Q:

Which statement is one component of the cell theory?

A) DNA is the basis of genetic transfer	B) All living cells arise from pre-existing cells
C) All cells are composed of same organelles	D) Tissues are formed from combinations of cells

Answer & Explanation Answer: B) All living cells arise from pre-existing cells

Explanation:

All living cells arise from pre-existing cells is one component of the cell theory.

The Cell Theory is one of the basic principles of biology.

The Cell Theory states:

1. All living organisms are composed of cells. They may be unicellular or multicellular.

2. The cell is the basic unit of life.

3. Cells arise from pre-existing cells.

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Q:

Pravasi Bharatiya Diwas is observed on which of the following days?

A) 9th January	B) 19th January
C) 9th February	D) 19th February

Answer & Explanation Answer: A) 9th January

Explanation:

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Q:

When data in a spreadsheet program is changed what occurs?

A) All calculations are recalculated	B) Once entered, the data cannot be changed
C) Nothing	D) None of the above

Answer & Explanation Answer: A) All calculations are recalculated

Explanation:

In a spreadsheet program, when a data is changed all calculations are recalculated.

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Q:

What element is found in all organic compounds?

A) Hydrogen	B) Calcium
C) Nitrogen	D) Carbon

Answer & Explanation Answer: D) Carbon

Explanation:

Carbon is found in all organic compounds.

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Q:

The word OPERA means what in Italian?

A) Word	B) Work
C) Energy	D) Force

Answer & Explanation Answer: B) Work

Explanation:

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Q:

"The Republic" was written by whom?

A) Plato	B) Aristotle
C) Pythagoras	D) Socrates

Answer & Explanation Answer: A) Plato

Explanation:

The Republic was written by Plato.

The_Republic_was_written_by_whom1542195012.jpg image

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Q:

Amoeba belongs to the phylum

A) Protozoa	B) Annelida
C) Porifera	D) Platyhelminthes

Answer & Explanation Answer: A) Protozoa

Explanation:

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Q:

In a nucleosome, the DNA is wrapped around

A) histone octamer	B) helix
C) double helix	D) None of the above

Answer & Explanation Answer: A) histone octamer

Explanation:

In_a_nucleosome,_the_DNA_is_wrapped_around1542780589.jpg image

In a nucleosome, the DNA is wrapped around histone octamer.

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