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 of the following best descibes cisterna chyli?

  1. An oval-shaped organ of the lymphatic system, distributed widely throughout the body including the armpit and stomach and linked by lymphatic vessels

  2. It is a dilated sac at the lower end of the thoracic duct into which lymph from the intestinal trunk and two lumbar lymphatic trunks flow.

  3. Largest lymphatic organ of the body

  4. Outer membrane of spleen
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cisterna chyli is a dilated sac at the lower end of the thoracic duct into which lymph from the intestinal trunk and two lumbar lymphatic trunks flow. It receives fatty chyle from the intestines and thus, acts as a conduit for the lipid products of digestion. It is the most common drainage trunk of most of the body's lymphatics.

Multiple choice

Müller's fibres are found in the

  1. retina

  2. pancreas

  3. heart

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

Muller's fibres (Müller glia) are specialized glial cells found in the vertebrate retina. They span the entire thickness of the retina and provide structural and metabolic support to the neurons.

Multiple choice

Name the organism which has only rod cells in its eye.

  1. Hen

  2. Man

  3. Owl

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

Owls are nocturnal animals and their retinas are dominated by rod cells, which are highly sensitive to low light levels. This adaptation allows them to see well in the dark. Humans and many other diurnal animals have both rods and cones to facilitate both night and color vision.

Multiple choice

In which of the following conditions is the foreskin of the penis tight or has a very small opening at the tip preventing it from retracting over the head of the penis?

  1. Priapism

  2. Balanitis

  3. Phimosis

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

In phimosis, the foreskin of penis is tight or has a very small opening at the tip preventing it from retracting over the head of the penis. This may be present from birth or result from scarring of the penile tissue due to recurrent episodes of balanitis in adulthood.

Multiple choice

Which of the following organs synthesize bile?

  1. Liver

  2. Spleen

  3. Gall bladder

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

Bile is produced by the hepatocytes in the liver. It is then stored and concentrated in the gall bladder before being released into the small intestine.

Multiple choice

Smooth muscles are not found in

  1. iris of eye

  2. ureters

  3. bronchi of the lungs

  4. thigh

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

This is the correct answer as smooth muscles are involuntary muscles. 

Multiple choice

Cuboidal epithelium is present in

  1. lining of the mouth

  2. inner lining of the intestine

  3. lining of kidney tubules

  4. lining of oesophagus

  5. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cuboidal epithelium is present in the lining of kidney tubules.

Multiple choice

Epithelium tissue having an inward fold is called

  1. glandular epithelium

  2. ciliated columnar epithelium

  3. stratified squamous epithelium

  4. cuboidal epithelium

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

Sometimes, a portion of the epithelial tissue folds inwards and a multicellular gland is formed. This is known as glandular epithelium.