NCERT Solutions Class 7 Science Chapter 11 Transportation in Animals and Plants – Here are all the NCERT solutions for Class 7 Science Chapter 11. This solution contains questions, answers, images, explanations of the complete chapter 11 titled Transportation in Animals and Plants of Science taught in class 7. If you are a student of class 7 who is using NCERT Textbook to study Science, then you must come across chapter 11 Transportation in Animals and Plants. After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 7 Science Chapter 11 Transportation in Animals and Plants in one place.
NCERT Solutions Class 7 Science Chapter 11 Transportation in Animals and Plants
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For a better understanding of this chapter, you should also see summary of Chapter 11 Transportation in Animals and Plants , Science, Class 7.
| Class | 7 |
| Subject | Science |
| Book | Science |
| Chapter Number | 11 |
| Chapter Name |
Transportation in Animals and Plants |
NCERT Solutions Class 7 Science chapter 11 Transportation in Animals and Plants
Class 7, Science chapter 11, Transportation in Animals and Plants solutions are given below in PDF format. You can view them online or download PDF file for future use.
Transportation in Animals and Plants
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Question & Answer
Q.1: 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 _______________.
Ans : (i) The blood from the heart is transported to all parts of the body by the arteries. (ii) Haemoglobin is present in red bloodcells. (iii) Arteries and veins are joined by a network of capillaries. (iv) The rhythmic expansion and contraction of the heart is called heartbeat. (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.
Q.2: 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
iii. under the fan
iii. covered with a polythene bag
Ans : (a) (i) xylem (b) (iii) under the fan
Q.3: Why is transport of materials necessary in a plant or in an animal? Explain.
Ans : Transport of materials is necessary in both plants and animals as every cell needs a regular supply of nutrients and oxygen for releasing energy through respiration. The food that we eat is broken down into smaller components to be absorbed by the cells. The oxygen that we inhale is also transported to all the cells of the body. Our body also requires a constant removal of waste materials such as carbon dioxide. For the transport of all these materials (food, oxygen, and wastes), our body has a specialised transport system. Similarly, in plants, the transport of water and food is accomplished with the help of a complex transport system.
Q.4: What will happen if there are no platelets in the blood?
Ans : If there are no platelets in the blood, then the blood would not be able to clot. A clot is formed because of platelets. They release blood clotting chemicals at the site of injury. These chemicals form a clot and prevent further bleeding.
Q.5: What are stomata? Give two functions of stomata.
Ans : Stomata are tiny pores present on the surface of a leaf. Functions of stomata: (a) Stomata help in the exchange of gases. (b) Evaporation of water from the leaf surface occurs through stomata.
Functions of stomata
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