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important questions for class 9 first term
- Name the cell organelles which is called suicidal bag of the cell.
- Which cell organelles are termed as power house of cell?
- Name the cell organelles that have double layered enveloped system.
- Who proposed the fluid mosaic model?
- Who coined the term cell?
- Name the scientist who proposed the cell theory and who gave the idea that the cells arise from pre-existing cell.
- Give two example of unicellular organism.
- Name the longest cell of human body.
- Name the membrane that covers the vacuoles.
- What will happen when human RBC placed in hypertonic solution?
- Name the carrier protein that helps in transport of material across the material.
- Where are the genes located?
- Name the source of illumination in electron microscope.
- Give full form of ATP.
- Define cell.