WorksheetsScience Cell & its functions
Total questions: 20
Worksheet time: 8mins
Who discovered cell for the first time by observing cork?
Alexander Flaming
Robert Hook
Leeuwenhoek
Charles Darwin
Which of the following cells have an irregular shape?
White blood cells
Amoeba
Both (a) and (b)
None of these
The structural and functional unit of life is called
tissue
cell
organ
organism
The largest cell is
(a) Bacteria
(b) Human neuron
(c) egg of an ostrich
(d) egg of blue whale
A cell with a definite nucleus and nuclear membrane are called as
virus
Plant cell
Prokaryotic
Eukaryotic
The cell wall is made up of a substance called
Lignin
Starch
Chitin
Cellulose
Chlorophyll is present in:
Chloroplast
Leucoplast
Chromoplast
None
Colorless plastids in plants are
Chloroplast
chromoplast
Leucoplast
None of these
Which of these is also called plasma membrane?
Cell-membrane
Nucleus-membrane
Cytoplasm-membrane
Vacuole-membrane
Which organlleies called the “powerhouse of the cell”?
Nucleus
Endoplasmic reticulum
Mitochondrion
Golgi apparatus
Which of the following instruments can be used to observe cells?
Barometer
Microscope
Periscope
Telescope
Which among the following is not the function of lysosomes?
Breaking down of food particles.
Protection against the pathogens.
Perform photosynthesis.
Digest worn-out cells.
___________ is a of unit inheritance in living organisms
Gene
Nucleus
Chromosomes
Nucleolus
____________ is called the living substance of the cell
Nucleolus
Protoplasm
Organelles
Cytoplasm
Coloured bodies are called as ______________ are found in the plant cells only
Plastids
Chlorophyll
Chloroplast
Organelles
True or false: Plant cells have huge central vacuole unlike a number of small vacuoles in an animal cells.
True
False
True or False: Cells exhibit a variety of shapes and sizes
True
False
True or False: Bacteria cell has a cell wall
True
False
True or False: Paramecium is a multicellular organism
True
False
True or False: The size of the cell has no relation with the size of the body of the animal or plant
True
False
