Read the paragraph and fill the blanks with the correct option sequence-The blood vascular system of a cockroach is of Blood is colourless due to the absence of iii - The heart is iv and works in coordination with alary muscles for contractions and dilations-

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Byju's Answer

Standard XII

Biology

Blood Vascular System of Cockroach

Read the para...

Question

Read the paragraph and fill the blanks with the correct option sequence:

The blood vascular system of a cockroach is of _(i)_ type, as blood flows in the body cavities. The generalised body cavity is called (ii). Blood is colourless due to the absence of (iii). The heart is (iv) and works in coordination with alary muscles for contractions and dilations.

(i) Open (ii) Haemocoel (iii) Hemoglobin (iv) 12 chambered

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(i) Open (ii) Haemocoel (iii) Porphyrin (iv) 13 chambered

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(i) Open (ii) Blastocoel (iii)Hemoglobin (iv) 12 chambered

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(i) Open (ii) Haemocoel (iii) Hemoglobin (iv) 13 chambered

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Solution

The correct option is D
(i) Open (ii) Haemocoel (iii) Hemoglobin (iv) 13 chambered

Blood vascular system of cockroach is of Open type, as blood flows in the body cavities.The generalised body cavity is called Haemocoel. Blood is colourless due to the absence of haemoglobin. The Heart is 13 chambered and works in coordination with alary muscles for contractions and dilations.

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