- 1MCQ: The ribs moves upwards and outwards when we
- A.
inhale
- B.
exhale
- C.
digestion
- D.
defecate
- Answer A
- 2MCQ: More than half of total blood volume is the
- A.
red and blood cells
- B.
plasma
- C.
platelets
- D.
all of them
- Answer B
- 3MCQ: The special organ in mammals, birds and reptiles is
- A.
lungs
- B.
air sacs
- C.
stomata
- D.
spiracles
- Answer A
- 4MCQ: Platelets help in blood
- A.
producing
- B.
rejuvenating
- C.
clotting
- D.
purifying
- Answer C
- 5MCQ: The circulatory system of human is composed of
- A.
heart
- B.
blood
- C.
blood vessels
- D.
all of them
- Answer D
- 6MCQ: Ventricles are chambers of heart which are
- A.
upper
- B.
lower
- C.
middle
- D.
valves
- Answer B
- 7MCQ: There is surrounding of rich capillaries around
- A.
trachea
- B.
alveoli
- C.
nostril
- D.
bronchi
- Answer B
- 8MCQ: A pale yellow liquid in which blood cells n platelets are suspended is
- A.
plasma
- B.
fluid
- C.
cytoplasm
- D.
liquid
- Answer A
- 9MCQ: The smaller sub divisions of arteries in many tiny blood vessels are called
- A.
plasma
- B.
veins
- C.
valves
- D.
capillaries
- Answer D
- 10MCQ: The de-oxygenated blood from parts of body is received by
- A.
right side
- B.
left side
- C.
atrium
- D.
ventricle
- Answer A
- 11MCQ: The larger blood vessels which carry blood back to heart are
- A.
arteries
- B.
veins
- C.
valves
- D.
capillaries
- Answer B
- 12MCQ: Insects breath through small holes in their body called
- A.
lungs
- B.
air sacs
- C.
stomata
- D.
spiracles
- Answer D
- 13MCQ: The external part of nose through which air enters is called
- A.
trachea
- B.
alveoli
- C.
nostril
- D.
bronchi
- Answer C
- 14MCQ: The air which we breath in is called
- A.
inhaled air
- B.
exhaled air
- C.
circulated air
- D.
deoxygenated air
- Answer A
- 15MCQ: The blood is mixture of
- A.
red and blood cells
- B.
plasma
- C.
platelets
- D.
all of them
- Answer D
- 16MCQ: The blood vessels
which carry blood away from heart to body parts are called
- A.
arteries
- B.
veins
- C.
valves
- D.
capillaries
- Answer A
- 17MCQ: Bronchioles are further sub division of
- A.
trachea
- B.
alveoli
- C.
nostril
- D.
bronchi
- Answer D
- 18MCQ: The muscular organ which pushes blood to all parts of body is called
- A.
heart
- B.
blood
- C.
blood vessels
- D.
liver
- Answer A
- 19MCQ: The organism which carry out both aerobic and anaerobic respiration
is
- A.
plants
- B.
cow
- C.
deer
- D.
yeast
- Answer D
- 20MCQ: The size of heart is about the size of
- A.
clenched fist
- B.
palm
- C.
small finger
- D.
foot
- Answer A
- 21MCQ: Human beings have
specialized structure to carry out exchange of gases called
- A.
respiratory system
- B.
digestion system
- C.
nervous system
- D.
circulatory system
- Answer A
- 22MCQ: The blood which is oxygenated in lungs is carried to heart by
- A.
pulmonary veins
- B.
carotid veins
- C.
aorta
- D.
jugular vein
- Answer A
- 23MCQ: Blood collects oxygen from inhaled air and gives off carbon dioxide in the
- A.
lungs
- B.
liver
- C.
kidneys
- D.
heart
- Answer A
- 24MCQ: Respiration which takes place in the absence of oxygen is called
- A.
cellular respiration
- B.
aerobic respiration
- C.
anaerobic respiration
- D.
breathing
- Answer C
- 25MCQ: There is higher concentration of oxygen in
- A.
inhaled air
- B.
exhaled air
- C.
circulated air
- D.
deoxygenated air
- Answer A
- 26MCQ: The distance which
is travelled by an average red blood cell is equal
to
- A.
