NCERT Solutions for Class 7 Science Chapter 11

Transportation in Animals and Plants Class 7

Chapter 11 Transportation in Animals and Plants Exercise Solutions

<< Previous Chapter 10 : Respiration in Organisms Next Chapter 12 : Reproduction in Plants >>

Exercise : Solutions of Questions on Page Number : 131

Q1 :  

Match structures given in Column I with functions given in Column II.

Column I

Column II

(i)

Stomata

(a)

Absorption of water

(ii)

Xylem

(b)

Transpiration

(iii)

Root hairs

(c)

Transport of food

(iv)

Phloem

(d)

Transport of water

(e)

Synthesis of carbohydrates


Answer :

Column I

Column II

(i)

Stomata

(b)

Transpiration

(ii)

Xylem

(d)

Transport of water

(iii)

Root hairs

(a)

Absorption of water

(iv)

Phloem

(c)

Transport of food

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Q2 :  

Fill in the blanks.

(i) The blood from the heart is transported to all parts of the body by the______.

(ii) Haemoglobin is present in ______ cells.

(iii) Arteries and veins are joined by a network of ______.

(iv) The rhythmic expansion and contraction of the heart is called ___ _ _.

(v) The main excretory product in human beings is ______.

(vi) Sweat contains water and ______.

(vii) Kidneys eliminate the waste materials in the liquid form called ______.

(viii) Water reaches great heights in the trees because of suction pull caused by ______.


Answer :

(i) The blood from the heart is transported to all parts of the body by the _arteries__.

(ii) Haemoglobin is present in __red blood__ cells.

(iii) Arteries and veins are joined by a network of __capillaries__.

(iv) The rhythmic expansion and contraction of the heart is called __heart beat__.

(v) The main excretory product in human beings is __urea__.

(vi) Sweat contains water and __salts__.

(vii) Kidneys eliminate the waste materials in the liquid form called __urine__.

(viii) Water reaches great heights in the trees because of suction pull caused by __transpiration__.

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Q3 :  

Choose the correct option:

(a) In plants, water is transported through

(i) xylem

(ii) phloem

(iii) stomata

(iv) root hair

(b) Water absorption through roots can be increased by keeping the plants

(i) in the shade

(ii) in dim light

  1. under the fan

  1. covered with a polythene bag


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Q4 :  

Why is transport of materials necessary in a plant or in an animal? Explain.


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Q5 :  

What will happen if there are no platelets in the blood?


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Q6 :  

What are stomata? Give two functions of stomata.


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Q7 :  

Does transpiration serve any useful function in the plants? Explain.


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Q8 :  

What are the components of blood?


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Q9 :  

Why is blood needed by all the parts of a body?


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Q10 :  

What makes the blood look red?


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Q11 :  

Describe the function of the heart.


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Q12 :  

Why is it necessary to excrete waste products?


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Q13 :  

Draw a diagram of the human excretory system and label the various parts.


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<< Previous Chapter 10 : Respiration in Organisms Next Chapter 12 : Reproduction in Plants >>

Science : CBSE NCERT Exercise Solutions for Class 7th for Transportation in Animals and Plants will be available online in PDF book form soon. The solutions are absolutely Free. Soon you will be able to download the solutions.

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