Explanation

Mitosis ensures that each daughter cell receives a complete and identical set of chromosomes.

It occurs in somatic (body) cells for growth and repair.

Explanation

Individuals with Down syndrome typically have short stature, not tall.

Other features like mental retardation, heart defects, and susceptibility to infections are common.

Explanation

Fixing is the process in photography that removes residual silver halide from the image.

Without fixing, silver halide remains light-sensitive and can darken the image upon further exposure.

Explanation

"After that" is used to show the step just before the final one.

It helps transition smoothly toward the conclusion (which is marked by "Finally").

Explanation

"Tahir" is a proper noun → should be capitalized.

Possession is shown with apostrophe + s → Tahir’s car is correct.

Explanation

Direct Speech:

Ali said, “I visited Lahore last week.”

Rules for Indirect (Reported) Speech:

Simple past ("visited") → changes to past perfect ("had visited")

Time expression "last week" → changes to "the previous week"

Pronoun "I" becomes "he" (referring to Ali)

Correct Indirect Speech:

Ali said that he had visited Lahore the previous week.

Explanation

All the apples have been eaten by them.

In passive voice, the object ("all the apples") becomes the subject and the tense remains present perfect.

Structure: has/have + been + past participle → have been eaten.

Explanation

"Reign" means the rule or period of power of a king or queen — matches the meaning of the sentence.

It is the correct homophone (same sound, different meaning/spelling) for this royal context.

Explanation

"The" is used for a specific person or thing known to the speaker and listener.

"Boy in red shirt" is a specific boy, so "The" is appropriate.

Explanation

Transitional devices:

Used to connect ideas and guide readers through text smoothly.

Let's check each option:

For example → Transitional (used to give examples)

Whereas → Transitional (used to contrast)

Firstly → Transitional (used to list/sequences) 

Bunch → Not a transitional device; it's a noun