Choose the grammatically correct sentence:

The correct answer is Option (1) → Our school cricket team was beaten by the team from Mohali in yesterday’s semi-final.

Passive voice: was / were + past participle (V3):

• In the passive voice, the subject receives the action. The verb is a form of “be” + the past participle (V3).
• The verb “beat” has the forms beat, beat, beaten. So the passive is was beaten.

Why the Other Options are Incorrect?

Option 2: We took many photos of the green sceneries on our trip to Munnar last winter. — Incorrect. “Scenery” has no plural form. It is always used as a singular noun.
Corrected: We took many photos of the green scenery on our trip to Munnar last winter.

Option 3: The lady which runs the tiffin service in our lane cooks for forty students. — Incorrect. “Which” is used for things. For a person, we use “who”.
Corrected: The lady who runs the tiffin service in our lane cooks for forty students.

Option 4: On the doctor’s advice, Dadi avoids to eat sweets after dinner. — Incorrect. “Avoid” is followed by the -ing form of a verb, not by “to” + verb.
Corrected: On the doctor’s advice, Dadi avoids eating sweets after dinner.