MEDIUM
7th CBSE
IMPORTANT
Earn 100

Differentiate between arteries, veins and capillaries on the basis of wall type, valves, function and blood flow.

Important Questions on Transportation of Substances

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 10 - Transportation of Substances>EXERCISE>Q G
How are new blood cells produced and how are the damaged red blood cells removed from the body?
MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 10 - Transportation of Substances>EXERCISE>Q G
Blood transfusion is the process of replacing blood lost during an injury or a surgery. From which of the blood vessels is blood drawn during blood transfusion? Why?
MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 10 - Transportation of Substances>EXERCISE>Q G
Why do we urinate more frequently in winter than in summer?
HARD
7th CBSE
IMPORTANT
Science Now 7>Chapter 10 - Transportation of Substances>EXERCISE>Q H
Identify and label the different blood cells in the diagram given below.
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MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 10 - Transportation of Substances>EXERCISE>Q I
From which part of the plant are latex, resins and gums obtained? How are they useful to the plants?
MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 10 - Transportation of Substances>WORKSHEET

Label the diagram of the human heart given below.

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