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Q 01 / 25
The cell is the basic structural and functional unit of life.
Q 02 / 25
All living organisms are made of cells.
Q 03 / 25
Robert Hooke discovered cells by observing a slice of cork.
Q 04 / 25
Plasma membrane is also known as a selectively permeable membrane.
Q 05 / 25
Cell wall is present in both plant and animal cells.
Q 06 / 25
Nucleus is called the control center of the cell.
Q 07 / 25
Prokaryotic cells have a well-defined nucleus.
Q 08 / 25
Cytoplasm is the jelly-like substance inside the cell membrane.
Q 09 / 25
Plant cells do not contain mitochondria.
Q 10 / 25
Plastids are absent in animal cells.
Q 11 / 25
Lysosomes are called the suicide bags of the cell.
Q 12 / 25
Cell membrane is made mainly of lipids and proteins.
Q 13 / 25
Ribosomes are responsible for protein synthesis.
Q 14 / 25
Vacuoles are larger in animal cells than in plant cells.
Q 15 / 25
Mitochondria are also called the powerhouse of the cell.
Q 16 / 25
Cells reproduce by division.
Q 17 / 25
Chloroplasts are present in animal cells.
Q 18 / 25
Genes are located in the cytoplasm.
Q 19 / 25
Cell wall provides rigidity and protection to plant cells.
Q 20 / 25
Osmosis is the movement of water across a selectively permeable membrane.
Q 21 / 25
Golgi apparatus is involved in packaging and transport of materials in the cell.
Q 22 / 25
All cells have the same size and shape.
Q 23 / 25
A cell having a nucleus and membrane-bound organelles is called a eukaryotic cell.
Q 24 / 25
Cells perform different functions like growth, repair, and reproduction.
Q 25 / 25
All cell organelles are suspended in the nucleus.
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Biology | Biology Class 9
Biology | Biology Class 9 — Complete Notes & Solutions · academia-aeternum.com
🎓 Class 9 📐 Biology 📖 NCERT ✅ Free Access 🏆 CBSE · JEE
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