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WorksheetsCell - Unit of Life Review
Total questions: 20
Worksheet time: 10mins
Which of the following statements state that 'Cell is the functional unit of life'?
All living organisms are made up of cells.
All cells arise from pre-existing cells.
Any function of an organism is due to the activity of cells.
All of the above.
When viewed using an electron microscope, which of the following organelles is NOT surrounded by a double membrane?
Centriole
Golgi Apparatus
Mitochondria
Ribosome
Which of the following organelles can be found in animal cells but NOT in plant cells?
Cell membrane
Cell wall
Centriole
Chloroplast
The electron micrograph shows an organelle when viewed under an electron microscope. Identify the organelle shown in the photomicrograph.
Chloroplast
Mitochondrion
Endoplasmic reticulum
Golgi apparatus
The first microscope was constructed by …
Antony van Leeuwenhoek
Robert Hooke
Theodor Schwann
Watson and Crick
The size of a microscopic bacterial cell is usually measured in ...
(a)
The semi permeable membrane in a plant cell is …
(a)
Rank the following according to the hierarchy observed in the living organism.
Digestive system; nerve cell; heart muscle; skin
Digestive system – skin – heart muscle – nerve cell
Heart muscle – skin – nerve cell – digestive system
Nerve cell – heart muscle – skin – digestive system
Skin – digestive system – nerve cell – heart muscle
Identify animal cells from the following
What is the role of the central vacuole in the plant cell?
Absorb sunlight for photosynthesis
Production of proteins
Transport substances within the cell
Store nutrients and water
Which of the following is NOT a characteristic of a cell wall?
It has a rigid structure
It is made up of cellulose
It is living component of the cell
It allows solutes to enter and leave the cell without hindrance
Identify the cell organelles that have their own DNA
Centriole
Ribosome
Chloroplast
Mitochondria
Identify the cell organelle in the centre of the electromicrograph
Smooth endoplasmic reticulum
Rough endoplasmic reticulum
Golgi bodies
Transport vesicles
The solution filled in vacuoles is ...
(a)
A cell organelle that digests foreign bodies is ...
(a)
The energy currency of the cell is ...
Glucose
NADP
FAD
ATP
The membrane of the vacuole is called ...
(a)
Identify the incorrect option
Stomatal Guard cells are biconcave
White blood cells are amoeboid
Muscle cells are long and contractile
Epithelial cells can be cuboidal
A plastid that stores starch ...
Chloroplast
Leucoplast
Tonoplast
Chromoplast
Cell organelle responsible for cell respiration ...
Nucleus
Mitochondria
Golgi bodies
Ribosomes
