Home
Class 12
BIOLOGY
Read the following statements STATEMENT ...

Read the following statements STATEMENT ( A) Middle ear, which is filled with endolymph contains three ossicles which increases the amplitude of sound. Statement-(B) Eustachian tube helps in equalising the pressure on either side of ear drum

A

Both statements are correct

B

only statement A is correct

C

only statement B is correct

D

both statements are correct

Text Solution

AI Generated Solution

The correct Answer is:
To analyze the given statements about the ear, we will evaluate each statement separately. ### Step-by-Step Solution: 1. **Evaluate Statement (A)**: - The statement claims that the middle ear is filled with endolymph and contains three ossicles that increase the amplitude of sound. - **Fact Check**: The middle ear is not filled with endolymph; it is actually an air-filled chamber. The three ossicles (malleus, incus, and stapes) do indeed amplify sound, but the fluid endolymph is found in the inner ear, not the middle ear. - **Conclusion**: Statement (A) is **incorrect**. 2. **Evaluate Statement (B)**: - The statement asserts that the Eustachian tube helps in equalizing the pressure on either side of the eardrum. - **Fact Check**: The Eustachian tube connects the middle ear to the pharynx and serves to equalize the air pressure on both sides of the eardrum, which is essential for proper hearing. - **Conclusion**: Statement (B) is **correct**. 3. **Final Conclusion**: - Since Statement (A) is incorrect and Statement (B) is correct, the overall conclusion is that only Statement (B) is true. ### Answer: The correct answer is that only Statement (B) is correct. ---
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 15

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|26 Videos
  • MOCK TEST 16

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|22 Videos

Similar Questions

Explore conceptually related problems

Of the following statements, which is true regarding the eustachian tube :

Read the following statements a) It is paried structure b) It is present on lateral side of male urethra c) It help in lubrication of penis In above statements 'It' refers to

State which of the following statements are true and which are false : If all the three sides of a triangle are equal, it is called scalene triangle .

Read the following statements (a) Older flowers are present at the base of the stem(b) Main axis keeps on growing. which terms are associated with this type of inflorescence?

Read the following statement Statement A Neural impulses generated in response to sound are received by the brain from ears. Statement B Neural impulses for equilibrium are by the brain from ears as well as receptor present in the muscles, tendons, joints, skin and eyes

Consider the following statements 1. Xylem vessels are semi-permeable 2. Sieve tubes translocate only solutes 3. Xylem vessels do not have a turgor pressure 4. Companion cells help in maintaining pressure gradient in the sieve tubes . Which of the statements given above are correct ?

Consider the following statements : The mean free path of gas molecules I. decreases with increase in concentration II. increases with decrease in pressure at constant temperature III. decreases with increase in molecular size Which of the above statements are correct?

Read the following four statements (1-4) (1 ) The second heart sound is DUB, which is associated with the closure of bicuspid and tricuspid valves . (2) The duration between consecutive second and first heart sound is 0.5 second in a cardiac cycle . (3) The heartbeat of a human increase when the adrenaline hormone in injected into it. (4) The atrial systole in a cardiac cycle increase the flow of blood into the respective ventricle by about 70% . How many of the above statements are incorrect ?

Read the following statements for lac operon: i. Each operon has its specific operator and specific repressor. ii. The y gene codes permease, which increases the permeability of the cell to beta-galactosides. iii. Regulation of lac operon can be visualized as regulation of enzyme synthesis by its substrate. Select the option with the correct statements.

Which of the following statements are true (T) and which are false (F)? (i) Sum of the three sides of a triangle is less than the sum of its three altitudes. (ii) Sum of any two sides of a triangle is greater than twice the median drawn to the third side. (iii) Sum of any two sides of a triangle is greater than the third side. (iv) Difference of any two sides of a triangle is equal to the third side. (v) If two angles of a triangle are unequal, then the greater angle has the larger side opposite to it. (vi) Of all the line segments that can be drawn from a point to a line not containing it, the perpendicular line segment is the shortest one.

AAKASH INSTITUTE ENGLISH-MOCK TEST 15 ZOOLOGY-EXAMPLE
  1. Choose the incorrect match between receptors their functions and examp...

    Text Solution

    |

  2. State the incorrect statement with regard to the plant groups

    Text Solution

    |

  3. Which of the following statements are correct?

    Text Solution

    |

  4. Nerve fibres from olfactory receptor transmit their impulses to A whil...

    Text Solution

    |

  5. The order of the three layers of cells in the retina of human eye from...

    Text Solution

    |

  6. Find the incorrect match

    Text Solution

    |

  7. Following changes occur when we try to look at a distant object except

    Text Solution

    |

  8. When we migrate from dark to light, we fail to see for sometimes but a...

    Text Solution

    |

  9. Select the correct statement

    Text Solution

    |

  10. Various steps involved in mechanism of vision are given below in the f...

    Text Solution

    |

  11. Which of the following disorders is caused due to shortening of eyebal...

    Text Solution

    |

  12. Select the incorrect match between the given structures and their loca...

    Text Solution

    |

  13. Pink eye is caused due to

    Text Solution

    |

  14. Sudoriferous glands present in external auditory meatus are

    Text Solution

    |

  15. Among the three ear ossicles. A receives the sound vibration from tymp...

    Text Solution

    |

  16. Read the following statements STATEMENT ( A) Middle ear, which is fil...

    Text Solution

    |

  17. All of the below are true w. r. t organ of Corti except

    Text Solution

    |

  18. choose the correct answer with regard to Helicotrema

    Text Solution

    |

  19. Read the following statement.State whether true or false A.scala medi...

    Text Solution

    |

  20. Read the following statement Statement A Neural impulses generated i...

    Text Solution

    |