Explanation

Xerophytes are plants adapted to dry environments with low water availability.

Examples include cactus and succulents, which have features to store or conserve water.

Explanation

The correct preposition is "in" when referring to something located within a place or area.

The Sahara Desert is one of the most remarkable deserts in the world.

Explanation

We use "for" when referring to the purpose or reason for a gift.

So, "She gave me a watch for my birthday" is the correct and natural expression.

Explanation

According to the Survey of Pakistan 2020, the revised total length of the Line of Control (LoC) between India and Pakistan is 861 km.

Explanation

Used to show involvement or taking part in an event.

Correct preposition with "participate" is "in" for activities like races.

Explanation

The phrase "to buy" shows purpose or intent.

Correct sentence: "They stopped outside the park to buy some ice cream."

Explanation

The correct preposition is "in", as we refer to something happening inside a place.

So, "in the classroom" is the proper phrase.

Explanation

Negotiations between the nations officially began on October 13, 1962, and resulted in an agreement being signed on 2 March 1963.

It was signed by foreign ministers Chen Yi for the Chinese and Zulfikar Ali Bhutto for the Pakistani.

The eastern tip of the Wakhan Corridor starts the Sino-Pak border between the People's Republic of China and Pakistan spanning about 559 km (347.3 mi).

Zulfikar Ali Bhutto, the Minister of External Affairs of Pakistan.

Explanation

"Based on" means the book uses true events as its foundation.

It’s the correct preposition to show the source or reason behind something.

Explanation

The Simla Agreement was signed on July 2, 1972 between Zulifqar Ali Bhutto (Pakistan) and Indira Gandhi (India).

It converted the ceasefire line in Kashmir into the Line of Control (LoC).