Question # 1

No. of bronchi in the air passage way are:

Choose an answer

1

2

3

4

In which of the following disease, the patient has usually lost 50% to 70% of his/her lung tissue when symptoms appears?

Choose an answer

Pneumonia

Asthma

Emphy sema

Bronchitis

The length of trachea is:

Choose an answer

10 cm

12 cm

22 cm

20 cm

The primary chemical stimulus for breathing is the concentration of.

Choose an answer

Carbon dioxide in blood.

Oxygen in blood

Carbon oxide in muscles

Oxygen in muscles.

Cutting of walls of Alveoli called:

Choose an answer

Pneumonia

Emphysema

Bronchtis

Asthama

Percentage of CO₂ in exhaled are during breathing is:

Choose an answer

16%

4%

79%

0.04%

It is also called sound box:

Choose an answer

trachea

larynx

pharynx

bronchus

In man the system of gaseous exchange is:

Choose an answer

digestive system

respiratory system

nervous system

excretory system

In first stem of glycolysis glucose molecules breaks ans divide into two _______ molecules

Choose an answer

Citric acid

Lactic acid

Pyruvic acid

Formic acid

Which kind of blood vessels are present around the alveoli?

Choose an answer

Artery

Capillary

Arteriole

Veins

How many lobs are present in right lung?

Choose an answer

2

3

4

5

The respiratory centre is present in :

Choose an answer

Lungs

Brain

Nose

Muscles

When the "World no tobacco day" is celebrated?

Choose an answer

30 June

31 June

11 January

None of these

More Classes

Other Links

Biology 10th Class English Medium Chapter 1 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer