Question # 1

The respiratory system is most efficient in ______

Choose an answer

Man

Bird

Fish

Snake

How much air can lungs when they are fully inflated

Choose an answer

5 liters

4 liters

3.5 liters

4.5 liters

More than ten compounds of tar of tobacco smoke are included in causing.

Choose an answer

Cancer

Asthma

Emphysema

Tuberculosis

All are made up of cartilage except

Choose an answer

Trachea

Bronchiole

Larynx

Bronchi

In birds the organ of voice is called.

Choose an answer

Vocal card

Larynx

Syrinx

Parabronchi

Emphysema is the breakdown of

Choose an answer

Trachea

Bronchi

Alveoli

Bronchioles

Why hemoglobin is 98% saturated, the oxygen content per 100 ml of blood is.

Choose an answer

19.6 ml

18.6 ml

17.6 ml

16.6 ml

Emphesema is breakdown of

Choose an answer

Muscles

Capillaries

Alveoli

None of these

How many molecule of oxygen can bind with a molecule of myoglobin.

Choose an answer

4

3

1

2

Lungs are covered by double layered thin membranous sacs called.

Choose an answer

Pleura

Larynx

Air sacs

Diaphragm

The normally human blood absorbs the amount of oxygen at sea level is about

Choose an answer

200 ml/100 ml of blood

20 ml/100 ml of blood

19.6 ml/100 ml of blood

02 ml/100 ml of blood

Rubisco is the most abundant protein in

Choose an answer

Golgi bodies

Chloroplast

Nucleoli

Mitochondria

Most elaborate and efficient respiratory system is present in.

Choose an answer

Man

Fish

Bird

Fing

A liter of H2O contains ml of oxygen.

Choose an answer

10

20

30

40

Respiratory distress syndrome is common in

Choose an answer

Adults

Old age people

Prelature infants

All new borns

Lungs of birds have thin walled ducts called.

Choose an answer

Alveoli

Trachea

Bronchi

Parabronchi

Parabronchi are present in

Choose an answer

Man

Cat

Birds

Frog

Number of air sacs in birds is

Choose an answer

6

7

8

9

More Classes

Other Links

Biology Fsc Part 1 Chapter 13 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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer