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WorksheetsIB Cell structure A2.2
Total questions: 13
Worksheet time: 6mins
Chloroplast
Mitochondrion
Golgi body
Nucleus
Rough Endoplasmic reticulum
Label this lymphocyte (white blood cell that makes antibodies)
Label this prokaryotic cell
A cell contains chloroplasts, a plasma membrane and 80S ribosomes. What type of cell could it be?
A. Bryophyte
(Moss)
B. Lymphocyte
C. Prokaryote
D. Neuron
The images of the radiolarian, a single-celled marine organism, were produced using a light microscope (left) and a scanning electron microscope (right). What is a reason for the difference in quality of these images?
A. Light cannot pass through the specimen.
B. Higher magnification can be achieved with the electron microscope.
C. The resolution of the electron microscope is higher.
D. Samples are stained with methylene blue when viewed with the light microscope.
The micrograph of a section through a plant stem shows at least ten different types of cells. What explains the differences between these cells?
A. Only one gene is expressed in each cell type.
B. Different genes are expressed in each cell type.
C. Only useful genes remain in the DNA of each cell type.
D. Changes in the DNA sequence take place when these cells develop.
Two cells have the given characteristics. Which deduction is supported by this information?
A. Both cells are from plants.
B. Cell I is more complex than cell II.
C. Cell II is an animal cell.
D. Cell I is prokaryotic.
In mammals, mature red blood cells are specialized in that they lack nuclei, mitochondria or ribosomes. Which statement applies to red blood cells?
A. No chemical reactions take place within their cytoplasm.
B. They cannot produce new enzymes.
C. Materials cannot enter red blood cells.
D. Materials cannot exit red blood cells.
Which living structure is an exception to the cell theory?
A. Striated muscle fibres
B. A single-celled alga carrying out all of the functions of life
C. The artificial synthesis of the organic molecule urea
D. A multicellular organism with cells undertaking specialized roles
What function is performed by the part of the cell shown in the electron micrograph?
A. Locomotion
B. Synthesis of proteins
C. Movement of chromosomes
D. Breakdown of cellular organelles
Chlorella and Paramecium are both unicellular eukaryotic organisms living in freshwater. Chlorella is photosynthetic and has a cell wall. Which organelle will be found in Chlorella but not Paramecium?
A. Chloroplast
B. Contractile vacuole
C. Rough endoplasmic reticulum
D. Mitochondrion
Chlorella and Paramecium are both unicellular eukaryotic organisms living in freshwater. Chlorella is photosynthetic and has a cell wall. Which organelle will be found in Paramecium but not in Chlorella?
A. Chloroplast
B. Contractile vacuole
C. Rough endoplasmic reticulum
D. Mitochondrion
Which sequence has the cells arranged according to their ability to differentiate, starting from the cells that are least able to differentiate?
A. bone marrow, neuron, embryonic, umbilical
B. neuron, bone marrow, umbilical, embryonic
C. umbilical, embryonic, bone marrow, neuron
D. embryonic, umbilical, bone marrow, neuron
