SUBEJCTIVE QUESTIONS
FILL IN THE BLANKS :
(i) .......... is the flow of water molecules from the region of
higher water potential to the region of lower water potential through a
semipermeable membrane.
(ii)The osmotic entry of water into a cell is called ......
(iii) Other name for blood platelets is .....
(iv)The process of production of erythrocytes is known as ..........
(v) Heart is protected by a covering known as ......VERY SHORT ANSWER TYPE QUESTIONS
- Explain the importance of transportation.
- Distinguish between diffusion and osmosis.
- How does blood clot?
LONG ANSWER TYPE QUESTIONS
- Explain the composition of blood. Also give functions of all it’s
components.
- Explain various components of xylem and phloem.
- Comment upon :
(i) Translocation in plants (ii) Xylem
(iii) Phloem (iv) Excretion in plants- What is clotting of blood’? Write a flow chart showing major events