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 human brain and sense organs introduction to sense organs eyes and their function the structure and function of the eye

Suspensory ligaments are found in

  1. Brain

  2. Eye

  3. Ear

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

Many suspensory ligaments are attached radially around the lens that serve to pull the edges of lens edges toward the outer circle of the eyeball. They maintain the relatively flat shape of the lens under normal conditions of the eye.

Multiple choice biology human brain and sense organs introduction to sense organs eyes and their function the structure and function of the eye

Ora serrata is

  1. A serrated junction between the retina and ciliary body

  2. Oral cavity of protochoradates

  3. Gland present in oral cavity of frog

  4. Present in utriculus of ear
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The ora Serrata is a toothlike junction between the peripheral retina and the pars plana and is composed of forward extensions of the retina and backward extensions of the ciliary body. So, the correct answer is option A.

Multiple choice biology human brain and sense organs introduction to sense organs eyes and their function the structure and function of the eye

In man, the nictitating membrane is 

  1. Absent

  2. Vestigial

  3. Non-functional

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

The plica semilunaris in humans is a small fold of tissue on the inside corner of the eye. It is the vestigial remnant of the nictitating membrane, an organ that is fully functional in some other species of mammals.

Multiple choice zoology diversity in living world hemichordata phylum hemichordata chordates and hemichordates

Which of the following is present at the anterior end of Balanoglossus?

  1. Proboscis

  2. Collar

  3. Hepatic region

  4. Brachiocephalic region
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
In longitudinal section of the anterior region of Balanoglossus, three parts are visible i.e., proboscis, collar, and trunk. Among these, the proboscis is present in the anterior end. It is almost round in shape. Proboscis helps in burrowing through the sand. 
So, the correct answer is 'Proboscis'.
Multiple choice zoology diversity in living world hemichordata phylum hemichordata chordates and hemichordates

The roof of oral hood in Amphioxus show the presence of Hatschek's pit which is responsible for the secretion of 

  1. Bile

  2. Saliva

  3. Mucus

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

The roof of the oral hood in Amphioxus show the presence of Hatschek's pit which is responsible for the secretion of mucus. This mucus secretion helps to entrap food particles present in the water.

So, the correct answer is 'Mucus'.

Multiple choice zoology diversity in living world hemichordata phylum hemichordata chordates and hemichordates

Excretory organ of Balanoglossus is 

  1. Malphagian tubules

  2. Flame cells

  3. Nephridia

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

Balanoglossus is a hemichordate. The excretory organ in Balanoglossus is glomerulus. This is also known as the proboscis gland. This gland is present in front of the central sinus. The gland projects outward in the proboscis coelom. The gland is comprised of many tube like projections. The tubes are blind at one end. The tubes are formed by the peritoneum. They are present as the covering of buccal diverticulum, central sinus, and heart vesicle. This organism is considered as the link between vertebrates and invertebrates. 

Thus, the correct answer is option D.

Multiple choice zoology diversity in living world hemichordata phylum hemichordata chordates and hemichordates

'Wheel organ' is found in

  1. Herdmania

  2. Amphioxus

  3. Balanoglossus

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

The wheel organ is found in amphioxus, which is a specialized epithelium in the roof and sides of the adult lancelet oral cavity. It borders the oral epithelium proper. The wheel organ cells are tall and strongly ciliated and have dark, heterochromatin-rich nuclei. It draws food through the use of its cilia for digestion. 

So, the correct answer is option B.

Multiple choice biology food and it's constituents energy giving food carbohydrate and its test biological molecules

This is a storing organ.

  1. Gall bladder

  2. Liver

  3. Pancreas

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

The gallbladder is a small storage organ located inferior and posterior to the liver. Though small in size, the gallbladder plays an important role in our digestion of food. The gallbladder holds bile produced in the liver until it is needed for digesting fatty foods in the duodenum of the small intestine.

Multiple choice biology life processes in living organism movements in plants coordination in plants tropic and nastic movements in plants

Which foramen is paired in mammalian brain ?

  1. Foramen of Monro

  2. Foramen of Magendie

  3. Interventricular foramen

  4. Foramen of Luschka
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Foramen of Luschka (lateral apertures) is a paired structure in the brain that allows cerebrospinal fluid to exit the fourth ventricle. The other listed foramina are singular structures.

Multiple choice evs the unique world of insects and animals sleeping time animal senses sense organs in animals sense organs in humans

Receptors of pressure present in deep layers of skin are 

  1. Krause's end bulb

  2. Meissner's corpuscles

  3. Corpuscles of Ruffini

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

Meissner corpuscles are one of the three types of cutaneous receptors which are sensitive to fine touch. Three types are cutaneous receptors are sensitive to pressure which are namely Pacinian corpuscles, Ruffini endings and Krause end bulbs. Out of these, onion-shaped Pacinian corpuscles lie deep inside the dermis. The Ruffini endings are present deeper in epidermis near the base while the Krause end bulbs are present in specialized regions only, for example, conjunctiva of eyes, mucous membrane of lips and tongue etc. Thus, the correct answer is option D.

Multiple choice evs the unique world of insects and animals sleeping time animal senses sense organs in animals sense organs in humans

Which of the following organ senses temperature?

  1. Tongue

  2. Nose

  3. Skin

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • Sensitivity to temperature is a skin sense that is related to the human need to maintain internal temperature balance or thermal homeostasis. 
  • When the body becomes hotter than the normal temperature the sweat glands releases sweat which in turns cools the skin as it evaporates. This helps the lower internal temperature of the body
  • Hence the organ which senses temperature is skin.
  • So, the correct answer is 'Skin'.
Multiple choice evs the unique world of insects and animals sleeping time animal senses sense organs in animals sense organs in humans

Which of the following have taste buds?

  1. Palate

  2. Mucous lining

  3. Tongue

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Taste buds are sensory organs that are found on your tongue and allow you to experience tastes that are sweet, salty, sour, and bitter. Taste buds have very sensitive microscopic hairs called microvilli. Those tiny hairs send messages to the brain about how something tastes, whether if it is sweet, sour, bitter, or salty.

So, the correct answer is 'Tongue'.