Worksheet Cell: The Building Block of Life

Multiple Choice Questions

Q1: What is the primary function of the Golgi apparatus in a cell?
(a) Protein synthesis
(b) Energy production
(c) Modifying, sorting, and packaging proteins and lipids
(d) Breaking down waste materials

Q2: Which scientist first observed cells using a self-designed microscope in 1665?
(a) Camillo Golgi
(b) Robert Hooke
(c) Rudolf Virchow
(d) Matthias Schleiden

Q3: What happens to a plant cell when placed in a hypertonic solution?
(a) The cell wall collapses completely
(b) The cell membrane pulls away from the cell wall
(c) The cell bursts due to excess water entry
(d) The cell remains unchanged

Q4: How many daughter cells are produced during meiosis?
(a) 2
(b) 4
(c) 6
(d) 8

Q5: Which organelle is known as the powerhouse of the cell?
(a) Mitochondria
(b) Chloroplast
(c) Nucleus
(d) Ribosome

Fill in the Blanks

Q1: The cell membrane is described by the _____ model.

Q2: Chromosomes are made of DNA and _____.

Q3: The green pigment present in chloroplasts is called _____.

Q4: The finger-like folds of the inner mitochondrial membrane are called _____.

Q5: The process by which water moves through a selectively permeable membrane from dilute to concentrated solution is called _____.

True or False

Q1: Prokaryotic cells have a well-defined nucleus surrounded by a nuclear membrane.

Q2: Both mitochondria and plastids contain their own DNA and ribosomes.

Q3: Animal cells have a rigid cell wall made of cellulose.

Q4: Mature red blood cells in humans lack a nucleus.

Q5: Mitosis produces four genetically different daughter cells.

Match the Following

Column A	Column B
1. Ribosomes	A. Packaging and shipping centre of the cell
2. Lysosomes	B. Storage organelle with cell sap in plants
3. Golgi apparatus	C. Clean-up system with digestive enzymes
4. Vacuoles	D. Site of protein synthesis
5. Endoplasmic Reticulum	E. Network for synthesis and transport of proteins and lipids

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Short Answer Questions

Q1: What is the Fluid Mosaic Model and why is the cell membrane described using this model?

Q2: Explain the difference between prokaryotic and eukaryotic cells based on their nuclear structure.

Q3: Why do mitochondria have cristae, and what is their significance?

Q4: What is osmosis and how does it affect a potato piece placed in plain water?

Q5: State the Classical Cell Theory and name the scientists who contributed to it.

Long Answer Questions

Q1: Compare and contrast mitosis and meiosis in terms of their purpose, number of daughter cells produced, and genetic similarity.

Q2: Analyse the structural features of chloroplasts and explain how they are adapted for photosynthesis.

Q3: Evaluate the importance of cell division and explain what happens when cell division goes wrong.