Solved Past Papers MCQs of MDCAT for the preparation of Medical and Dental College Admission Test and other medical tests.
Q.151 Pseudo-coelomates have a body cavity but it is not true coelom. Which one of the following is included in the group.
A) Planaria C) Earthworm
B) Tapeworm D) Ascaris
Q.152 Digestion of __________ starts in oral cavity due to the action of enzyme present in saliva.
A) Starch C) Fatty Acids
B) Cellulose D) Polypeptides
Q.153 Food enters from stomach into small intestine through:
A) Pyloric Sphincter C) Semilunar valve
B) Cardiac Sphincter D) Diaphragm
Q.154 ___________ are the part of a gastric gland which produce hydrochloric acid.
A) Parietal Cells C) Chief Cells
B) Goblet Cells D) Zymogen Cells
Q.155 Protein components of food are digested by the enzymatic secretion of:
A) Goblet Cells C) Zymogen Cells
B) Parietal Cells D) Oxyntic Cells
Q.156 Digestive System consists of different layers, the innermost is known as:
A) Submucosa C) Muscularis
B) Mucosa D) Serosa
Q.157 In human the closed sac which surrounds the heart is:
A) Endocardium C) Pericardium
B) Myocardium D) Epicardium
Q.158 Chordae tendinea are fibrous cords attached with:
A) Cardiac end of stomach valve C) Pyloric sphincter of stomach
B) Tricuspid valve of heart D) Eyelid
Q.159 Bicuspid valve controls the flow of blood from:
A) Right atrium to right ventricle C) Left ventricle to aorta
B) Right ventricle to pulmonary artery D) Left atrium to left ventricle
Q.160 Carboxyhaemoglobin (10-20%) is formed when CO2 combines with:
A) Amino group of haemoglobin C) Haem portion of haemoglobin
B) Iron part of haemoglobin D) Plasma proteins
Q.161 Breathing consists of:
A) Four phases C) One phase
B) Three phases D) Two phases
Q.162 Bowman’s capsule continues as extensively convoluted portion known as:
A) Peritubular capillaries C) Efferent arterioles
B) Proximal convoluted tubules D) Afferent arterioles
Q.163 Restriction endonucleases cleave the __________ of duplex DNA.
A) Nitrogenous base C) Phosphodiester bond
B) Base sugar D) Hydrogen bond
Q.164 The enzyme which is responsible for the formation of bond between two double stranded DNA fragments is:
A) Endonuclease C) Ligase
B) Urease D) Helicase
Q.165 The organisms of third trophic level are:
A) Primary consumer C) Tertiary consumer
B) Primary producer D) Secondary consumer
Q.166 The ultimate source of energy in an ecosystem is:
A) Photosynthesis C) Plants
B) Sun D) Water
Q.167 All the food chains and food webs begin with:
A) Detritus C) Green plants
B) Herbivores D) Omnivores
Q.168 The change from bare rock or open area is rapid, especially in the initial stages and follows a series of recognizable and hence predictable stages. This process is called:
A) Pioneers C) Succession
B) Xerosere D) Secondary succession
Q.169 The decline in the thickness of ozone layer is caused by:
A) Increasing level of nitrogen oxide C) Decreasing level of CFCs
B) Decreasing level of O2 D) Increasing level of CFCs
Q.170 Which one of the following is considered as strong evidence of evolution?
A) Embryology Record C) Biochemical Record
B) Molecular Record D) Fossil Record
Q.171 Structures found in different species which are believed to have a common evolutionary origin are called:
A) Homologous C) Vestigial
B) Analogous D) Fossilized
Q.172 Which one of the following is X-linked trait?
A) Male pattern baldness C) Haemophilia
B) Diabetes mellitus D) Erythroblastosis fietalis
Q.173 A character determined by three alleles is:
A) Human skin colour C) Human eye colour
B) Human blood group D) Human Rh factor
Q.174 The total number of genes in a population is called:
A) Gene pool C) Genome
B) Allele pool D) Genomic library
Q.175 _____________ is the branch of Biology used for the identification and interpretation of fossils.
A) Evolution C) Zoogeography
B) Paleontology D) Biodiversity
READ MORE:
- Solved Past Papers MCQs of MDCAT 1
- Solved Past Papers MCQs of MDCAT 3
- Solved Past Papers MCQs of MDCAT 4
