MCQ Snacks -one Liners
This quiz titled 'MCQ Snacks - One liners' features multiple-choice questions on biochemistry and molecular biology topics, including amino acids, UV absorption, and cell membrane components.
- 1.
Choose correct statements
- A.
Origin of muscles moves during contractions
- B.
Insertion of muscle is fixed during contractions
- C.
None
- D.
Both
Correct Answer
C. NoneExplanation
origin- fixed
insertion- movesRate this question:
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- 2.
Maximum absorption of UV light by?
- A.
Tryptophan
- B.
Phenylalanine
- C.
Tyrosine
- D.
All absorb equally
Correct Answer
A. TryptophanExplanation
all 3 absorbs UV light but trypto maximumRate this question:
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- 3.
Choose incorrect option
- A.
Phase 2 xenobiotics reaction conducted by microsomal enzymes
- B.
Glucoronidation by microsomal conjugation
- C.
Methylation is phase 2 reaction
- D.
Hydrolysis is phase 1 reaction
Correct Answer
A. Phase 2 xenobiotics reaction conducted by microsomal enzymesExplanation
phase 2 by non microsomal enzymes except glucoronidationRate this question:
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- 4.
Which are semi essential amino acids
- A.
Arginine and histidine
- B.
Cysteine
- C.
Tyrosine
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
mnemonic: ACTHRate this question:
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- 5.
Choose correct statement a] stop codon for selenocysteine is UGA b] stop codon for pyrrolysine is UAG c] Sakaguchi test is for Arginine d] Arginine contains guanidium group
- A.
Abc
- B.
Abcd
- C.
Bcd
- D.
Acb
Correct Answer
B. AbcdExplanation
The correct answer is abcd. This is because:
a] The stop codon for selenocysteine is UGA.
b] The stop codon for pyrrolysine is UAG.
c] Sakaguchi test is for Arginine.
d] Arginine contains a guanidium group.Rate this question:
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- 6.
True about eukaryotic cell membranes?
- A.
Triglycerides present
- B.
Lecithin is most abundant phospholipid
- C.
Both
- D.
None
Correct Answer
B. Lecithin is most abundant phospholipidExplanation
triglycerides absentRate this question:
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- 7.
Choose correct option
- A.
Endometriosis is not seen in brain
- B.
Endometriosis is not seen in liver
- C.
Endometriosis is only seen in ovary and uterus
- D.
Endometriosis is not seen in spleen
Correct Answer
D. Endometriosis is not seen in spleenExplanation
endometriosis is seen in all organs except SPLEENRate this question:
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- 8.
True about Duane retraction syndrome
- A.
Limit of adduction in type 1
- B.
Limit of abduction in type 2
- C.
Limit of both in type 3
- D.
All of the above
Correct Answer
C. Limit of both in type 3Explanation
limit of abduction in type 1
adduction in type 2Rate this question:
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- 9.
Choose incorrect statement
- A.
Thalassemia preotects against falciparum malaria
- B.
Thalassemia protects against vivax malaria
- C.
Absence of duffy antigen on RBC is protective against vivax malaria
- D.
None
Correct Answer
B. Thalassemia protects against vivax malariaExplanation
alpha thal makes susceptible to vivax malariaRate this question:
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- 10.
True about drug induced thrombocytopenia
- A.
Usually occurs within 24 hours of exposure
- B.
In abciximab it occurs after 7 days of exposure
- C.
Both
- D.
None
Correct Answer
D. NoneExplanation
usually after 7 days
in Gp2b/3a inhibitors [abciximab] after 24 hoursRate this question:
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- 11.
True about Tasimelteon
- A.
Used for insomnia
- B.
Melatonin receptor antagonist
- C.
More selective for MT 2 receptors
- D.
All of the above
Correct Answer
C. More selective for MT 2 receptorsExplanation
receptor AGONIST
used for "non 24 hour sleep wake disorder"
Ramelteon is used for insomniaRate this question:
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- 12.
A young male with difficulty in walking and following sign present. true statement about this condition
- A.
X linked dominant
- B.
Gower's sign present
- C.
Xq21 involved
- D.
None
Correct Answer
B. Gower's sign presentExplanation
DMD: x linked recessive
Xp21 gene
pseudohypertrophy of calfRate this question:
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- 13.
True about this condition associated with esophagus
- A.
Eosinophilic esophagitis
- B.
Herpetic esophagitis
- C.
Barret esophagus
- D.
Schatzki rings
Correct Answer
A. Eosinophilic esophagitisExplanation
it is feline esophagus caused due to eosinophilic esophagitisRate this question:
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- 14.
Least common functioning tumor of pituitary
- A.
Lactotrope
- B.
Oncocytoma
- C.
Somatotrope
- D.
Thyrotrope
Correct Answer
B. OncocytomaExplanation
lactotrope[prolactinoms] is most commonRate this question:
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- 15.
True about RIOCIGUAT
- A.
Guanyl cyclase stimulator
- B.
Used in pulmonary arterial hypertension
- C.
Both
- D.
None
Correct Answer
C. BothExplanation
Riociguat is a guanylate cyclase stimulator that is used in the treatment of pulmonary arterial hypertension. It works by increasing the production of cyclic guanosine monophosphate (cGMP), which helps to relax and widen the blood vessels in the lungs, improving blood flow and reducing the symptoms of pulmonary arterial hypertension. Therefore, the statement "both" is correct as riociguat is indeed a guanylate cyclase stimulator and is used in pulmonary arterial hypertension.Rate this question:
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- 16.
Most common clinical feature of grave ophthalmopathy
- A.
Option 1
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Option 1Explanation
a] Dalrymple sign
b] exophthalmos
c]mobius sign [poor convergence]
d] von graefe sign[ lagging behind of right eyelid on looking downwardsRate this question:
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- 17.
True about Reye syndrome
- A.
Hypoglycemia
- B.
Jaundice
- C.
Macrovesicular steatosis in liver
- D.
EEG showing burst waves polyspikes
Correct Answer
A. HypoglycemiaExplanation
microvesicular steatosis
EEG s/o slow wavesRate this question:
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- 18.
False about trichomoniasis
- A.
Strawberry cervix
- B.
Punctate hemorrhage of cervix
- C.
Colpitis macularis is seen
- D.
None
Correct Answer
D. NoneExplanation
c] other name of strawberry cervixRate this question:
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- 19.
Current target is to achieve total fertility rate of
- A.
2.1
- B.
2.2
- C.
2.3
- D.
2.4
Correct Answer
A. 2.1Explanation
The current target for achieving the total fertility rate is 2.1. The total fertility rate refers to the average number of children that a woman is expected to have during her reproductive years. A total fertility rate of 2.1 is considered the replacement level, as it allows for population replacement without significant growth or decline. This target is often used by governments and organizations to plan for population growth and ensure the sustainability of a population.Rate this question:
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- 20.
Relative brings a 21 year female with history of kerosene ingestion for purpose of committing suicide. The medical officer at pHC has to
- A.
Inform to magistrate
- B.
Inform to police
- C.
Inform to WHO
- D.
NONE
Correct Answer
D. NONEExplanation
According to mental healthcare bill 2017 , attempt to suicide is not a criminal offence and hence government doctor is not bounded to inform to policeRate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Dec 06, 2018Quiz Created by
Drhunny
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