What If All Water Disappeared from Earth ? āϝāĻĻāĻŋ āĻĒ⧃āĻĨāĻŋā§ąā§€ā§° āϏāĻ•āϞ⧋ āĻĒāĻžāύ⧀ āύāĻžāχ āĻšā§ˆ āϝāĻžāϝāĻŧ āϤ⧇āĻ¨ā§āϤ⧇ āĻ•āĻŋ āĻšâ€™āĻŦ?


1. Dry Earth (āĻļ⧁āĻ•āĻžāύ āĻĒ⧃āĻĨāĻŋā§ąā§€)



  • Earth would become completely dry : āĻĒ⧃āĻĨāĻŋā§ąā§€ āϏāĻŽā§āĻĒā§‚ā§°ā§āĻŖ āĻļ⧁āĻ•āĻžāύ āĻšā§ˆ āĻĒā§°āĻŋāĻŦ

  • No water anywhere on the planet : āĻĒ⧃āĻĨāĻŋā§ąā§€āϤ āĻ•’āϤ⧋ āĻĒāĻžāύ⧀ āύāĻžāĻĨāĻžāĻ•āĻŋāĻŦ


2. Empty Rivers & Lakes (āύāĻĻā§€ āφ⧰⧁ āĻšā§ā§°āĻĻ āĻļ⧁āĻ•āĻžāχ āϝāĻžāĻŦ)



  • Rivers, lakes, and oceans would disappear : āύāĻĻā§€, āĻšā§ā§°āĻĻ āφ⧰⧁ āϏāĻžāĻ—ā§° āύāĻžāχ āĻšā§ˆ āϝāĻžāĻŦ

  • No water cycle (no evaporation, no rain) : āĻĒāĻžāύ⧀ āϚāĻ•ā§ā§° āĻŦāĻ¨ā§āϧ āĻšā§ˆ āϝāĻžāĻŦ (āĻŦā§°āώ⧁āĻŖ āύāĻžāĻĨāĻžāĻ•āĻŋāĻŦ)


3. Plants & Animals Affected (āĻœā§€ā§ąāϜāĻ¨ā§āϤ⧁ āĻ•ā§āώāϤāĻŋāĻ—ā§ā§°āĻ¸ā§āϤ)



  • All living things need water : āϏāĻ•āϞ⧋ āĻœā§€ā§ąā§° āĻŦāĻžāĻŦ⧇ āĻĒāĻžāύ⧀ āĻĒā§ā§°āϝāĻŧā§‹āϜāύ

  • Plants, animals, and humans cannot survive : āĻ—āĻ›-āĻ—āĻ›āύāĻŋ, āϜāĻ¨ā§āϤ⧁ āφ⧰⧁ āĻŽāĻžāύ⧁āĻš āĻŦāĻžāϚāĻŋ āĻĨāĻžāĻ•āĻŋāĻŦ āĻ¨ā§‹ā§ąāĻžā§°āĻŋāĻŦ


4. Atmosphere Changes (āĻŦāĻžāϝāĻŧ⧁āĻŽāĻŖā§āĻĄāϞ āϏāϞāύāĻŋ āĻš’āĻŦ)



  • No clouds will form : āĻŽā§‡āϘ āϏ⧃āĻˇā§āϟāĻŋ āύāĻš’āĻŦ

  • Temperature will increase (more heat) : āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻž āĻŦāĻžāĻĸāĻŧāĻŋāĻŦ (āĻ…āϧāĻŋāĻ• āĻ—ā§°āĻŽ āĻš’āĻŦ)


Summary


If all water disappeared : āϝāĻĻāĻŋ āϏāĻ•āϞ⧋ āĻĒāĻžāύ⧀ āύāĻžāχ āĻšā§ˆ āϝāĻžāϝāĻŧ -



  • Earth becomes dry : āĻĒ⧃āĻĨāĻŋā§ąā§€ āĻļ⧁āĻ•āĻžāύ āĻšā§ˆ āĻĒ⧰⧇

  • No rivers or oceans : āύāĻĻā§€ āφ⧰⧁ āϏāĻžāĻ—ā§° āύāĻžāχ āĻšāϝāĻŧ

  • Life cannot survive : āĻœā§€ā§ąāύ āϏāĻŽā§āĻ­ā§ą āύāĻšāϝāĻŧ

  • Climate becomes extreme : āĻŦāϤ⧰ āĻ…āϤāĻŋāĻļāϝāĻŧ āĻšā§ˆ āĻĒ⧰⧇


Exam Tip: Write 4 points + short conclusion = Full marks


MCQs : Exam Style


Q1. What would happen if all water disappeared from Earth ? āϝāĻĻāĻŋ āĻĒ⧃āĻĨāĻŋā§ąā§€ā§° āϏāĻ•āϞ⧋ āĻĒāĻžāύ⧀ āύāĻžāχ āĻšā§ˆ āϝāĻžāϝāĻŧ āϤ⧇āĻ¨ā§āϤ⧇ āĻ•āĻŋ āĻš’āĻŦ ?


(a) Earth becomes green | (b) Earth becomes dry | (c) More rain | (d) Oceans increase
Ans: (b) Earth becomes dry
Explanation: Without water, Earth becomes completely dry. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āĻĒāĻžāύ⧀ āύāĻžāĻĨāĻžāĻ•āĻŋāϞ⧇ āĻĒ⧃āĻĨāĻŋā§ąā§€ āϏāĻŽā§āĻĒā§‚ā§°ā§āĻŖ āĻļ⧁āĻ•āĻžāύ āĻšā§ˆ āĻĒ⧰⧇āĨ¤


Q2. What will happen to rivers and lakes ? āύāĻĻā§€ āφ⧰⧁ āĻšā§ā§°āĻĻā§° āĻ•āĻŋ āĻš’āĻŦ ?


