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The Liquid Connective Tissue a Circulates in Our Body Continuously Without Stopping. this Tissue Contains a Pigment B Which Imparts It 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? (B) Name (I) D (Ii) E (Iii) F, and (Iv) G. (C) Name One Substance (Other than Oxygen) Which is Transported by Tissue a in the Human Body. (D) Which Two Components of Tissue a Are the Cells Without Nucleus? (E) Name Any Two Organisms ( Animals) Which Do Not Have Liquid like a in Their Body. - Science

The liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts it 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?
(b) Name (i) D (ii) E (iii) F, and (iv) G.
(c) Name one substance (other than oxygen) which is transported by tissue A in the human body.
(d) Which two components of tissue A are the cells without nucleus?
(e) Name any two organisms ( animals) which do not have liquid like A in their body.

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Solution

(a)
(i) Blood is the liquid connective tissue that circulates in our body continuously without stopping. Hence, A is blood.
(ii) & (iii) Our blood contains a pigment called haemoglobin, which imparts it a red colour. Hence, pigment B is haemoglobin and colour C is red.

(b)
(i) White blood cells, fight infection and protect us from diseases. Hence, D refers to white blood cells.
(ii) Platelets are the component of blood, which help in the clotting of blood (A). Hence, E refers to platelets.
(iii) Plasma is a liquid, which consists mainly of water with many substances dissolved in it. Hence, F refers to plasma.
(iv) Red blood cells carry oxygen from the lungs to all the parts of the body. Hence, G refers to red blood cells.

(c) Blood also carries the digested food from the small intestine to all other parts of the body.

(d) E (platelets) and G (Red blood cells) are the cells without nucleus.

(e) Amoeba and grasshopper do not have blood (A) like liquid in their body.

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APPEARS IN

Lakhmir Singh Class 10 Biology (Science)
Chapter 1 Life Processes
Q 97 | Page 76
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