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Home » Medical Papers » UHS MDCAT » Aptitude Test - 14
1.Antibiotics act against:
A. Bacterial Diseases
B. Allergies
C. Bacterial and Viral Diseases
D. Bacterial Diseases
2.Immediate source of energy for cellular metabolism is:
A. Lipids
B. ATP
C. Carbohydrates
D. Lipids
3.Haemoglobin exhibits:
A. Secondary Structure
B. Primary Structure
C. Quaternary Structure
D. Secondary Structure
4.Pepsin enzyme is produced in an inactive form and is activated in situation when it is required because:
A. Not produced in complete form
B. Quite capable of destroying cells internal structure
C. It does not work efficiently at that time
D. Not produced in complete form
5.Enzyme after catalysis detaches itself from the product:
A. Completely
B. Incompletely
C. Changed
D. Completely
6.A group of ribosomes attached to messenger RNA is known as:
A. Ribosome
B. Lysosome
C. Nucleosome
D. Ribosome
7.Detoxification of harmful drugs within the cell is done by:
A. Nucleolus
B. Smooth Surface Endoplasmic Reticulum
C. Ribosomes
D. Nucleolus
8.Tay-Sach’s disease is due to the presence of an enzyme that is inverted in the catabolism of:
A. Proteins
B. Carbohydrates
C. Ascorbic Acid
D. Proteins
9.What is true about pattern baldness?
A. It is autosomal recessive disease in males
B. It is autosomal dominant disease in males
C. It is X-linked disease
D. It is autosomal recessive disease in males
10.Symptoms of Herpes Simplex is:
A. Abdominal Pain
B. Fever
C. Vesicular lesions in the epithelial layer
D. Abdominal Pain
11. The major cell infected by the HIV is:
A. Leucocyte
B. Monocyte
C. Helper T-lymphocyte
D. Leucocyte
12. ___________ are used as important vectors in genetic engineering.
A. Ribosomes
B. Plasmids
C. Nucleoids
D. Ribosomes
13.Which of the following is aerobic bacterium?
A. Spirochete
B. Cyanobacteria
C. E. coli
D. Spirochete
14. The giant amoebas inhabit mud at the bottom of fresh water ponds and obtain energy from:
A. Microscopic bacteria
B. Aerobic bacteria
C. Anaerobic bacteria
D. Microscopic bacteria
15.A large group of parasitic protozoa, some of which causes various diseases such as malaria to humans, are:
A. Aschelminthes
B. Platyhelminthes
C. Annelida
D. Aschelminthes
16.Penicillin is obtained from:
A. Penicillium notatum
B. Aspergillus flavus
C. Aspergillus fumigatus
D. Penicillium notatum
17.Which of the following components is less resistant to decay?
A. Lignin
B. Starch
C. Chitin
D. Lignin
18. __________ are bioindicators of air pollution.
A. Cyanobacteria
B. Fungi
C. Mycorrhiza
D. Cyanobacteria
19.The gymnosperms are called ‘Naked Seeded’ plants because they bear naked:
A. Antheridia
B. Ovules
C. Fruits
D. Antheridia
20. The integumented indehiscent mega sporangium is called:
A. Seed
B. Megagametophyte
C. Archegonium
D. Seed
21.Pulses are present in the family:
A. Caesalpinlaceae
B. Fabaceae
C. Gramineae
D. Caesalpinlaceae
22. It is an endoparasite of humans, cattle and pig that completes its life cycle in two hosts:
A. Tapeworm
B. Aurelia
C. Liver fluke
D. Tapeworm
23.Tse-tse fly causes the sleeping sickness and skin diseases by transmitting:
A. Plasmodium
B. Trypanosoma
C. Anopheles
D. Plasmodium
24.Coelem is a cavity lined by:
A. Mesoderm
B. Endoderm
C. Epiderm
D. Mesoderm
25. Which of the following molecules is reduced by accepting hydrogen in Calvin Cycle?
A. Glyceraldehyde-3-phosphate
B. Ribulose bisphosphate
C. 3-Phosphoglycerate
D. Glyceraldehyde-3-phosphate
26. The molecule formed after first phosphorylation during glycolysis is:
A. Fructose-6-phosphate
B. Fructose-1, 6-bisphosphate
C. Glucose-1-phosphate
D. Fructose-6-phosphate
27.Krebs Cycle in mitochondria takes place in:
A. Cytosol
B. Matrix
C. Outer Membrane
D. Cytosol
28.t the junction between esophagus and the stomach there is a special ring of muscles called:
A. Cardiac Sphincter
B. Ileocolic Sphincter
C. Esophageal Sphincte
D. Cardiac Sphincter
29.Hepatic and pancreatic secretions are also stimulated by a hormone called:
A. Gastrin
B. Secretin
C. Insulin
D. Gastrin
30.Like pepsin, trypsin is also secreted as inactive trypsinogen, which is activated by
A. Enterokinase
B. Lipase
C. Chyme
D. Enterokinase
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