Question

B 7) To which phylum does Cockroach belong? Justify your answer with scientific reasons. 8) Observe the diagram and answer the following questions : a) Name the following method of solid waste management. Methane Soil Proce Gas b) What type of waste Garbage cover on se is used in this method? c) What kind of useful substances well to monitor around can be obtained from ​

Answer 1

Answer:

B 7) To which phylum does Cockroach belong? Justify your answer with scientific reasons.

(1) Cockroach belongs to the phylum Arthropoda and class Insecta.

(2) Scientific reasons for placement of Cockroach in the phylum Arthropoda

(a) The body is covered by chitinous exoskeleton.

(b) Jointed appendages present, three Pairs of walking legs and two pairs of membranous wings.

(c) Body is eucoelomate, triploblastic, bilaterally segmented and segmented.

(d) Respiration by spiracles and tracheal tubes.

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