Download CBSE Class Physics 12 Pre-Board Sample Papers 2025–26 with solutions for all subjects in free PDF format. These papers are curated by experts as per the latest CBSE syllabus and exam pattern.

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Fungal denitrification play a key role in the regulation of nitrogen cycle. Knowledge of the fungal denitrification of soil microbes and the driving ...

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Background Fermented foods are a promising yet underexplored intervention for influencing brain function and mental health through the gut–brain axis. Objective The objective of this study was to ...

Background Despite anticoagulation, patients with atrial fibrillation (AF) experience persistent elevated cardiovascular risk ...

Pediatric ENT emergencies pose unique risks because small anatomic airways can make minor pathology life-threatening in minutes. The WHO pediatric emergency care framework underscores the urgency of ...

The class Acid must be imported from ph_diagrams. To create diagrams for the acetic acid: >>> from ph_diagrams import Acid >>> import matplotlib.pyplot as plt >>> fig, axs = plt.subplots(nrows=1, ...

Introduction Sleep problems are an escalating global health concern, with prevalence estimates ranging from 8.3% to 45%. Physicians are disproportionately affected, with rates around 44% compared with ...

A reliability diagram plots the observed frequency against the forecast probability for each bin. The points are generally plotted at the midpoints of the bins. A perfectly reliable forecasting system ...

Department of Physics and Astronomy, University of Maine, Orono, Maine 04469, USA Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32816, USA Article ...