Given a sentence in the English language, translate it into the Nepali language.

[Q]: Text: Biological scientists have no satisfactory answer to the question why does mutation occur.

[A]: उत्परिवर्तन किन हुन्छन्, यसको सन्तोषजनक उतर जीव वैज्ञानिकोंको नजीकै उपलब्ध छैन ।



[Q]: Text: Quasars are believed to be the most consistently luminous objects in the known universe.

[A]: कोस्सेर्सलाई ज्ञात ब्रह्माणको सबै भन्दा निरन्तर चमकदार वस्तुहरू मानिन्छ।



[Q]: Text: To be thought oriented and have the structural format of narration is the trait of these types of essays. 

[A]:
विचारप्रधान हुनु र आख्यानात्मक संरचनाको बान्की हुनु यस्ता निबन्धको विशेषता हो ।