General Knowledge Questions

Q:

Which of the following statements is most accurate regarding infection with parvovirus B19?

A) Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors B) Parvovirus B19 can cause hydrops fetalis via transplacental infection of a fetus in a seropositive mother
C) Parvovirus B19 can be diagnosed by detection of viral RNA using PCR or hybridization assays D) Parvovirus B19 replicates in the host cell nucleus utilizing a virally encoded DNA polymerase to create a double- stranded DNA intermediate
 
Answer & Explanation Answer: A) Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors

Explanation:

Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors.

 

a. Parvovirus B19 binds preferentially to the erythrocyte blood group P antigen on erythroid precursor cells.

Answers B, C, D are incorrect:

b. after entry the single-stranded viral DNA genome is transported to the cell nucleus where the host DNA polymerase synthesizes the complimentary DNA strand.

c. Parvovirus B19 infection can be diagnosed by direct detection of viral DNA not RNA.

d. the fetus of a seropositive mother is protected from infection by maternal circulating antibodies.

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Q:

In Paramecium, the food is moved to a specific spot by the movement of ______ which cover the entire surface of the cell.

A) cilia B) villi
C) pseudopodia D) vacuole
 
Answer & Explanation Answer: A) cilia

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

A genus can best be defined as

A) a taxon composed of one or more species and a classification level lying below family B) a taxon composed of families
C) the most specific taxon D) a taxon comprised of classes
 
Answer & Explanation Answer: A) a taxon composed of one or more species and a classification level lying below family

Explanation:

A genus can best be defined as a taxon composed of one or more species and a classification level lying below family.

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Filed Under: Biology
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Q:

The wrist is what to the hand?

A) Deep B) Proximal
C) Lateral D) Superior
 
Answer & Explanation Answer: B) Proximal

Explanation:
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Filed Under: General Science
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Q:

Wind and solar energy are examples of

A) Finite energies B) Renewable energies
C) Non renewable energies D) None of the above
 
Answer & Explanation Answer: B) Renewable energies

Explanation:

Wind and solar energy are examples of Renewable energies. 

 

Renewable energy sources are those which can be naturally replenished. 

wind_and_solar_energy_are_examples_of1535692456.jpg image

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Filed Under: Physics
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Q:

The law of demand states that other things equal

A) as the price increases, the quantity demanded will decrease. B) as the price increases, the quantity demanded will increase.
C) as the price decreases, the demand curve will shift to the right. D) as the price increases, the demand will decrease.
 
Answer & Explanation Answer: A) as the price increases, the quantity demanded will decrease.

Explanation:
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Filed Under: Indian Economy
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Q:

What building is famously located at 1600 Pennsylvania Ave?

Answer

The White House

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Subject: World Geography

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Q:

Hitler launched Operation Barbarossa in 1941 against the

Answer

Soviet Union

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Subject: World History

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