CBSE Class 12 Biology Chapter 11 Reproduction In Organisms Competency-Based Questions: The competency-based questions are designed by CBSE as they evaluate the understanding of the students on a ...

CBSE Class 12th Biology Syllabus 2025-26: The 12th class curriculum for 2025–2026 was made available by the CBSE Board. The curriculum for CBSE Class 12 Biology 2025–2026 is available for students to ...

All vertebrate and invertebrate animals have an innate immune system, but adaptive immunity is thought to be a uniquely vertebrate feature 3. Underlying adaptive immunity are variable, clonally ...

A new study has found that the chemical structure of queen pheromones in wasps, ants and some bees is strikingly similar, even though these insects are separated by millions of years of evolution and ...