MDCAT BIOLOGY MCQs
MDCAT Biology MCQs are collected for the online preparation of mdcat entry test examination.
MDCAT Biology MCQs Test No.7
MDCAT Biology MCQs are arranged for online preparation of mdcat. All mcq are according to mcat new syllabus. So students can read online for entry test preparation. These tests are arranged in chapter wise. To start final preparation you should read all previous tests published at this blog from MDCAT Biology MCQs test no.1 to test no.10.
Which one element is present in trace amount in human body
a)copper (c) chlorine
b)sodium (d) sulphur
Which one is dynamic collection of organisms.
(a) organ system (c) community
(b) population (d) Biome
AIDS is caused by
a)HIV (c) blood transfusion
(b) sexual contact (d) all
Eugenic aims are achieved by
(a) biological control (c) bio
remediation
(b) cloning (d) gene therapy
The main function of sodium bicarbonate is
(a) to moist the food
(c) to stabilize the pH of food
(b) to digest the fatty food
(d) to kill the micro organism
Oxyntic cells secrete
(a) mucus and water (c) HCl
(b) NaHCO3 (d) pepsinogen
Gall bladder stone is the result of precipitation of
(a) bile pigments (c) mucus
(b) cholestrol (d) bile juice
Many humans develop intestinal gas and diarrhoea from consuming
milk product because they lack
(a) lactase (c) lipase
(b) maltase (d) Erypsin
Trypsinogen is activated by
(a) acidic medium (c) trypsin
(b) alkaline medium (d) enter okinase
Goblet cells secrete
(a) Amylase (c)
HCl
(b) Mucus
(d) Pepsin
The nasal cavity leads into pharynx by
(a) single opening (c) three openings
(b) two openings (d) four openings
Bronchi on entering lungs divide and subdivide to form
(a) Bronchi
(c) Airsacs
(b) Bronchioles (d) Alveoli
Which form the surfactant of alveoli
(a) Glycolipids (c) Lipoproteins
(b) Glycoproteins (d) only lipids
5% CO2 is carried by
(a) Haemoglobin (c) HCO3
(b) Plasma protein (d) potassium
Plasma is primarily
(a) protein (c) nutrient
(b) water (d) organic molecule
Which one is precursor of steroid hormones
(a) phospholipid (c) cholestrol
(b) lactic acid (d) glucose
Which are the most numerous of the cells of blood
(a) Erthrocytes (c) Basophils
(b) Neutrophils (d) Monocytes
Which inactivates inflammation producing substances
(a) neutrophils (c) monocytes
(b) Basophils (d)
Eosinophils
Biconcave disc without nucleus and 8um in diameter
(a) platelets (c) monocytes
(b) lymphocytes (d) Erthrocytes
Blood provides immunity by
(a) monocytes (c) lymphocytes
(b) neutrophils (d) Megakarocytes
The wall of left ventrical is how many times thicker than that of
right ventricle
(a) two (c) four
(b) three (d) five
Which protect the heart from over extension
(a) Epicardium (c)
Endocardium
(b) Myocardium (d)
Pericardium
The liver recieves deoxygenated blood through
(a) vena cava (c)
Hepatic portal vein
(b) Hepatic vein (d) Iliac
vein
Lymph capillaries end blindly in
(a) thoracic lymphatic duct
(c) Lymph nodes
(b) sub clavian vein
(d) body tissues
Lacteals are present with in
(a) Spleen (c) villi
(b) liver (d) lymph
nodes
Antigen binding sites are present on
(a) only on heavy chain
(c) only on two heavy chains
(b) only on light chains
(d) heavy and light chains
The influence of thymus gland is essential
(a) in making B-cells
(c) in making T and B cells
(b) in making T-cells
(d) for sexuality
Antigen – Antibody complexes are taken up by
(a) Immunogen (c) Phagocytes
(b) Antiserum (d) Antitoxins
Which one is involved in physical barrier to defend the body
against the foreign invaders
(a) skin (c) phagocytes
(b) T-lymphocytes (d) Immune system
(a) Artificially induced active immunity
(b) Naturally induced
active immunity
(c) passive immunity
(d) all
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