Question

Give reason.
(a) Transpiration is necessary for plants.
(b) It is necessary to excrete waste products.
(c) Blood is needed by all parts of the body.​

Answer 1

1) Transpiration is important because :-

♥ It helps in absorption and upward movement of water and minerals from roots to leaves .

♥ It prevents the plant parts from heating up .

2) It is necessary to excrete waste products because it harms our body . It contains undigested particles in human body . If waste products are not excreted it becomes a slow poision in human body .

3) Blood brings oxygen and nutrients to

all the parts of the body so they can

keep working . Blood carries carbon

dioxide and other waste materials to the

lungs, kidneys, and digestive system to

be removed from the body . Blood also

fights infections and carries hormones

around the body .

Answer 2

Answer:

Transpiration is important because

a) It helps in absorption and upward movement of water and minerals from roots to leaves.

b) It prevents the plant parts from heating up.