CBSE Class 11 biology half yearly 2025 important topics. Check the article for cbse syllabus, sample paper and other details.

National 5 Cell structure The functions of cell organelles Cells are microscopic building blocks of unicellular and multicellular living organisms.

Cell Energy and Cell Functions Cells manage a wide range of functions in their tiny package — growing, moving, housekeeping, and so on — and most of those functions require energy.

Check the latest CBSE Class 9 Science Syllabus 2025–26 with unit-wise weightage, exam pattern, internal assessment details, and excluded topics. Download the detailed syllabus in PDF here.

There are many different kinds of membranes in a cell. Learn how they subdivide sections of a cell and how proteins in these membranes are gatekeepers for what goes in and what comes out.

Cells are microscopic building blocks of unicellular and multicellular living organisms. Animal, plant, fungal and bacterial cells are different in terms of structure but also have many similarities.

As a central part of the circulatory system, the heart is primarily responsible for pumping blood and distributing oxygen and nutrients throughout the body.

Explore types of therapeutic proteins, design strategies and the production methods used in treating cancer, autoimmune diseases and more.

Framework and structure of the assessment As per the approved plan, open-book exams will be integrated into internal assessments conducted by schools for Class 9.

Conversely, tumour-infiltrating B cells were scarce, immature and displayed reduced effector function with increased immunosuppressive features. Coculture with tumour cells or CAFs impaired B-cell ...

This paper reports a valuable discovery that specific-mode electroacupuncture (EA) transiently opens the blood-brain barrier (BBB) in rats. The evidence is solid but lacks functional validation of BBB ...