Questions

Q:

Which of the following statements about DNA replication is true?

A) Single‑strand binding proteins stabilize the open conformation of the unwound DNA. B) Okazaki fragments are DNA fragments synthesized on the leading strand.
C) DNA polymerase adds dNTP monomers in the 3′-5′ direction. D) DNA gyrase unwinds the DNA double helix.
 
Answer & Explanation Answer: A) Single‑strand binding proteins stabilize the open conformation of the unwound DNA.

Explanation:
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Q:

Protists and bacteria are grouped into different domains because

A) protists have a membrane-bounded nucleus, which bacterial cells lack. B) protists eat bacteria
C) bacteria decompose protists D) protists are photosynthetic
 
Answer & Explanation Answer: A) protists have a membrane-bounded nucleus, which bacterial cells lack.

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Q:

Improve the bracketed part of the sentence.

Taj Mahal is (a worth seeing monument) in Agra.

A) a monument to see its worth B) a monument worth seeing
C) one of worth seeing monuments D) No improvement
 
Answer & Explanation Answer: B) a monument worth seeing

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Q:

Which state govt has recently banned the Popular Front of India?

A) Uttar Pradesh B) Jharkhand
C) West Bengal D) Jammu & Kashmir
 
Answer & Explanation Answer: B) Jharkhand

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Q:

A universal recipient blood group belongs to

A) O B) A
C) B D) AB
 
Answer & Explanation Answer: D) AB

Explanation:

In transfusions of packed red blood cells, individuals with type O Rh D negative blood are often called universal donors. Those with type AB Rh D positive blood are called universal recipients.

The immune system of a person with AB blood will accept blood from all possible donors, whether they have O, A, B, or AB blood. Since both A and B antigens are present in a person with AB blood, the recipient won't reject the blood. The body identifies that blood as "self" rather than "foreign."

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Q:

Which city has been named as the World Capital of Architecture for 2020?

A) Rio de Janeiro B) Melbourne
C) Tokyo D) Paris
 
Answer & Explanation Answer: A) Rio de Janeiro

Explanation:

Rio de Janeiro has been named as the World Capital of Architecture for 2020.

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Q:

Select the synonym of
inscription

A) scrubbed B) rivet
C) jaded D) engrave
 
Answer & Explanation Answer: D) engrave

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Q:

Ammonia can be dried by

A) Sulphuric acid B) Calcium oxide
C) Phosphorus pentoxide D) Calcium Chloride
 
Answer & Explanation Answer: D) Calcium Chloride

Explanation:

Ammonia can be dried by Calcium Chloride or calcium hydroxide.

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