NCERT Class 7 Science Chapter 11 Transportation in Animals and Plants Extra Questions and Answers
Class 7 Science Chapter 11 Extra Questions and Answers – Transportation in Animals and Plants. Here in this Page Class VII Students can Learn Extra Questions & Answer 11th Chapter Science fully Inside.
We Provided Here Transportation in Animals and Plants Science Chapter 11 Long Answer Type Question, Very Short Type Questions (VSA) / MCQ Type Questions, Short Type Questions (SA).
Class 7 Science Chapter 11 Extra Question with Answer – Transportation in Animals and Plants
Science Chapter 11 Transportation in Animals and Plants Class 7 Inside 5 Marks, 3 marks, 2 Marks & And 1 Marks Important Questions and Answers.
1) Fill in the blanks:
a) Fishes excrete cell waste as ___. (Ammonia)
b) Snakes excrete ___. (Uric acid)
c) ___blood cells contain hemoglobin. (Red)
d) The two lower chambers of the heart are called the ___. (Ventricles)
2) Multiple Choice Questions:
a) ___blood cells fight against germs?
a) Red b) White
Ans. b) White
b) The removal of waste products from the body is called ___?
a) Excretion b) Transpiration
Ans. a) Excretion
c) The wastes dissolved in water are removed as ___?
a) Urine b) Stool
Ans. a) Urine
d) ___ carry oxygen-rich blood from the heart to all the parts of the body?
a) Veins b) Arteries
Ans. b) Arteries
3) Answer the following questions:
a) What is hemoglobin? What is the function of hemoglobin?
Ans. Blood is red due to the presence of a red pigment, called hemoglobin.
The function of hemoglobin- it binds with oxygen and transports it to all the parts of the body and ultimately to all the cells.
b) What are platelets? What is pulse rate?
Ans. The blood clot is formed because of the presence of another type of cells in the blood, called platelets.
The number of beats per minute is called pulse rate.
c) What are the atria and ventricles?
Ans. The two upper chambers of the heart are called the atria.
The two lower chambers of the heart are called the ventricles.
In case you are missed :- Previous Chapter Extra Questions
d) What is excretion? Which body parts are involved in excretory system?
Ans. The removal of waste products from the body is called excretion.
The body parts that involved in excretory system are Kidneys, urinary bladder, ureters and urethra.
e) What is transpiration? What are the functions of transpiration?
Ans. The water evaporates through the stomata present on the surface of the leaves by the process of transpiration.
The functions of transpiration are plant releases a lot of water by the process of transpiration and it also cools the plant.
4) Match structures given in column I with the information given in column II:
|
Column I |
Column II |
| a) Veins | 1) Transport of water and nutrients |
| b) Urine | 2) A group of cells |
| c) Xylem | 3) Carry carbon dioxide-rich blood |
| d) Tissue | 4) Absorption of water |
| e) Root hair
product |
5) Consists of 95% water, 2.5% urea and 2.5% other waste
|
Ans. a)-3), b)-5), c)-1), d)-2), e)-4)
5) Mark your answer as per the codes provide below:
a) A: Waste products start accumulating in the blood.
R: Kidney failure due to infection or injury.
I.) Both A and R are true and R is the correct explanation of A.
II.) Both A and R are true but R is not the correct explanation of A.
III.) A is true but R is false.
IV.) A is false but R is true.
V.) Both A and R are false.
Ans. I. Both A and R are true and R is the correct explanation of A.
b) A: White patches are formed on our clothes in summer.
R: These mark are left by salts present in the sweat.
I.) Both A and R are true and R is the correct explanation of A.
II.) Both A and R are true but R is not the correct explanation of A.
III.) A is true but R is false.
IV.) A is false but R is true.
V.) Both A and R are false.
Ans. I. Both A and R are true and R is the correct explanation of A.
6) The xylem forms a continuous network of channels that connects roots to the leaves through the stem and branches and thus transports water to the entire plant. You know that leaves synthesize food. The food has to be transported to all parts of the plant. This is done by the vascular tissue called the phloem. Thus, xylem and phloem transport substances in plant.
a) The food is transported to all parts of the plant by ____. (Phloem)
b) ____ and ____ transport substances in plant. (Xylem and phloem)
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