Questions

Q:

In a concentrated solution there is

A) no solute B) a large amount of solvent
C) no solvent D) a large amount of solute
 
Answer & Explanation Answer: D) a large amount of solute

Explanation:

In a concentrated solution there is a large amount of solute.

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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 express the same sentence in Indirect/Direct speech.


Kunal said, "Tanu is coming this week."

A) Kunal says that Tanu was coming that week. B) Kunal says that Tanu was coming this week.
C) Kunal said that Tanu was going to be come this week. D) Kunal said that Tanu was coming that week.
 
Answer & Explanation Answer: D) Kunal said that Tanu was coming that week.

Explanation:
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Q:

Which organelles supply energy to the cell?

A) Mitochondria B) Cytoplasm
C) Ribosomes D) None of the above
 
Answer & Explanation Answer: A) Mitochondria

Explanation:

Mitochondria which is present in both plant and animal cells supplies energy to the cells and hence called as the powerhouse of the cell.

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Q:

Bacteria divide by

A) Binary Fusion B) Cytokinesis
C) Binary Fission D) Both B & C
 
Answer & Explanation Answer: C) Binary Fission

Explanation:

Most bacteria divide by binary fission, a form of cell division in which DNA replication and segregation occur simultaneously. This process involves active partitioning of the single bacterial chromosome and positioning of the site of septation.

 

Bacteria reproduce by binary fission. In this process the bacterium, which is a single cell, divides into two identical daughter cells.

 

Binary fission begins when the DNA of the bacterium divides into two replicates. The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. Each daughter cell is a clone of the parent cell.

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Q:

As water is cooled from 4 deg C to 0 deg C, its density

A) decreases B) increases
C) remains same D) zero
 
Answer & Explanation Answer: A) decreases

Explanation:

When water is cooled from 4°C to 0°C, its density decreases.

 

When water cools from 4°C to 0°C, ice crystals begin to form because the water is approaching its freezing point. When water freezes, the water molecules form a lattice that increases the volume. As a result, the density decreases. This is why ice will float on top of water; ice has a lower density than the water.

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Q:

What can you expect if you raise your bids?

Answer

More conversions and a higher CPA, in general.

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Q:

The Ajanta Cave Paintings are a testimony to the golden age of ____ in India.

A) Buddhism B) Shaivism
C) Jainism D) Vaishnavism
 
Answer & Explanation Answer: A) Buddhism

Explanation:
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Q:

Who was the first woman to fly around the world?

A) Geraldine B) Amelia Earhart
C) Jennifer Murray D) None of the above
 
Answer & Explanation Answer: A) Geraldine

Explanation:

Geraldine Mock "Jerry" was the first woman to fly around the world successfully in the year 1964.

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