Fill in the blanks with suitable words. (a) The roots of a plant take up oxygen from the ______ trapped between the ________ particles. (b) Diaphragm forms the ___________ of the chest cavity. (c) The exchange of gases in the leaves takes place with the help of __________. (d) Cockroaches breathe with the help of air tubes called ___________.
ScienceClass 7CBSEAnswered 27 Mar 2026
Answer
Soln:
(a) The roots of a plant take up oxygen from the Air trapped between the soil particles. (b) The diaphragm forms the floor of the chest cavity. (c) The exchange of gases in the leaves takes place with the help of stomata. (d) Cockroaches breathe with the help of air tubes called tracheae.
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