The liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts a colour C. The tissue A consists of four components D, E, F and G. The component D fights infection and protects us from diseases. The component E helps in the clotting of tissue A if a person gets a cut. The component F is a liquid which consists mainly of water with many substances dissolved in it and component G carries oxygen from the lungs to all the parts of the body.
(a) What is (i) tissue A (ii) pigment B, and (iii) colour C?

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Solution

(i) Tissue A is blood
Blood is a fluid connective tissue that circulates in the body without stopping.
(ii) Pigment B is haemoglobin
Haemoglobin is a red pigment found in the RBC of blood.
(iii) Colour C is red
The pigment haemoglobin imparts red colour to the blood.

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Q. The liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts a colour C. The tissue A consists of four components D, E, F and G. The component D fights infection and protects us from diseases. The component E helps in the clotting of tissue A if a person gets a cut. The component F is a liquid which consists mainly of water with many substances dissolved in it and component G carries oxygen from the lungs to all the parts of the body.
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Blood/Plasma

Standard XII Biology

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(i) Tissue A is blood Blood is a fluid connective tissue that circulates in the body without stopping. (ii) Pigment B is haemoglobin Haemoglobin is a red pigment found in the RBC of blood. (iii) Colour C is red The pigment haemoglobin imparts red colour to the blood.

(i) Tissue A is blood
Blood is a fluid connective tissue that circulates in the body without stopping.
(ii) Pigment B is haemoglobin
Haemoglobin is a red pigment found in the RBC of blood.
(iii) Colour C is red
The pigment haemoglobin imparts red colour to the blood.