Q:

Bacteria and archaea are similar in which of the following?

A) Plasma membrane ester linkage	B) Possessing prokaryotic cells
C) Peptidoglycan cell walls	D) Methionine as the start signal for protein synthesis

Answer & Explanation Answer: B) Possessing prokaryotic cells

Explanation:

Bacteria and archaea are similar in possessing prokaryotic cells.

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Q:

Gastrulation is the process that directly forms the

A) Ectoderm	B) Endoderm
C) Mesoderm	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Gastrulation rearranges the cells of the blastula and ultimately forms the three germ layers of the embryo. The primary layers that will form all of the major body and organ systems of the organism, these germ layers include the ectoderm, mesoderm, and endoderm.

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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:

What is an exothermic reaction?

A) Reaction in which heat is released.	B) Reaction in which heat is absorbed.
C) Reaction in which neither heat is released nor absorbed.	D) None

Answer & Explanation Answer: A) Reaction in which heat is released.

Explanation:

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Q:

According to World Economic Forum Global Gender Gap Report 2017, Indian has closed ______ percentage of its gender gap.

A) 39	B) 67
C) 53	D) 91

Answer & Explanation Answer: B) 67

Explanation:

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Q:

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

The commotion terrified her.

A) She was terrified.	B) She is terrified of commotion.
C) She terrified by the commotion.	D) She was terrified by the commotion.

Answer & Explanation Answer: D) She was terrified by the commotion.

Explanation:

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Q:

Which statement best describes perigee?

A) The closet point in the Moon's orbit to Earth	B) The farthest point in the Moon's orbit to Earth
C) The closest point in Earth's orbit of the Sun	D) The Sun's orbit that is closest to the Moon

Answer & Explanation Answer: A) The closet point in the Moon's orbit to Earth

Explanation:

The closet point in the Moon's orbit to Earth is called perigee whereas the farthest point in the Moon's orbit to Earth is called apogee.

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Q:

Which country become the 1st country in Asia to legalise same-sex marriage?

A) Vietnam	B) South Korea
C) Taiwan	D) Philippines

Answer & Explanation Answer: C) Taiwan

Explanation:

The 1st country in Asia to legalise same-sex marriage is Taiwan.

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