A history teacher shows a thin slice of cork viewed under a 1665 microscope, revealing tiny box-like compartments; which scientist made this observation and coined the word for these boxes?

Robert Hooke. In 1665 Robert Hooke examined cork, saw box-like walls of dead cells, and named each box a 'cell'. Answer: Robert Hooke.

An exhibit panel says a researcher discovered a dense rounded body inside orchid cells in 1831 and gave it a lasting name; which structure and person does the panel describe?

The nucleus, by Robert Brown. Robert Brown in 1831 observed and named the nucleus. Answer: nucleus, by Robert Brown.

Two scientists working in 1838 and 1839 proposed that all plants and all animals are built from cells; which pair is credited with this unifying idea?

Schleiden and Schwann. Schleiden (plants, 1838) and Schwann (animals, 1839) proposed the cell theory. Answer: Schleiden and Schwann.

Class 9 · Science · Biology

The Fundamental Unit of Life MCQs

Take an interactive The Fundamental Unit of Life quiz for Class 9 Science - tap an answer for instant feedback and a step-by-step solution. These are a few sample questions; practice the full The Fundamental Unit of Life set free on the RankByte app.

Topics covered

Discovery and Basic Structure of the CellProkaryotic vs Eukaryotic CellsPlasma Membrane (Diffusion, Osmosis)Cell Wall and NucleusCell Organelles (ER, Golgi, Lysosomes, Mitochondria, Plastids, Vacuoles)Cell Discovery and Cell TheoryCell Structure and OrganellesProkaryotic, Eukaryotic, Plant and Animal CellsDiffusion, Osmosis and TransportCell Growth and Cell DivisionCell structure, organelles, membrane transport, prokaryote vs eukaryote

Practice The Fundamental Unit of Life by topic

Focused MCQ quizzes for each topic.

Cell Discovery and Cell Theory Cell Growth and Cell Division Cell Organelles (ER, Golgi, Lysosomes, Mitochondria, Plastids, Vacuoles)Cell Structure and Organelles Cell Wall and Nucleus Cell structure, organelles, membrane transport, prokaryote vs eukaryote Diffusion, Osmosis and Transport Discovery and Basic Structure of the Cell Plasma Membrane (Diffusion, Osmosis)Prokaryotic vs Eukaryotic Cells Prokaryotic, Eukaryotic, Plant and Animal Cells

The Fundamental Unit of LifeQuiz - Solve & Score

A few sample questions with instant answers and solutions - the full set is in the app.

Q1. A history teacher shows a thin slice of cork viewed under a 1665 microscope, revealing tiny box-like compartments; which scientist made this observation and coined the word for these boxes?
- A.Robert Hooke
- B.Matthias Schleiden
- C.Robert Brown
- D.Anton van Leeuwenhoek
Answer: A. Robert Hooke
In 1665 Robert Hooke examined cork, saw box-like walls of dead cells, and named each box a 'cell'. Answer: Robert Hooke.
Q2. An exhibit panel says a researcher discovered a dense rounded body inside orchid cells in 1831 and gave it a lasting name; which structure and person does the panel describe?
- A.The chloroplast, by Robert Brown
- B.The cytoplasm, by Robert Hooke
- C.The nucleus, by Leeuwenhoek
- D.The nucleus, by Robert Brown
Answer: D. The nucleus, by Robert Brown
Robert Brown in 1831 observed and named the nucleus. Answer: nucleus, by Robert Brown.
Q3. Two scientists working in 1838 and 1839 proposed that all plants and all animals are built from cells; which pair is credited with this unifying idea?
- A.Schleiden and Schwann
- B.Purkinje and Golgi
- C.Hooke and Leeuwenhoek
- D.Brown and Virchow
Answer: A. Schleiden and Schwann
Schleiden (plants, 1838) and Schwann (animals, 1839) proposed the cell theory. Answer: Schleiden and Schwann.