Q:

Where would rna polymerase attach?

A) Phosphate groups	B) DNA
C) Both A & B	D) None of the above

Answer & Explanation Answer: B) DNA

Explanation:

RNA polymerase attach to DNA molecule.

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Q:

Nucleic acid hybridization is based on the fact that

A) a chromosome is composed of complementary strands	B) all cells have DNA
C) the strands of DNA can be separated	D) pairing between complementary bases occurs

Answer & Explanation Answer: D) pairing between complementary bases occurs

Explanation:

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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

A routine task, especially a household one

A) Chore	B) Servitude
C) Moil	D) Travail

Answer & Explanation Answer: A) Chore

Explanation:

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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
He said, "I saw a snake here."

A) He said that he had seen a snake there.	B) He said that he saw a snake here.
C) He said that he saw a snake there.	D) He said that he had seen a snake.

Answer & Explanation Answer: A) He said that he had seen a snake there.

Explanation:

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Q:

Select the correct statement about immune system?

A) The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins	B) The most common form of immunodeficiency is graftversushost (GVH) disease
C) Severe combined immunodeficiency (SCID) disease is an acquired condition	D) Hodgkin's disease is a hereditary immunodeficiency found in children

Answer & Explanation Answer: A) The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins

Explanation:

Among the given options, the correct statement about immunodeficiency is "The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins".

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Q:

Which one of the following elements will be an isobar of calcium if the atomic number of calcium is 20 and its mass number is 40?

A) Element with 18 neutrons and 20 protons	B) Element with 19 neutrons and 18 protons
C) Element with 19 neutrons and 20 protons	D) Element with 18 neutrons and 22 neutrons

Answer & Explanation Answer: D) Element with 18 neutrons and 22 neutrons

Explanation:

Isobar: one of two or more atoms having equal atomic weights but different atomic numbers.

Mass number Electrons Neutrons

Calcium 40 20 20

Argon 40 18 22

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Q:

Which Indian armed force has conducted ‘Exercise Topchi 2019’?

A) Indian Army	B) Indian Air Force
C) Indian Coast Guard	D) Indian Navy

Answer & Explanation Answer: A) Indian Army

Explanation:

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Q:

In Microsoft Word, ____________ are small dots, squares, dashes or graphics that are often seen before the text.

A) Indentation	B) Bullets
C) Numbering	D) Tabs

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