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Which among the following is incorrect about tap root and fibrous root?
  • a)
    Tap root grows deep into the soil
  • b)
    In fibrous root system, one primary root and more than one secondary root is present
  • c)
    Fibrous root grows laterally
  • d)
    Most of the dicotyledons adopt tap root system
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which among the following is incorrect about tap root and fibrous root...
  • Tap root grows deep into the soil.
  • Fibrous root grows laterally in the soil.
  • In tap root system, one primary root and more than one secondary root is present.
  • Most of the dicotyledons adopt tap root system.
Community Answer
Which among the following is incorrect about tap root and fibrous root...
Incorrect Statement: In fibrous root system, one primary root and more than one secondary root is present

Explanation:

Fibrous Root System:
- In a fibrous root system, there is no single dominant root like in the taproot system. Instead, there are multiple roots of similar size and length.
- These roots arise from the base of the stem and spread out in different directions, forming a dense network.
- The primary root in the fibrous root system does not persist as a main root and does not grow significantly.
- The roots in the fibrous root system are adventitious roots, which means they develop from the stem rather than the radicle (embryonic root).
- The fibrous root system is typically found in monocotyledonous plants such as grasses, maize, wheat, rice, etc.

Correct Statements:
a) Tap root grows deep into the soil:
- In a taproot system, there is a large, dominant primary root that grows vertically downward into the soil.
- The primary root gives rise to secondary and tertiary roots, which also grow vertically into the soil.
- Taproots are generally found in dicotyledonous plants such as carrots, radishes, dandelions, etc.
- The taproot system allows plants to penetrate deep into the soil, providing stability and access to nutrients and water present at greater depths.

c) Fibrous root grows laterally:
- As mentioned earlier, fibrous roots in the fibrous root system spread out horizontally from the base of the stem.
- These roots do not grow deep into the soil but rather form a dense network close to the soil surface.
- This lateral growth of fibrous roots helps in anchoring the plant and absorbing nutrients from a larger soil area.

d) Most of the dicotyledons adopt tap root system:
- It is true that most dicotyledonous plants have a taproot system.
- The taproot system is advantageous for dicots as it allows them to grow deep into the soil, providing better support and greater access to nutrients and water.
- However, there are exceptions where dicots also have a fibrous root system, such as some species of milkweed (Asclepias) and certain legumes.

In conclusion, the incorrect statement is option 'B' because a fibrous root system does not have a primary root and multiple secondary roots. Instead, it consists of multiple similar-sized roots that form a dense network.
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Which among the following is incorrect about tap root and fibrous root?a)Tap root grows deep into the soilb)In fibrous root system, one primary root and more than one secondary root is presentc)Fibrous root grows laterallyd)Most of the dicotyledons adopt tap root systemCorrect answer is option 'B'. Can you explain this answer?
Question Description
Which among the following is incorrect about tap root and fibrous root?a)Tap root grows deep into the soilb)In fibrous root system, one primary root and more than one secondary root is presentc)Fibrous root grows laterallyd)Most of the dicotyledons adopt tap root systemCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which among the following is incorrect about tap root and fibrous root?a)Tap root grows deep into the soilb)In fibrous root system, one primary root and more than one secondary root is presentc)Fibrous root grows laterallyd)Most of the dicotyledons adopt tap root systemCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which among the following is incorrect about tap root and fibrous root?a)Tap root grows deep into the soilb)In fibrous root system, one primary root and more than one secondary root is presentc)Fibrous root grows laterallyd)Most of the dicotyledons adopt tap root systemCorrect answer is option 'B'. Can you explain this answer?.
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