Biology
Human Physiology and Anatomy
2,235 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
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Kingdom : Animalia
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Phylum : Chordata
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Class : Chondrichthyes
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Order : Primates
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Family : Hominidae
C
Correct answer
Explanation
Homo sapiens belongs to class Mammalia.
Class Chondrichthyes consists of cartilaginous fish.
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produce enzymes
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produce hormones
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destroy pathogens
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destroy old RBC
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production of RBC
C
Correct answer
Explanation
The chief function of lymph nodes in mammals is to destroy pathogens.
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to distribute heat
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to protect enzymes
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to cause blood clotting
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to destroy bacteria
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to distribute hormones to the respective sites
D
Correct answer
Explanation
WBC act as the line of defense of the body. It destroys bacteria and other germs.
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Lymph contains lymphocytes which destroys harmful pathogens.
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It filters out bacteria through the lymph nodes or lymph glands.
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It controls the concentration of proteins in the tissue fluid.
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It absorbs fatty acids and glycerols through the lacteals and villi.
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It transports water and digested food from the digestive tract to other organs.
E
Correct answer
Explanation
It is the function of blood not lymph.
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It is a component of balancing apparatus.
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Detects head tilt in a horizontal plane
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Detects head tilt in a vertical plane
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Detects linear acceleration
B
Correct answer
Explanation
Head tilt in horizontal plane is detected by the utricle.
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Testosterone
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Thyroxin
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Oestrogen
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Adrenalin
B
Correct answer
Explanation
Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones. Hence, the hormone is related with growth.
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Destruction of RBCs
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Storage of fats
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Formation of WBCs
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Destruction of pathogens
D
Correct answer
Explanation
Lymph nodes function in the destruction of pathogens. Lymphocytes in lymph destroy harmful pathogens and protect the body from various diseases.
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to filter blood and to remove waste products
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to keep the body cool and to remove excess proteins
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to remove waste products and to cool the body
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to keep the body warm and to filter blood
C
Correct answer
Explanation
The two main functions of sweat are to remove waste products and to cool the body.
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It helps to promote the absorption of calcium from food.
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It helps to maintain the eye sight.
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It helps in building new tissues and cells.
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It regulates the body temerature.
A
Correct answer
Explanation
Different vitamins play different roles in our body. Vitamin C helps fight against diseases. Vitamin D promotes the absorption of calcium from food and helps our body use calcium for bones and teeth.
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Segmental contraction
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Peristalisis
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Tonic contraction
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No contraction
C
Correct answer
Explanation
Tonic contractions are observed in sphincter.
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Stimulates process of spermatogenesis
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Stimulates the interstitial cells to secrete testosterone
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Controls the change in the colour of the skin
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Stimulates the development of corpus luteum
B
Correct answer
Explanation
In males, LH stimulates the interstitial cells to secrete testosterone.
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for removing a thin layer of tissue in the uterus
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for removal of uterus
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for getting rid of non-cancerous tumours in the uterus
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for getting rid of cancerous tumours in the uterus
C
Correct answer
Explanation
Correct Answer: to get rid of non-cancerous tumours in the uterus
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Cell membrane encloses the living part of the cell.
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Cell membrane controls all the activities of the cell.
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Cell membrane protects the cell and also gives shape to it.
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Cell membrane controls the movement of substances 'into the cell' and 'out of the cell'.
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The cell membrane separates the cells from one another and also from the surrounding medium.
B
Correct answer
Explanation
This is the correct option, as this is not a function of the cell membrane.
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Helminths
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Fungi
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Protozoa
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Bacteria
B
Correct answer
Explanation
Ringworm occurs when a type of fungus called Tinea grows and multiplies on skin.
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It serves as a channel for the transport of materials between various regions.
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It acts as a cytoplasmic framework and provides a surface for biochemical processes in a cell.
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It helps in the detoxification of drugs and poisons.
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It helps in the synthesis of lysosomes.
D
Correct answer
Explanation
ER doesn't helps in the synthesis of lysosomes.