ⧰⧇āĨ¤

  • Growing underground protects it. āĻŽāĻžāϟāĻŋā§° āϤāϞāϤ āĻ—āϜāĻžā§° āĻĢāϞāϤ āχ āϏ⧁⧰āĻ•ā§āώāĻŋāϤ āĻĨāĻžāϕ⧇āĨ¤

  • It is safe from heat and cold. āχ āĻ—ā§°āĻŽ āφ⧰⧁ āĻ āĻžāĻŖā§āĻĄāĻžā§° āĻĒā§°āĻž ā§°āĻ•ā§āώāĻž āĻĒāĻžāϝāĻŧāĨ¤

  • Its green leaves grow above the soil. āχāϝāĻŧāĻžā§° āϏ⧇āωāĻœā§€āϝāĻŧāĻž āĻĒāĻžāϤāĻŦā§‹ā§° āĻŽāĻžāϟāĻŋā§° āĻ“āĻĒā§°āϤ āĻ—āĻœā§‡āĨ¤

  • This helps it survive. āχāϝāĻŧāĻžā§° āĻĢāϞāϤ āχ āĻœā§€āϝāĻŧāĻžāχ āĻĨāĻžāĻ•āĻŋāĻŦ āĻĒāĻžā§°ā§‡āĨ¤


16. Why are some fruits sour ? ā§§ā§Ŧ. āĻ•āĻŋāϛ⧁āĻŽāĻžāύ āĻĢāϞ āĻŸā§‡āĻ™āĻž āĻ•āĻŋāϝāĻŧ āĻšāϝāĻŧ ?



  • Sour fruits contain natural acids. āĻŸā§‡āĻ™āĻž āĻĢāϞāϤ āĻĒā§ā§°āĻžāĻ•ā§ƒāϤāĻŋāĻ• āĻāϚāĻŋāĻĄ āĻĨāĻžāϕ⧇āĨ¤

  • Citric acid is common in lemons. āύ⧇āĻŽā§āϤ āĻ›āĻžāχāĻŸā§ā§°āĻŋāĻ• āĻāϚāĻŋāĻĄ (Citric Acid) āĻĨāĻžāϕ⧇āĨ¤

  • These acids give a sour taste. āĻāχ āĻāϚāĻŋāĻĄā§‡ āĻŸā§‡āĻ™āĻž āĻ¸ā§‹ā§ąāĻžāĻĻ āĻĻāĻŋāϝāĻŧ⧇āĨ¤

  • Unripe fruits are usually more sour. āϕ⧇āρāϚāĻž āĻĢāϞ āϏāĻžāϧāĻžā§°āĻŖāϤ⧇ āĻŦ⧇āĻ›āĻŋ āĻŸā§‡āĻ™āĻž āĻšāϝāĻŧāĨ¤

  • As fruits ripen, acids reduce. āĻĢāϞ āĻĒāĻ•āĻŋāϞ⧇ āĻāϚāĻŋāĻĄā§° āĻĒā§°āĻŋāĻŽāĻžāĻŖ āĻ•āĻŽā§‡āĨ¤

  • That is why the taste changes. āϏ⧇āχāĻŦāĻžāĻŦ⧇āχ āĻĢāϞ⧰ āĻ¸ā§‹ā§ąāĻžāĻĻ āϏāϞāύāĻŋ āĻšāϝāĻŧāĨ¤


17. Why do grapes grow in bunches ? ā§§ā§­. āφāϙ⧁⧰ āĻĨ⧁āĻĒ āĻ–āĻžāχ āĻ•āĻŋāϝāĻŧ āĻ—āĻœā§‡ ?



  • Grapes grow on delicate vines. āφāϙ⧁⧰ āϕ⧋āĻŽāϞ āϞāϤāĻžāϤ āĻ—āĻœā§‡āĨ¤

  • Many flowers grow together. āĻŦāĻšā§ āĻĢ⧁āϞ āĻāϕ⧇āϞāϗ⧇ āĻ—āĻœā§‡āĨ¤

  • Each flower becomes a grape. āĻĒā§ā§°āϤāĻŋāĻŸā§‹ āĻĢ⧁āϞ⧇āχ āĻāϟāĻž āφāϙ⧁⧰āϞ⧈ āĻĒā§°āĻŋāĻŖāϤ āĻšāϝāĻŧāĨ¤

  • So they form a bunch. āϏ⧇āϝāĻŧ⧇āĻšā§‡ āφāϙ⧁⧰ āĻĨ⧁āĻĒ āĻ–āĻžāχ āĻ—āĻœā§‡āĨ¤

  • Growing together protects them. āĻāϕ⧇āϞāϗ⧇ āĻ—āϜāĻžā§° āĻĢāϞāϤ āϏ⧁⧰āĻ•ā§āώāĻž āĻĒāĻžāϝāĻŧāĨ¤

  • It also helps easy harvesting. āχ āϏāĻšāĻœā§‡ āϏāĻ‚āĻ—ā§ā§°āĻš āϕ⧰āĻžāϤ⧋ āϏāĻšāĻžāϝāĻŧ āϕ⧰⧇āĨ¤


18. Why do peepal leaves keep fluttering ? ā§§ā§Ž. āĻ…āĻļā§āĻŦāĻ¤ā§āĻĨ āĻ—āϛ⧰ āĻĒāĻžāϤ āϏāĻĻāĻžāϝāĻŧ āĻ•āρāĻĒāĻŋ āĻĨāĻžāϕ⧇ āĻ•āĻŋāϝāĻŧ ?



  • Peepal leaves have long, thin stems. āĻ…āĻļā§āĻŦāĻ¤ā§āĻĨā§° āĻĒāĻžāϤ⧰ āĻĄāĻžāρāϟāĻŋ āĻĻā§€āϘāϞ āφ⧰⧁ āĻĒāĻžāϤāϞāĨ¤

  • They move easily in the wind. āĻŦāϤāĻžāĻšāϤ āϏāĻšāĻœā§‡ āϞ⧰āĻŋ āωāϠ⧇āĨ¤

  • Even a light breeze makes them shake. āϏāĻžāĻŽāĻžāĻ¨ā§āϝ āĻŦāϤāĻžāĻšā§‡āĻ“ āĻĒāĻžāϤ āĻ•āρāĻĒāĻžāϝāĻŧāĨ¤

  • The leaf shape also helps movement. āĻĒāĻžāϤ⧰ āφāĻ•ā§ƒāϤāĻŋāϝāĻŧ⧇āĻ“ āĻ•āρāĻĒāĻžāϤ āϏāĻšāĻžāϝāĻŧ āϕ⧰⧇āĨ¤

  • That is why they make a rustling sound. āϏ⧇āχāĻŦāĻžāĻŦ⧇āχ āĻĒāĻžāϤ⧇ āϏ⧰āϏ⧰⧀āϝāĻŧāĻž āĻļāĻŦā§āĻĻ āϕ⧰⧇āĨ¤

  • This is a natural leaf design. āĻāχāĻŸā§‹ āĻĒāĻžāϤ⧰ āĻāĻ• āĻĒā§ā§°āĻžāĻ•ā§ƒāϤāĻŋāĻ• āĻ—āĻ āύāĨ¤