Biology

Animal Tissue and Anatomy

1,349 Questions

Test your knowledge of animal tissues and anatomical structures with these practice questions. The set covers human organs, reproductive systems, and sensory receptors. These fundamental biology topics frequently appear in medical and competitive examinations.

Sensory receptorsReproductive organsBody structure frameworkEar drum pressureExcretory system

Animal Tissue and Anatomy Questions

Multiple choice

Which of the following is an anatomical structure that is a small fold of mucous membrane that extends from the floor of the mouth to the midline of the underside of the tongue?

  1. Sublingual caruncle

  2. Plica fimbriata

  3. Frenulum of tongue

  4. Glossoepiglottic fold
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Frenulum of tongue is a small fold of mucous membrane that extends from the floor of the mouth to the midline of the underside of the tongue. It tends to limit the movement of the tongue.

Multiple choice

Fenestra rotunda is an opening on the medial wall of the middle ear that leads into the cochlea. Which of the following statements are true about fenestra rotunda?

a. It is the round window in the inner ear. b. It relieves pressure in the inner ear. c. It communicates with the stapes or columella. d. Vibrations in it cause pressure changes in perilymph of scala vestibuli.

  1. Only a and d

  2. Only b and d

  3. Only a and b

  4. Only c and d
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

These points are true about fenestra rotunda. It is the round window in the inner ear and it relieves pressure in the inner ear. 

Multiple choice

Basilar membrane is present in the inner ear. Which of the following sentences is true for the basilar membrane?

  1. It separates endolymph from the corticolymph.

  2. It separates scala media from scala vestibuli.

  3. It separates the scala media from the scala tympani.

  4. It may be involved in the longitudinal propagation of energy in the intact cochlea.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Basilar membrane separates the scala media from the scala tympani. These are two liquid-filled tubes that run along the coil of the cochlea.

Multiple choice

Which of the following foramen lies directly under the eyebrow?

  1. The anterior ethmoidal foramen

  2. The posterior ethmoidal foramen

  3. The infraorbital foramen

  4. The supraorbital foramen

  5. The zygomatico-orbital foramen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The supraorbital foramen is a bony elongated path located above the orbit and under the forehead. It lies directly under the eyebrow.

Multiple choice

Islets of langerhans are present in:

  1. Liver

  2. Lungs

  3. Pancreas

  4. Intestine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Islets of Langerhans are regions of the pancreas that contain its endocrine (hormone-producing) cells, such as alpha and beta cells.

Multiple choice

Where is casparian strip located?

  1. In epidermis

  2. In hypodermis

  3. In cortex

  4. In endodermis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Casparian strip is located in endodermis. It blocks the passive flow of materials, such as water and solutes into the stele of a plant.

Multiple choice

Find the odd one out.

  1. Cranium - Occipital

  2. Facial - Squamosal

  3. Hyoid - Turbinals

  4. Ossicles - Stapes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hyoid is a single bone. Turbinals are facial bones.