Question:
In frog, 'fenestra ovalis' is
In frog, 'fenestra ovalis' is
Updated On: Jul 12, 2022
- the communication between the pharynx and the tympanic cavity
- the external opening of the tympanic cavity which is covered by the tympanic membrane
- the air filled cavity of the middle ear
- the opening in the auditory capsule which separates the middle ear from the internal ear.
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
The bony partition between tympanic cavity (cavity of middle ear) and auditory capsule (internal ear) is perforated by a small window-like oval aperture, the fenestra ovalis, which remains closed by a membrane and a cartilaginous nodule, the stapedial plate.
Was this answer helpful?
0
0
Top Questions on Structural Organisation of Animals and plants
Match List I with List II.
List I
List II
A Taenia I Nephridia B Paramoecium II Contractile vacuole C Periplaneta III Flame cells D Pheretima IV Urecose gland Choose the correct answer from the options given below:
- NEET (UG) - 2023
- Biology
- Structural Organisation of Animals and plants
- In angiosperms anther are mostly?
- MHT CET - 2023
- Biology
- Structural Organisation of Animals and plants
- Chromosome mapping is based on:
- WBJEE JENPAS UG - 2022
- Biology
- Structural Organisation of Animals and plants
- Following are the statements about prostomium of earthworm.
(a) It serves as a covering for mouth.
(b) It helps to open cracks in the soil into which it can crawl.
(c) It is one of the sensory structures.
(d) It is the first body segment.
Choose the correct answer from the options given below- NEET (UG) - 2021
- Biology
- Structural Organisation of Animals and plants
- Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighboring cells via rapid transfer of ions and molecules
- NEET (UG) - 2021
- Biology
- Structural Organisation of Animals and plants
View More Questions
Questions Asked in AIPMT exam
- The terga, sterna and pleura of cockroach body are joined by
- AIPMT - 2015
- Cockroach
- Three identical spherical shells, each of mass m and radius r are placed as shown in figure. Consider an axis X X' which is touching to two shells and passing through diameter of third shell. Moment of inertia of the system consisting of these three spherical shells about XX' axis is
- AIPMT - 2015
- Moment Of Inertia
- The species $ {Ar, K^+}$ and $ {Ca^{2+}}$ contain the same number of electrons. In which order do their radii increase?
- AIPMT - 2015
- properties of d block elements
- The hilum is a scar on the
- AIPMT - 2015
- Post-Fertilisation : Structures And Events
- The heat of combustion of carbon to $ {CO_2}$ is $ {- 393.5 \, kJ/mol}$. The heat released upon formation of 35.2 g of $ {CO_2}$ from carbon and oxygen gas is:
- AIPMT - 2015
- Enthalpy change
View More Questions