(a) Increase | (b) Stay same | (c) Disappear | (d) Overflow
Ans: (c) Disappear
Explanation: Rivers and lakes depend on water. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āύāĻĻā§€ āφ⧰⧁ āĻšā§ā§°āĻĻ āĻĒāĻžāύ⧀⧰ āĻ“āĻĒā§°āϤ āύāĻŋā§°ā§āĻ­ā§° āϕ⧰⧇āĨ¤


Q3. Why can life not survive without water ? āĻĒāĻžāύ⧀ āύāĻžāĻĨāĻžāĻ•āĻŋāϞ⧇ āĻœā§€ā§ąāύ āĻ•āĻŋāϝāĻŧ āϏāĻŽā§āĻ­ā§ą āύāĻšāϝāĻŧ ?


(a) No oxygen | (b) No sunlight | (c) Water is essential for life | (d) No soil
Ans: (c) Water is essential for life
Explanation: All living organisms need water. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āϏāĻ•āϞ⧋ āĻœā§€ā§ąā§° āĻŦāĻžāĻŦ⧇ āĻĒāĻžāύ⧀ āĻ…āĻ¤ā§āϝāĻžā§ąāĻļā§āϝāĻ•āĨ¤


Q4. What happens to the water cycle ? āĻĒāĻžāύ⧀ āϚāĻ•ā§ā§°ā§° āĻ•āĻŋ āĻš’āĻŦ ?


(a) Increases | (b) Stops completely | (c) Doubles | (d) Improves
Ans: (b) Stops completely
Explanation: No water → no evaporation → no rainfall. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āĻĒāĻžāύ⧀ āύāĻžāĻĨāĻžāĻ•āĻŋāϞ⧇ āĻŦāĻžāĻˇā§āĻĒā§€āĻ­ā§ąāύ āφ⧰⧁ āĻŦā§°āώ⧁āĻŖ āύāĻžāĻĨāĻžāϕ⧇āĨ¤


Q5. Without water, the atmosphere will: āĻĒāĻžāύ⧀ āύāĻžāĻĨāĻžāĻ•āĻŋāϞ⧇ āĻŦāĻžāϝāĻŧ⧁āĻŽāĻŖā§āĻĄāϞ -


(a) Cool down | (b) Stay same | (c) Become hotter | (d) Freeze
Ans: (c) Become hotter
Explanation: Water helps control temperature. āĻŦā§āϝāĻžāĻ–ā§āϝāĻž: āĻĒāĻžāύ⧀āϝāĻŧ⧇ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻž āύāĻŋāϝāĻŧāĻ¨ā§āĻ¤ā§ā§°āĻŖ āϕ⧰⧇āĨ¤


Short Note :Class 9 Answer


What If All Water Disappeared from Earth ?


If all water disappeared from Earth, the planet would become completely dry. Rivers, lakes, and oceans would vanish, and the water cycle would stop. Since all living organisms depend on water, plants, animals, and humans would not survive. The atmosphere would change, with no clouds and rising temperatures, making the climate extreme. Thus, life on Earth would become impossible.


āϝāĻĻāĻŋ āĻĒ⧃āĻĨāĻŋā§ąā§€ā§° āϏāĻ•āϞ⧋ āĻĒāĻžāύ⧀ āύāĻžāχ āĻšā§ˆ āϝāĻžāϝāĻŧ, āϤ⧇āĻ¨ā§āϤ⧇ āĻĒ⧃āĻĨāĻŋā§ąā§€ āϏāĻŽā§āĻĒā§‚ā§°ā§āĻŖ āĻļ⧁āĻ•āĻžāύ āĻšā§ˆ āĻĒā§°āĻŋāĻŦāĨ¤ āύāĻĻā§€, āĻšā§ā§°āĻĻ āφ⧰⧁ āϏāĻžāĻ—ā§° āύāĻžāχ āĻšā§ˆ āϝāĻžāĻŦ āφ⧰⧁ āĻĒāĻžāύ⧀ āϚāĻ•ā§ā§° āĻŦāĻ¨ā§āϧ āĻšā§ˆ āϝāĻžāĻŦāĨ¤ āϏāĻ•āϞ⧋ āĻœā§€ā§ą āĻĒāĻžāύ⧀⧰ āĻ“āĻĒā§°āϤ āύāĻŋā§°ā§āĻ­ā§°āĻļā§€āϞ, āϏ⧇āϝāĻŧ⧇ āĻ—āĻ›-āĻ—āĻ›āύāĻŋ, āϜāĻ¨ā§āϤ⧁ āφ⧰⧁ āĻŽāĻžāύ⧁āĻš āĻŦāĻžāϚāĻŋ āĻĨāĻžāĻ•āĻŋāĻŦ āĻ¨ā§‹ā§ąāĻžā§°āĻŋāĻŦāĨ¤ āĻŦāĻžāϝāĻŧ⧁āĻŽāĻŖā§āĻĄāϞ āϏāϞāύāĻŋ āĻšā§ˆ āĻŽā§‡āϘ āύāĻžāĻĨāĻžāĻ•āĻŋāĻŦ āφ⧰⧁ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻž āĻŦāĻžāĻĸāĻŧāĻŋ āĻŦāϤ⧰ āĻ…āϤāĻŋāĻļāϝāĻŧ āĻšā§ˆ āĻĒā§°āĻŋāĻŦāĨ¤ āϏ⧇āϝāĻŧ⧇ āĻĒ⧃āĻĨāĻŋā§ąā§€āϤ āĻœā§€ā§ąāύ āĻ…āϏāĻŽā§āĻ­ā§ą āĻšā§ˆ āĻĒā§°āĻŋāĻŦāĨ¤


Exam Tip: Write 4 points + conclusion = Full marks