Biology

Animal Tissue and Anatomy

1,715 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 among the following is a glycoprotein membrane?

  1. The corona radiata

  2. The zona pellucida

  3. The membrana granulosa

  4. The perivitelline space
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is a glycoprotein membrane covering the plasma membrane of an oocyte. It is an important constitutive part of the oocyte.

Multiple choice

The ganglia present in the upper abdomen of humans is

  1. thoracic ganglia

  2. lumbar ganglia

  3. celiac ganglia

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

These are the only ganglia, which are two large irregularly shaped masses of nerve tissue present in the upper abdomen of humans.

Multiple choice

Which ganglion heats or cools the air in the nasal chamber?

  1. The submandibular ganglion

  2. The otic ganglion

  3. The pterygopalatine ganglion

  4. The ciliary ganglion
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is a parasympathetic ganglion found in the pterygopalatine fossa. The flow of blood to the nasal mucosa is regulated by the pterygopalatine ganglion which heats or cools the air in the nose.

Multiple choice

The structure meant only for sexual pleasure is

  1. vulva

  2. labia

  3. clitoris

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

A small organ located near the opening of the vagina is a sensitive site of sexual excitement. Its only purpose is sexual pleasure.

Multiple choice

Which function is performed by the renal portal system in frog?

  1. Elimination of fats by kidneys

  2. Elimination of nitrogenous wastes

  3. Sieving blood from kidneys

  4. Retaining proteins and solutes from kidneys

  5. Supplying blood to kidneys from hind limbs
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Renal portal system is the characteristic of fishes, amphibians and reptiles. It supplies blood to the kidneys from the lower portion of the body.

Multiple choice

Spiral valve is present in ___________.

  1. right auricle

  2. sinus venosus

  3. conus arteriosus

  4. right ventricle

  5. left ventricle
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A short conus arteriosus with a spiral valve directs blood as it leaves the ventricle. 

Multiple choice

Which among the following acts as a useful aid in determining the most appropriate time to mate a bitch?

  1. Vaginal cytology

  2. Vaginal constriction

  3. Vaginal biopsy

  4. Vaginal aspiration
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Vaginal cytology is the cyclic changes in the exfoliated epithelial cells of the vaginal mucosa occurring synchronously with the stages of the estrous cycle. It is a useful aid in determining the most appropriate time to mate a bitch.

Multiple choice

In a human female, the uterus and fallopian tubes meet at

  1. mons pubis

  2. pudendal cleft

  3. uterine horns

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

The uterine horns are the areas where the uterus and the fallopian tubes meet. It is also the site of attachment for the round ligament of uterus.

Multiple choice

The largest organ of the human body is ___________.

  1. the heart

  2. the brain

  3. the liver

  4. kidney

  5. skin
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The skin is the largest organ in a human body. It is made up of multiple layers of ectodermal tissues. The skin protects the body against pathogens and excessive water loss. It also helps in temperature regulation and protection of vitamin D folates.