Explanation

In conditional or time clauses (e.g., starting with when, if, before, etc.), we use present tense instead of future tense even if referring to the future.

Correct sentence: "I will contact you when you come."

Explanation

These lines are from the poem by G. Allana (Ghulam Ali Allana), a renowned Pakistani poet and writer.

He often explored themes of identity, spirituality, and existentialism in his poetry.

Explanation

My sister said she walks to school while others go by bus.

The reporting verb is "said" and the sentence expresses a habitual action (present simple).

Present simple tense remains unchanged in indirect speech if the statement expresses a general truth or habit.

Explanation

Total passengers = 116, and each bus carries 38 passengers.

116/38 = 3.05, so at least 4 buses are required to carry all passengers.

Explanation

Echinodermata (like starfish, sea urchins) are marine animals and do not include parasites.

In contrast, groups like Nematoda, Platyhelminthes, and Protozoa include many parasitic species.

Explanation

Iron (Fe), Sodium (Na), and Calcium (Ca) are essential minerals required for bodily functions (e.g., hemoglobin, nerve transmission, bone health).

Iodine (I) is a trace element, not classified as a mineral, though it’s vital for thyroid function.

Explanation

Sunlight provides the energy that plants use during photosynthesis to produce food.

It is the primary source of energy in almost all ecosystems.

Explanation

The subject "A lot of houses" is plural, so it takes "have" as the auxiliary verb.

Correct sentence: "A lot of houses have collapsed due to the earthquake."

Explanation

سچل سرمست کو 7 زبانوں پر عبور حاصل تھا، جن میں سندھی، سرائیکی، پنجابی، فارسی، اردو، عربی، اور بلتی شامل ہیں۔

وہ "شاعرِ ہفت زبان" کہلاتے ہیں یعنی سات زبانوں کے شاعر۔

Explanation

The phrase "never met him yesterday" is incorrect because "never" (implies at no time in life) and "yesterday" (refers to a specific past time) should not be used together.

Correct sentence: "You are wrong; I met him yesterday." or "You are wrong; I have never met him." (without "yesterday").