1500km
- B.
1200km
- C.
2100km
- D.
5100km
- Answer A
- 27MCQ: Heart is made of specialized
- A.
cardiac muscles
- B.
connective tissues
- C.
both a and b
- D.
skeletal sphincters
- AnswerC
- 28MCQ: The composition of red blood cells have specialized protein called
- A.
iron
- B.
chlorophyll
- C.
copper
- D.
silver
- Answer A
- 29MCQ: The transport system of blood by special organ heart constitutes
- A.
circulatory system
- B.
respiratory system
- C.
digestion system
- D.
nervous system
- Answer A
- 30MCQ: The life span of red blood cells is
- A.
2 months
- B.
45 days
- C.
4 months
- D.
12 days
- Answer C
- 31MCQ: Exhaled air is the air which we
- A.
breath in
- B.
breath out
- C.
transport in body
- D.
use under water
- Answer B
- 32MCQ: The division of windpipe is done in two
- A.
bronchioles
- B.
alveoli
- C.
nostril
- D.
bronchi
- Answer D
- 33MCQ: The small air sacs which are present at the end are called
- A.
trachea
- B.
alveoli
- C.
nostril
- D.
bronchi
- Answer B
- 34MCQ: The number of chambers in a heart is
- A.
2
- B.
3
- C.
4
- D.
1
- Answer C
- 35MCQ: A long wind pipe in which air enters when we breath is called
- A.
trachea
- B.
alveoli
- C.
nostril
- D.
bronchi
- Answer A
- 36MCQ: The upper small chambers are called as
- A.
atria
- B.
ventricle
- C.
systole
- D.
diastole
- Answer A
- 37MCQ: The protein which is red in color and present in blood is called
- A.
hemoglobin
- B.
red cells
- C.
platelets
- D.
iron cells
- Answer A
- 38MCQ: Capillaries are
- A.
thin
- B.
transfer oxygen
- C.
transfer digested food
- D.
all of them
- Answer D
- 39MCQ: The process by
which glucose reacts with oxygen in cells in order to
release energy gradually is called
- A.
cellular respiration
- B.
aerobic respiration
- C.
anaerobic respiration
- D.
breathing
- Answer B
- 40MCQ: The process by
which energy is released from glucose or other food
molecules in the cell of living organisms is called
- A.
respiration
- B.
transpiration
- C.
digestion
- D.
defecation
- AnswerA
- 41MCQ: The function of white blood cells is to provide
- A.
support
- B.
immunity
- C.
nutrients
- D.
transport gases
- Answer B
- 42MCQ: A sheet of muscles which
contracts or flatten when we breath is
called
- A.
diaphragm
- B.
ribs
- C.
lungs
- D.
stomach
- Answer A
- 443MCQ: When atria contracts, ventricles
- A. relax
- B. also contract
- C. squeeze
- D. block
- Answer A
- 44MCQ: The function of the valves is to
- A. transfer the blood from
atria to ventricles
- B. stop the backflow of blood
- C. help chambers to contract
- D. help chambers to relax
- Answer B
- 45MCQ: The muscles of the atria and ventricles
squeeze to
- A. move the blood
- B. make some space for blood
- C. make space for air
- D. build a vacuum
- Answer A
- 46MCQ: When ventricles contract, atria
- A. relaxes
- B. also contracts
- C. squeezes
- D. blocks
- Answer A
- SHAILESH GUPTA
- FROM- CHHATTISGARH
- ANY PROBLEM ABOUT THIS MQCs PLEASE CONTACT – MY TELEGRAM CHANNEL @TRICKERA2Z @MEDICAL TUBER
