Explanation

Explanation

"The number of" is a singular subject, so it takes a singular verb.

"Is" is the correct verb because it agrees with the singular subject "The number".

Explanation

The phrase "rewarded him for a shield" is incorrect.

The correct phrase should be "rewarded him with a shield" instead of "for a shield."

Explanation

A wind vane, also called a weather vane.

It is an instrument used to determine the direction of the wind.

It typically has an arrow that points into the direction from which the wind is blowing.

Explanation

Bile is a digestive fluid produced by the liver and stored in the gallbladder, but it does not contain digestive enzymes.

Instead, bile contains bile salts, which help emulsify fats, making them easier for enzymes like lipase to break down.

Explanation

Mesosomes are infoldings of the bacterial plasma membrane that help in cellular respiration, DNA replication, and cell division.

Since bacteria lack mitochondria, mesosomes function similarly to mitochondria by aiding in ATP (energy) production.

Explanation

Bahadur Shah Zafar, the last Mughal emperor, was exiled by the British after the 1857 War of Independence.

He was kept in semi-imprisonment in the Red Fort (Delhi) before being sent to Rangoon (Burma), where he died in 1862.

Explanation

The speed of sound is higher in solids (like glass and iron) than in liquids (like water) and gases (like dry air).

However, the speed of sound in glass is less than in iron because iron is denser and has a higher elasticity.

Explanation

Neon (Ne) is a noble gas.

It is exists as a monoatomic (single-atom) molecule under normal conditions.

Explanation

To evaluate the expression, follow the order of operations:

Multiply 3 and 3: 3 × 3 = 9

Divide 9 by 3: 9/3 = 3

Add 3 and 3: 3 + 3 = 6