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WorksheetsWhat are life processes?
Total questions: 10
Worksheet time: 5mins
Why is there a controversy about whether the viruses are truly alive or not?
Because viruses are invisible
viruses do not move at all
viruses show movement only when they infect some cell
What are life processes?( In the context of your syllabus)
The processes of eating, talking, watching T.V, playing and sleeping
The processes of enjoying our life
The processes which work together to maintain our body functions.
What do you mean by the term nutrition?
The process of transferring a source of energy from outside the body of the organism to inside.
The process of removing energy from inside the body of the organism to outside
The process of studying about different kinds of food.
The process of breaking down of food to release energy and using them for cellular needs is called
excretion
Nutrition
Respiration
Digestion
Why are there no specific organs in amoeba, for taking in food, exchange of gases or removal of wastes because
They are multicellular organisms so all cells are in direct contact with surrounding
They are unicellular organisms ,so the entire surface of organism are in direct contact with surrounding
Using visible movement as the defining characteristics of life is not enough because
Living things do not move
Some movements in living things are not visible to us like molecular movements
Which of the following is not a life process?
Skeletal system
Nutrition
Respiration
Transportation
Excretion
Which of the following is the correct definition of respiration?
Taking in oxygen and giving out carbon dioxide
breaking down of food to release energy for cellular needs
Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans?
Because all the cells of our body ,are not in direct contact with surrounding environment
Because multicellular organisms need more oxygen
Why is there , a controversy about whether viruses are truly alive or not?
Because viruses are not talking to us
Because viruses do not show any molecular movement until they infect some cell.
