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Quiz 3
Mdcat-past-papers - IBA Quiz
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Board: IBA |
41. The appendix is attached to which part of large intestine?
Rectum
Caecum
Colon
Ileum
42. Which structural characteristic is most accurate for arteries?
Thin walls with valves
Thick and muscular walls
Highly permeable walls
Large lumen lacking muscle
43. A food sample contains long chains of amino acids bounded together. This indicates the presence of:
Carbohydrates
Lipids
Proteins
Nucleic acids
44. Monoclonal antibodies are useful in cancer diagnosis by:
Replacing damaged tissue
Changing the genetic code of cancer cells
Killing healthy cells to reduce tumor spread
Detecting specific tumor markers in samples
45. The main function of the pharynx in respiratory system:
Serves as passage for both food and air
Produces mucus
Produces voice
Filters air
46. The main cause of acute kidney failure is:
Less sweating,
Hypothermia
Liver failure
Drinking of excess water
47. During diastole, the heart chambers:
Relax and fill with blood
Contract strongly
Eject blood into arteries
Remain closed
48. Kidneys perform their osmoregulatory role under the effect of Antidiuretic Hormone, which type of urine is produced in this situation?
Hypotonic urine with decreased volume
Hypotonic urine with increased volume
Hypertonic urine with decreased volume
Hypertonic urine with increased volume
49. A person has swollen lymph nodes after throat infection. What does this indicate?
Failure of circulatory system
Extra glucose storage
Active immune response
Blockage of digestive track
50. Which of the following is correct about the structure of brain?
Cerebral cortex is outer part consists of grey matter
Cerebral medulla is inner part consists of grey matter
Cerebral cortex is inner part consists of white matter
Cerebral medulla is outer part consists of white matter
51. Under a microscope plant cells appeared rigid in shape, unlike flexible animal cells. Which structure explain this difference?
Cell wall
Vacuole
Cytoskeleton
Plasma membrane
52. Which type of joint allows bending of the elbow joint and has a synovial cavity?
Cartilaginous joint
Fibrous joint
Public symphysis
Hinge joint
53. If a round seeded pea plant is self-fertilized and all of its offspring are also round seeded:
Both parents and offspring must be true breed
Both parents and offspring may be true breed
Only parents but not offspring will be true breed
Only offspring but not parents will be true breed
54. A student observes a microorganism under a microscope that lacks a nucleus and is made of a single cell. Which classification would best fit this organism?
Unicellular prokaryote
Unicellular eukaryote
Multicellular eukaryote
Multicellular prokaryote
55. In biotechnology vaccines can be developed by cloning of:
Gene for antigen of pathogen
Gene for receptor of the patient
Gene for antigen of patient
Gene for antibody of patient
56. Atrioventricular valve closed during which phase of cardiac cycle:
Ventricular systole
Ventricular diastole
Atrial systole
Atrial diastole
57. If "RRYY" is crossed with "rryy", what will be the ratio of "RRYY" to "rryy" in F2 generation?
9:3:3:1
3:1
1:3
1:1
58. Name the idea of Darwin that best explains the ability of populations to reproduce those individuals who possess beneficial traits.
Gene flow
Genetic drift
Artificial selection
Natural selection
59. At least how many saccharide units must be present in polysaccharide?
1
2
10
11
60. A doctor taps below the knee and the leg kicks forward. What does this show?
A conditional response
Voluntary muscle contractions
An involuntary reflex to external stimuli
A delayed response due to brain processing
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