Biology

Human Physiology and Anatomy

2,062 Questions

Human physiology and anatomy explore the structural organization and biological functions of the human body and its systems. Questions focus on the primary roles of organs, hormones, cellular components, and developmental processes. These fundamentals are integral to medical entrance tests and general science sections.

Organ functionsHormone functionsImmune system rolesDigestive systemCellular functions

Human Physiology and Anatomy Questions

Multiple choice

What is the function of adrenalin hormone?

  1. It helps the body to adjust with stress.

  2. It helps our body to absorb glucose from blood.

  3. It helps in the production of sperms.

  4. It helps in the production of milk.

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

Adrenalin hormone helps to adjust with stress.

Multiple choice

What is the role of hydrochloric acid in human body?

  1. Digestion of proteins

  2. Killing of harmful bacteria

  3. Protection of the inner lining of the stomach

  4. Breakdown of large fats

  5. Conversion of carbohydrates to glucose
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

HCl kills many bacteria and other microorganisms that enter along with the food.

Multiple choice

Which of the following is not a function of blood?

  1. Maintenance of water balance

  2. Transport of food

  3. Chemical coordination

  4. Cutting and tearing solid food into small pieces

  5. Maintenance of pH
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cutting and tearing the solid food into small pieces is common for ingestion which is done by teeth in mouth and then various enzymes in alimentary canal.

Multiple choice

What is the function of trypsin?

  1. It is to convert fats into fatty acids.

  2. It is to convert polysaccharides into monosaccharides.

  3. It is to convert protein into peptones.

  4. It is to convert peptones into aminoacids.

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

The function of trypsin is to convert protein into peptones.

Multiple choice

Which of the following is not the function of saliva?

  1. Acts as solvent in dissolving food particles

  2. Digests starch

  3. Aids in water balance in the body

  4. Cleans the mouth

  5. Covers and fixes the root in position
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

It is the function of cement, a bone like structure covering and fixing the root in position. The function of the cement is not only to seal the restoration on the tooth, but also in some cases to support the retention of the restoration.

Multiple choice

Which is the extra function of vacuoles in protists?

  1. Waste management

  2. Storage of food

  3. Exporting unwanted substances

  4. Isolating harmful materials
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In protists, vacuoles have the additional function of storing food which has been absorbed by the organism.

Multiple choice

Which of the following is not a function of endoplasmic reticulum?

  1. It transports materials.

  2. It provides surface for some biochemical activities.

  3. It detoxifies poisons and drugs.

  4. It stores the waste material of a cell.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Endoplasmic reticulum helps in the transportation of material being synthesised and provides surface for some biochemical activities. It detoxifies poisons and drugs. However, the waste material of a cell is stored in vacuoles and lysosomes.

Multiple choice

What is the function of prop roots?

  1. To store food

  2. To absorb nutrients

  3. To give support

  4. To attach the plant to any tree or wall

  5. To manufacture food

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Prop roots of banyan tree like pillars support the heavy branches of the tree. Thus, they give support to the plant. 

Multiple choice

Which of the following is not a function of epithelial tissues?

  1. They protect underlying cells from drying, injury, bacterial and chemical effects.

  2. They form lining of the mouth and alimentary canal of other internal organs to protect them.

  3. They help in elimination of waste products.

  4. They bind, support and pack together different organs of the body.

  5. Some of them perform secretory functions.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer as this is not a function of epithelial tissues. This is a function of connective tissues.

Multiple choice

Gap junctions are intercellular channels, which ensure a supply of nutrients to cells of an organ that are not in direct contact with the blood. Which of the following proteins help in forming gap junctions?

  1. Glycoproteins

  2. Connexin

  3. Aquaporins

  4. Integral proteins

  5. Peripheral proteins
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

They are gap junction proteins. They are a family of structurally related transmembrane proteins that assemble to form vertebrate gap junctions.

Multiple choice

Which of the following function is not performed by blood?

  1. Protection against infections.

  2. Regulation of water balance in tissues.

  3. Regulation of body temperature

  4. Regulation of enzyme synthesis.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blood does not play any role in enzyme synthesis. It is responsible for transport of enzymes only.