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WorksheetsBasic Science
Total questions: 15
Worksheet time: 8mins
_______ are the smallest units of life because they grow, reproduce, respond, and use energy.
atoms
elements
cells
all of the above
The tissue that helps in the movement of our body are
muscular tissue
skeletal tissue
nervous tissue
all of the above
The flexibility in plants is due to a tissue called
chlorenchyma
parenchyma
sclerenchyma
collenchyma
Ribosomes are the site of
Photosynthesis
Respiration
Protein synthesis
Absorption
The barrier between the protoplasm and the outer environment in an animal cell is
Cell wall
Plasma membrane
Nuclear membrane
Cytoplasm
Colourless plastids are known as
Chromoplasts
Chloroplasts
Leucoplasts
Protoplast
Dry ice is
water in solid state
water in gaseous state
CO2 in liquid state
CO2 in solid state
In which state of matter , process of diffusion is fastest?
Liquids
Gases
Solids
Semi - solids
Identify the organelle shown in the image.
Plasma membrane
Nucleus
Flexible mosaic model
Cytoplasm
Which is NOT a function of the membrane?
it forms a selective barrier
it has receptors for chemical messages
it is the control center of the cell
it is involved in self recognition
Plasma membranes are selectively permeable. This means
anything can pass in and out
the membrane regulates the passage of the material in and out of the cell
glucose cannot enter the cell
cholesterol cannot enter
Secondary consumers use _______ as their food?
carnivores
omnivores
herbivores
saprophytes
