NEET Biology MCQ - Mcq On Human Physiology - Quiz-1 Solution

Q.1.

Which of the following are proteolytic enzymes

33%
Ptyalin, trypsin, pepsin
36%
Erepsin, trypsin, pepsin
17%
Lipase, erepsin, trypsin
15%
Pepsin, nuclease, nucleotidase

Q.2.

Which of the following statements is correct

16%
Villkinin is secreted by large intestine
24%
Succus entericus has pH of 2.8
40%
Brunner's glands are found in jejunum
19%
Argentaffin cells produce serotonin

Q.3.

Select the incorrect match

9%
Bradycardia - slow heartbeat
13%
Tachycardia - fast heartbeat
43%
Thrombosis - decrease blood flow to brain
35%
Heart Attack - death of heart muscle

Q.4.

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule

22%
decrease in aldosterone level
29%
increase in aldosterone levels
34%
decrease in antidiuretic hormone levels
15%
increase in antidiuretic hormone levels

Q.5.

Visiting high mountain main cause altitude sickness in men living in plain areas. Prime cause of this is

21%
excess of \(CO_2\) in blood
10%
decrease deficiency of haemoglobin
56%
decreased partial pressure of oxygen
14%
increased proportion of oxygen in air

Q.6.

Between Breaths the intrapleural pressure is approximately …….. mm Hg less than atmospheric pressure

34%
4
32%
8
15%
1
19%
10

Q.7.

Haldane effect plays an important role in promoting carbon dioxide transport than the Bohr's effect in promoting oxygen transport because

44%
oxyhaemoglobin is a stronger acid which donates hydrogen ion which in turn displace carbon dioxide from blood
28%
carbaminohemoglobin is a stronger acid with splits into hydrogen and bicarbonate
8%
carbon dioxide is less soluble in venous blood than in arterial blood.
20%
carbon dioxide reacts with water to form carbonic acid that lowers the pH in tissues

Q.8.

Identify the correct statement with reference to transport of respiratory gases by blood

11%
only oxygen is transported by blood
25%
Hemoglobin is necessary for transport of carbon dioxide and carbonic anhydrase for transport of oxygen
12%
only carbon dioxide is transported by blood
52%
haemoglobin is necessary for transport of Oxygen and carbonic anhydrase for transport of carbon dioxide

Q.9.

Select the incorrect statement

37%
ADH decreases the reabsorption of water in the DCT and collecting duct
23%
A normal adult person secretes about 1.5 litres of urine in 24 hours
14%
Tubular reabsorption takes place by passive and active transport
26%
Cortical nephrons control plasma volume under normal water supply

Q.10.

The joint found in head of upper arm and pectoral girdle is

59%
Ball and socket joint
17%
Saddle joint
17%
Hinge Joint
7%
Gliding joint

Q.11.

Intervertebral disc is found in the vertebral column of

40%
mammals
22%
amphibian
20%
reptiles
18%
birds

Q.12.

Which of the following changes occur in diaphragm and intercostal muscles when expiration of air takes place

12%
none of these
17%
Internal intercostal muscles relax and diaphragm contracts
31%
external intercostal muscles and diaphragm relax External intercostal muscles and diaphragm contract
40%
Internal intercostal muscle contract and diaphragm relax

Q.13.

Which of the following conditions causes filling of urinary bladder

28%
Contraction of detrusor muscle of urinary bladder and relaxation of internal sphincter
36%
Relaxation of detrusor muscle of urinary bladder and construction of internal sphincter
19%
Construction of detrusor muscle of urinary bladder and internal sphincter
17%
Relaxation of detrusor muscle of urinary bladder and internal sphincter

Q.14.

In the Gastrointestinal tract, Meissner's plexus and the Auerbach's plexus occur respectively in the

25%
submucosa and muscularis externa
22%
submucosa and mucosa
32%
mucosa and muscularis externa
20%
lamina propria and muscularis mucosa

Q.15.

A fall in glomerular filtration rate (GFR) activates

16%
posterior pituitary to release vasopressin
18%
adrenal medulla to release adrenaline
58%
juxtaglomerular cells to release renin
9%
heart to release atrial natriuretic factor

Q.16.

Cardiac activity could be moderated by the autonomous neural system. Which of the following statements is correct

16%
The sympathetic system stimulates heart rate and stroke volume
30%
The sympathetic system decreases the heart rate but increases stroke volume
30%
The parasympathetic system stimulates heart rate and stroke volume
25%
The parasympathetic system decreases the heart rate but increases stroke volume

Q.17.

Which one of the following is a skull bone

30%
Atlas
15%
Arytaenoid
28%
Coracoid
26%
Pterygoid

Q.18.

Which one of the following statements is true

28%
head of humerus bone articulates with the cavity called acetabulum of pelvic girdle
28%
head of humerus bone articulates with fluoride cavity of pelvic girdle
32%
head of humerus bone articulates with glenoid cavity of pectoral girdle
12%
head of humerus bone articulates with acetabulum of pectoral girdle

Q.19.

Which of the following excretory organ is correctly matched with the organism in which it is found

17%
Malpighian tubule - Annelids
10%
Nephridia - Crustaceans
26%
Antennal gland or green gland - Insects
48%
Flame cells - Platyhelminthes

Q.20.

The binding of oxygen with haemoglobin tends to displace carbon dioxide from the blood. This phenomenon is known as

28%
Bohr effect
38%
oxygen dissociation curve
30%
Haldane effect
5%
Hamburger's phenomenon

Support mcqgeeks.com by disabling your adblocker.