- ABy whom were these poinsettias grown?
- BThese poinsettias are grown by who?
- CWho was grown by these poinsettias?
- DWere these poinsettias grown by whom?
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Concept: An active question with 'Who' as subject becomes a passive question beginning with 'By whom'.
- 'Who' → 'By whom'.
- Simple past 'grew' → 'were ... grown' (plural object 'these poinsettias').
- Passive: 'By whom were these poinsettias grown?'
- 'by who' is wrong; C reverses the meaning; D puts 'by whom' at the end incorrectly.
Trick: Who + V2 ...? → By whom + was/were + object + V3?
Answer: (A) By whom were these poinsettias grown?
अवधारणा: Active प्रश्न जिसमें 'Who' कर्ता है, passive में 'By whom' से शुरू होता है।
- 'Who' → 'By whom'।
- Simple past 'grew' → 'were ... grown' (बहुवचन object)।
- Passive: 'By whom were these poinsettias grown?'
- 'by who' गलत; C अर्थ उलट देता है; D की संरचना गलत है।
ट्रिक: Who + V2 ...? → By whom + was/were + object + V3?
उत्तर: (A) By whom were these poinsettias grown?
