Biology - Human Physiology
Exam Duration: 45 Mins Total Questions : 30
Wisdom tooth are
- (a)
last molars
- (b)
last premolars
- (c)
incisors
- (d)
canines
Number of teeth,which grow twice is
- (a)
8
- (b)
14
- (c)
12
- (d)
20
Which of the following is not a function of saliva?
- (a)
To initiate portein digestion
- (b)
To aid in cleansing the teeth
- (c)
To lubricate the pharynx
- (d)
To assist in the formation of a bolus
Which of the following correctly explains a phase/event in cardiac cycle in a standardelectrocardiogram?
- (a)
QRS complex indicates atrial contraction
- (b)
QRS complex indicates ventricular contraction
- (c)
Time between S and T represents atrial systole
- (d)
P-wave indicates beginning of ventricular contraction
Difference between diastole and systole pressure is
- (a)
40
- (b)
60
- (c)
80
- (d)
120
The blood returning to the heart from lungs via pulmonary vein has more
- (a)
RBC per mL of blood
- (b)
haemoglobin per mL of blood
- (c)
oxygen per mL of blood
- (d)
nutrient per mL of blood
The most important function of diaphragm of the mammals is to
- (a)
divide the body cavity into compartment
- (b)
protect lungs
- (c)
aid in respiration
- (d)
aid in ventilation
The factor which does not affect the rate of alveolar diffusion is
- (a)
solubility of gases
- (b)
thickness of gases
- (c)
pressure gradient
- (d)
concentration gradient
- (e)
reactivity of the gases
The organic nutrients are
- (a)
carbohydrates
- (b)
lipids
- (c)
proteins
- (d)
All of the above
In a recently found Continuous Ambulatory Peritoneal Dialysis (CAPD), the dialysing membrane used is
- (a)
cellophane membrane
- (b)
egg membrane
- (c)
peritoneum membrane
- (d)
All of the above
Glucose and amino acids are reabsorbed in the
- (a)
proximal tubule
- (b)
distal tubule
- (c)
collecting duct
- (d)
loop of Henle
Hastate plate is present in which part of the alimentary canal?
- (a)
Cardiac stomach
- (b)
Pyloric stomach
- (c)
Fundic stomach
- (d)
Intestine
Loop of Henle is associated with
- (a)
excretory system
- (b)
respiratory system
- (c)
reproductive system
- (d)
digestive system
Uricotelic group of animals is
- (a)
frog, green lizard and fish
- (b)
garden lizard, crow and eagle
- (c)
cow, dog and sheep
- (d)
tiger, salamander and lizard
Cushing's syndrome and myxoedema are associated with these glands respectively
- (a)
thyroid, adrenal
- (b)
adrenal, thyroid
- (c)
parathyroid, thyroid
- (d)
adrenal, pituitary
Which of the damaged cells cannot be repaired?
- (a)
Liver cells
- (b)
Brain cells
- (c)
Bone cells
- (d)
Epidermal cells
Abnormally high blood pressure is known as
- (a)
hypotension
- (b)
RHD
- (c)
hypertension
- (d)
CAD
Pituitary dwarfism is caused due to
- (a)
hypothyroidism
- (b)
hyperthyroidism
- (c)
deficiency of GH
- (d)
excess secretion of GH
Which hormones do stimulate the pancreatic juice and bicarbonate?
- (a)
Angiotensin and epinephrine
- (b)
Gastrirsand insulin
- (c)
Cholecystokinin and secretin
- (d)
Insulin and glucagon
Which of the following substances, if introduced in the blood stream, would cause coagulation, at the site of its introduction?
- (a)
Fibrinogen
- (b)
Prothrombin
- (c)
Heparin
- (d)
Thromboplastin
A patient suffering from cholera is given saline drip because
- (a)
Cl- ions are important component of blood plasma
- (b)
Na+ ions help to retain water in body
- (c)
Na+ ions are important in transport of substances across membrane
- (d)
Cl- ions help in the formation of HCl in stomach for digestion
Conversion of fibrinogen to fibrin is catalysed by
- (a)
thrombin
- (b)
prothrombin
- (c)
thromboplastin
- (d)
all of these.
Which of the following statement(s) regarding the cardiac system is/are correct?
(i) Human heart is an ectodermal derivative.
(ii) Mitral valve guards the opening between the right atrium and left ventricle.
(iii) SAN is located on the left upper corner of the right atrium.
(iv) Stroke volume x Heart rate = Cardiac output.
- (a)
(i) only
- (b)
(i) and (ii)
- (c)
(ii) and (iii)
- (d)
(iv) only
Read the given statements and select the correct option.
Statement 1: Articulation between the occipital condyles and the atlas vertebra forms a hinge joint.
Statement 2: It permits the head to move in one plane only, i.e., nodding of head.
- (a)
Both statements 1 and 2 are correct
- (b)
Statement 1 is correct but statement 2 is incorrect
- (c)
Statement 1 is incorrect but statement 2 is correct
- (d)
Both statements 1 and 2 are incorrect
Insulin is secreted by_____of pancreas.
- (a)
\(\alpha\)-cells
- (b)
\(\delta\)-cells
- (c)
\(\beta\)-cells
- (d)
none of these
How much oxygen will be released to the tissues by blood on passing from lungs to tissues?
- (a)
15 mL of O2/100 mL of blood
- (b)
70 mL of O2/100 mL of blood
- (c)
5 mL of O2/ 100 mL of blood
- (d)
20 mL of O2/ 100 mL of blood
Which of the following is not a function of locomotion?
- (a)
Procurement of food
- (b)
Finding mate
- (c)
Peristaltic movement
- (d)
Searching and building of shelter
In man and other mammals, air passes from outside into the lungs through
- (a)
Nasal cavity, larynx, pharynx, trachea, bronchi, alveoli
- (b)
Nasal cavity, larynx, pharynx, trachea, bronchioles, alveoli
- (c)
Nasal cavity, pharynx, larynx, trachea, bronchioles, bronchi, alveoli
- (d)
Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli
Which of the following can be termed as opposite of Bohr's effect?
- (a)
Haldane's effect
- (b)
Hamburger's phenomenon
- (c)
Hering-Breuer reflex
- (d)
None of these
Which of the following statement is incorrect w.r.t histology of alimentary canal?
- (a)
Serosa is the outermost layer made up of a thin mesothelium with some connective tissue
- (b)
Muscularis layer is formed by smooth muscules usually arranged into an inner longitudinal layer and outer circular layer
- (c)
Submucosal layer is formed of loose connective tissue
- (d)
An oblique muscle layer may be present in stomach