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 biology tissues, organs, organ system, organism tissues of animals animal tissues and its type tissues: animal tissues fluid connective tissue

The epithelium which forms the inner wall of blood vessels is_____________

  1. Cuboidal epithelium

  2. Ciliated epithelium

  3. Squamous epithelium

  4. Compound epithelium
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • The simple squamous epithelium that lines the blood vessels is called the endothelium. The endothelium is the thin layer of cells that line the interior surface of blood vessels, forming an interface between circulating blood in the lumen and the rest of the vessel wall. Endothelial cells line the entire circulatory system, from the heart to the smallest capillary. These cells reduce turbulence of the flow of blood allowing the fluid to be pumped farther. 
Endothelial tissue is a specialized type of epithelium tissue (one of the four types of biological tissue in animals). More specifically, it is a simple squamous epithelium.
Multiple choice biology tissues, organs, organ system, organism tissues of animals animal tissues and its type tissues: animal tissues fluid connective tissue

The covering tissue of external and internal surfaces of animal body is

  1. Connective

  2. Epithelial

  3. Muscular

  4. Areolar
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The external surfaces and internal linings of the animal body are made up of various kinds of epithelial tissues. Epithelial tissues have various functions all across our bodies like secretion, absorption, protection, sensing and, to some extent, thermoregulation. So, the correct answer is 'Epithelial'.

Multiple choice zoology excretory system of human other excretory organ role of other organs in excretion accessory excretory organs

Which of the following passage way is part of cloaca of vertebrates?

  1. Rectum

  2. The reproductive tract

  3. The urinary tract

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cloaca is the posterior opening that serves as the only opening for the intestinal, reproductive and urinary tracts of all amphibians, birds, reptiles, and monotremes. They possess this orifice, from which they excrete both urine and feces, unlike most placental mammals, which possess two or three separate orifices for evacuation.

Multiple choice types of circulatory system circulatory pathways transportation in plants and circulation in animals body fluids and circulation biology

Hepatic portal system is found in

  1. All mammals

  2. All amniotes

  3. All vertebrates

  4. Higher invertebrates

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A) The hepatic portal system is the venous system that returns blood from the digestive tract and spleen to the liver. It is present in mammals.

B) Not all amniotes have a hepatic portal system.
C) The hepatic portal system is found in amphibians and mammals.
D) Higher invertebrates do not have a hepatic portal system.
E) Mammals have a hepatic portal system.
So the correct answer is 'All mammals'.

Multiple choice types of circulatory system circulatory pathways transportation in plants and circulation in animals body fluids and circulation biology

which of the following vertebrate organ systems does not open directly to the external environment?

  1. Digestive system

  2. Circulatory system

  3. Excretory system

  4. Respiratory system
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The circulatory system is the only system which is not exposed to the external environment.

So, the correct option is 'Circulatory system'.

Multiple choice biology neural control and coordination human nose nose nose : the olfactory organ

The olfactory receptors in human body are found in 

  1. Skin

  2. Nose

  3. Throat

  4. Gums
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Olfactory receptors are found in nose. They are associated with the perception of smell. Olfactory receptors expressed in the cell membranes of olfactory receptor neurons are responsible for the detection of odor molecules. Activated olfactory receptors are the initial player in a signal transduction cascade which ultimately produces a nerve impulse which is transmitted to the brain.

Therefore, the correct answer is option B.

Multiple choice biology neural control and coordination human nose nose nose : the olfactory organ

Olfactory receptor organs are sensitive to

  1. Light

  2. Sound

  3. Smell

  4. Equilibrium
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • Olfactory receptors are also known as odorant receptors. 
  • They are present in the cell membranes of olfactory receptor neurons and are responsible for the detection of odour which gives rise to the sense of smell.
  • Hence,  Olfactory receptor organs are sensitive to Smell.
  • So, the correct answer is 'Smell'.
Multiple choice evs respiration in living organisms respiration in human beings respiration and associated structures respiration in humans mechanism of respiration in animals human lungs respiratory organs in humans

In mammals, the body cavity is partitioned into thoracic and abdominal parts by.

  1. Liver

  2. Lungs

  3. Ribs

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

The diaphragm is a dome-shaped muscular partition that separates the thoracic cavity, containing the heart and lungs, from the abdominal cavity, containing the digestive organs.

Multiple choice evs circulation of blood circulatory system and organs basics of blood and heart transportation in living organisms

The upper chambers of the heart are called

  1. Auricles

  2. Ventricles

  3. Spiracles

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

A normal heart has two upper and two lower chambers. The upper chambers, the right, and left atria, receive incoming blood. The lower chambers, the more muscular right, and left ventricles pump blood out of your heart.

So, the correct option is 'Auricles'.

Multiple choice evs circulation of blood circulatory system and organs basics of blood and heart transportation in living organisms

The lower chambers of the heart are called

  1. Auricles

  2. Ventricles

  3. Spiracles

  4. Tentacles
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The upper chambers are called the left and right atria, and the lower chambers are called the left and right ventricles. A wall of muscle called the septum separates the left and right atria and the left and right ventricles. The left ventricle is the largest and strongest chamber in your heart.

So, the correct option is 'Ventricles'.

Multiple choice evs transportation in living organisms circulatory system and organs basics of blood and heart circulatory system

Which of the following is covered by pericardium membrane?

  1. Heart

  2. Kidneys

  3. Small intestine

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

The serosal pericardium is a closed sac within the fibrous pericardium. It consists of two layers. The visceral layer, called the epicardium, covers the heart and great vessels and is reflected back onto the parietal layer, which lines the interior of the fibrous pericardium.

So, the correct option is 'Heart'.