Question

Fill in the blanks:

1. The _________ Sound is produced ly closure of bicuspid and tricuspid valve.


2. The causative agent of measles is-------------------.


3. The wall of capillaries is formed of a single layer of _________ cells


4. In food chain, there is a transfer of __________ and __________.


5. ____________ is a straw –coloured fluid part of the blood.


6. _________ tissue help in transportation of organic materials, water, and minerals.


7. Except xylem ___________ all other xylem elements are dead.


8. Structural and functional unit of biosphere is_______.


9. __________ is wave of contraction transmitted along the arteries.


10. The pH of blood is _________.​

Answer 1

Answer:

1-lub

2-virus

3-endothelial cell

4-next trophic level

5-plasma

6-xylem

7-xylem parenchyma

8-The eco system

9-The pulse

10- 7.35 to 7.45