Question

Dav school class 7 chapter Transportation of plant and animal solution​

Answer 1

Answer:

Ques 1: What will happen if the xylem tissue gets damaged in a branch of a tree?

Ans 1: If xylem tissue gets damaged then important substances like water and minerals will not be transported. Xylem is responsible for the transportation of water and minerals in a plant. The plant will not be able to survive if the tissue gets damaged.

Ques 2: Define Transpiration

Ans: The loss of water from the plants in the form of vapours is known as transpiration. The excess water evaporates and is released in the air.

 

Ques 3: Name three types of blood vessels

Ans 3: Three types of blood vessels are Capillaries, Arteries, and Veins

 

Ques 4: State any two functions of the blood.

Ans 4: Blood helps in the transport of oxygen to the tissues

It also helps in the transportation of nutrients like glucose, amino acids and other substances to different parts of the body.

 

Ques 5: Define the term Pulse Rate

Ans 5:  Pulse rate denotes the number of beats taken by our heart in a minute. On average, the human heart beats 60 to 100 times per minute.

Explanation: