UPSC Exam  >  UPSC Questions  >   Deltas are formed when a river nears the sea... Start Learning for Free
Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation?
1. Change of river course
2. Formation of several distributaries of the original river
3. Fertility of the local soil increases.
Choose the correct answer using the codes below:
  • a)
    1 and 2 only
  • b)
    2 and 3 only
  • c)
    1 and 3 only
  • d)
    All of the above
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Deltas are formed when a river nears the sea and starts depositing it...
A river delta is a landform that occurs at the mouth of a river. It has very fertile soil as well as a large amount of vegetation. River slows down when it approaches the end point and starts depositing the silt which leads to formation of distributaries.
Free Test
Community Answer
Deltas are formed when a river nears the sea and starts depositing it...
Delta formation can have several consequences that can significantly impact the surrounding environment. These consequences include:

1. Change of river course:
When a river nears the sea and starts depositing its sediment load in the plains, the formation of a delta can cause a change in the course of the river. As the sediment accumulates at the river mouth, it can block the main channel and force the river to take a new path. This change in course can lead to the abandonment of the old channel and the formation of a new one. This process is known as avulsion.

2. Formation of several distributaries of the original river:
As the river deposits sediment at its mouth, it may create multiple channels or distributaries that branch out from the main river. These distributaries carry the sediment and water from the river to different areas, creating a network of channels that spread out across the delta. This branching pattern is often seen in large river deltas, such as the Mississippi Delta or the Ganges-Brahmaputra Delta.

3. Fertility of the local soil increases:
Deltaic soils are generally highly fertile due to the deposition of sediment carried by the river. The sediment deposited by the river contains minerals and nutrients that enrich the soil, making it suitable for agriculture. The constant flooding and deposition of sediment also help to replenish the soil with new nutrients, further enhancing its fertility. As a result, deltaic regions often support extensive agricultural activities and are considered highly productive.

In conclusion, the consequences of delta formation include a change in the river course, the formation of distributaries, and an increase in the fertility of the local soil. These consequences have both natural and human impacts on the environment, influencing river dynamics, landforms, and agricultural practices in deltaic regions.
Explore Courses for UPSC exam

Top Courses for UPSC

Question Description
Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation? 1. Change of river course2. Formation of several distributaries of the original river3. Fertility of the local soil increases.Choose the correct answer using the codes below: a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation? 1. Change of river course2. Formation of several distributaries of the original river3. Fertility of the local soil increases.Choose the correct answer using the codes below: a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation? 1. Change of river course2. Formation of several distributaries of the original river3. Fertility of the local soil increases.Choose the correct answer using the codes below: a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation? 1. Change of river course2. Formation of several distributaries of the original river3. Fertility of the local soil increases.Choose the correct answer using the codes below: a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC. Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free.
Here you can find the meaning of Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation? 1. Change of river course2. Formation of several distributaries of the original river3. Fertility of the local soil increases.Choose the correct answer using the codes below: a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation? 1. Change of river course2. Formation of several distributaries of the original river3. Fertility of the local soil increases.Choose the correct answer using the codes below: a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation? 1. Change of river course2. Formation of several distributaries of the original river3. Fertility of the local soil increases.Choose the correct answer using the codes below: a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation? 1. Change of river course2. Formation of several distributaries of the original river3. Fertility of the local soil increases.Choose the correct answer using the codes below: a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Deltas are formed when a river nears the sea and starts depositing its sediment load in the plains. Which of the following can be the consequences of delta formation? 1. Change of river course2. Formation of several distributaries of the original river3. Fertility of the local soil increases.Choose the correct answer using the codes below: a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of the aboveCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice UPSC tests.
Explore Courses for UPSC exam

Top Courses for UPSC

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev