Entry Test MCQ :: Gaseous Exchange

@ : Home > Biology > Gaseous Exchange

11.

Number of spiracles present in the thorax of cockroach is

A.	2	B.	3
C.	5	D.	4

12.

When abdomen expands, the number of spiracles open is

A.	2	B.	3
C.	6	D.	8

13.

The blood enters the _____ side of heart

A.	Posterior	B.	Anterior
C.	Lateral	D.	All possible

14.

Gaseous exchange through the skin is known as ______ respiration.

A.	Cuticular	B.	Cutaneous
C.	Skin	D.	Pulmonary

15.

Parabronchi are open at ______ end/s

A.	Single	B.	Both
C.	Do not have opening	D.	None of these

16.

In most birds air sacs are _____ in number

A.	10	B.	3
C.	4	D.	9

17.

Vocal cords are stretched across

A.	Larynx	B.	Pharynx
C.	Golttis	D.	None of these

18.

Functional units of lungs are called

A.	Alveoli	B.	Air sacs
C.	Parabronchi	D.	None of these

19.

Lungs are spongy due to the presence of million of

A.	Air sacs	B.	Alveoli
C.	Bronchioles	D.	Parabronchi

20.

Lungs are covered with double layered thin membranous sac called

A.	Disphragm	B.	Pleura
C.	Pericardium	D.	Rib cage