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Home » Medical Papers » UHS MDCAT » Aptitude Test - 58
1.The modified plasmid or phage DNA is called
A. Clone DNA
B. Recombinant DNA
C. cDNA
D. Clone DNA
2.The rapid exchange of materials through carrier proteins across the plasma membrane is called:
A. Passive Diffusion
B. Active Transport
C. Endocytosis
D. Passive Diffusion
3.The interaction between different genes occupying different loci is:
A. Dominance;
B. Co-dominance
C. Pleiotropy
D. Dominance;
4.The inner membrane of mitochondria form extensive infoldings called:
A. Cristae
B. Cisternae
C. Lamella
D. Cristae
5.Which one of the following organelle is found in both prokaryotic and eukaryotic cells?
A. Centriole
B. Endoplasmic Reticulum
C. Nucleus
D. Centriole
6. The compounds which on hydrolysis yield polyhydroxy aldehyde or ketone subunits are:
A. Lipids
B. Proteins
C. Polynucleotides
D. Lipids
7.Secondary structure of protein is found in:
A. Trypsin
B. Keratin
C. Insulin
D. Trypsin
8.Waxes are formed by combination of fatty acids with:
A. Alcohol
B. Glycerol
C. Serine
D. Alcohol
9.Phosphodiester bond is:
A. P—O—C—P—O—C
B. C—O—P
C. C—O—P—O—C
D. P—O—C—P—O—C
10.An enzyme required Mg++ to catalyze the substrate. The Mg++ is best identified as:
A. Prosthetic group
B. Activator
C. Co-enzyme
D. Prosthetic group
11.According to _________ model the active site of enzyme is modified as the substrate interacts with enzyme
A. Induced fit
B. Lock and Key
C. Emil Fischer
D. Induced fit
12.All viruses can reproduce within living organisms only, so they are known as:
A. Ectoparasites
B. Endoparasites
C. Obligative Intracellular Parasites
D. Ectoparasites
13.Many bacteria are motile due to presence of:
A. Flagella
B. Pilli
C. Cilia
D. Flagella
14._________ is an invagination of cell membrane which helps in cell division
A. Fimbriae
B. Nucleoid
C. Mesosome
D. Fimbriae
15._________ is the yeast that grows in the mucous membrane of mouth or vagina.
A. Candida albicans
B. Saccharomyces cerevisiae
C. Aspergillus fumigatus
D. Candida albicans
16.Taenia is an endoparasite of human, pig and cattle which belongs to phylum.
A. Cnidaria
B. Aschelminthes
C. Annelida
D. Cnidaria
17.Body of _________ consists of segments called proglottis which contains mainly sex organs.
A. Planaria
B. Ascaris
C. Fasciola
D. Planaria
18._________ is a common parasite of the intestine of human and pig which belongs to phylum nematode.
A. Taenia solanum
B. Schistosoma
C. Ascaris lumbriocoides
D. Taenia solanum
19.In radial symmetry all body parts are arranged around the central axis. Radial symmetry represents __________ mode of life.
A. Sessile
B. Streamlined
C. Active
D. Sessile
20. Pseudo-coelomates have a body cavity but it is not true coelom. Which one of the following is included in the group.
A. Planaria
B. Tapeworm
C. Earthworm
D. Planaria
21.Digestion of __________ starts in oral cavity due to the action of enzyme present in saliva.
A. Starch
B. Cellulose
C. Fatty Acids
D. Starch
22.Food enters from stomach into small intestine through:
A. Pyloric Sphincte
B. Cardiac Sphincter
C. Chief Cells
D. Pyloric Sphincte
23.Protein components of food are digested by the enzymatic secretion of:
A. Goblet Cells
B. Parietal Cells
C. Zymogen Cells
D. Goblet Cells
24.Digestive System consists of different layers, the innermost is known as:
A. Submucosa
B. Mucosa
C. Muscularis
D. Submucosa
25.In human the closed sac which surrounds the heart is:
A. Endocardium
B. Myocardium
C. Pericardium
D. Endocardium
26.Chordae tendinea are fibrous cords attached with:
A. Cardiac end of stomach valve
B. Tricuspid valve of heart
C. Pyloric sphincter of stomach
D. Cardiac end of stomach valve
27.Bicuspid valve controls the flow of blood from:
A. Right atrium to right ventricle
B. Right ventricle to pulmonary artery
C. Left ventricle to aorta
D. Right atrium to right ventricle
28.Carboxyhaemoglobin (10-20%) is formed when CO2 combines with:
A. Amino group of haemoglobin
B. Iron part of haemoglobin
C. Haem portion of haemoglobin
D. Amino group of haemoglobin
29.Breathing consists of
A. Four phases
B. Three phases
C. One phase
D. Four phases
30.Bowman’s capsule continues as extensively convoluted portion known as:
A. Peritubular capillaries
B. Proximal convuluted tubules
C. Efferent arterioles
D. Peritubular capillaries
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