Breathing And Exchange

Question 1

Utilisation of O2 fpr breakdoen of glucose , amino acids to produce ATP (energy) is known as…..

Answer 1

Cellular respiration
Respiration is a physico chemical process

Question 2

Earthworm use …… as their respiratory organ

Answer 2

Moist cuticle ( cutaneous respiration)

Question 3

Aquatics arthropods and fishes respire through……

Answer 3

Gills ( Branchial respiration)

Question 4

Sponges coelentrates flatworms respire though……

Answer 4

Simple diffusion

Question 5

Insects like cockroach have respiratory organ …..

Answer 5

Tracheal system (network tubes)

Question 6

Tadpole has ……and frog has ……. as a respieatory organ

Answer 6

Gills
Moist skin lungs buccal cavity
Lungs( pulmonary respiration)

Question 7

Limulus (king crab ) respire through ….

Answer 7

Book gilss

Question 8

Archnids (spiders and scopion ) respire through ….

Answer 8

Book lungs

Question 9

……is the common passage for both food and air

Answer 9

Pharynx

Question 10

…..is. also known as voice box and has vocal chord

Answer 10

Larynx

Question 11

…..prevents entry of food into glottis and larynx

Answer 11

Epiglottis ( elastic cartilage)

Question 12

Larynx is made up ____ no. Of cartilage

Answer 12

9 [ 3 unpaired = thyroid ,cricoid , Arytenoid and 3 paired= Corniculate , cuneiform and epiglottis

Question 13

All the cartilagenous rings are incomplete…..

Answer 13

Dorsally

Question 14

At the level of ……thoracic vertebrae trachea divides into primary bronchi

Answer 14

5th thoracic vertebrae

Question 15

C shaped rings are present upto …..

Answer 15

Initial bronchioles and -nt from terminal bronchioles

Question 16

Conducting zone includes

Answer 16

External mostrils ……terminal bronchiole

Question 17

Respiratory / exchange zone include

Answer 17

Alveoli and alveolar ducts

Question 18

…..is the primary site of exchange of gases

Answer 18

Alveoli( highly vascularised)

Question 19

Difdusion of gases occur through ….layers

Answer 19

3 layers ..[2 cellular and 1 non cellular k/a basement substance ]

Question 20

Lungs are covered with double membrane know as

Answer 20

Pleura
Parietal = towards thoracic chamber
Visceral = towards lung
Pleural fliud is present in between to reduce friction and shock absorption

Question 21

Left lung has a ……for heart placement

Answer 21

Cardiac notch

Question 22

Thoracic chamber is made up of …..

Answer 22

Sternum [ ventrally]
Ribs [laterally]
Vertebral column[dorsally]
Diaphragm[ below ]
Lung is situated

Question 23

……muscles are used for forceful brething

Answer 23

Internal intercoastal muscles , abdominal muscles

Question 24

…….instruments is used for measure the lung capacites and volumns

Answer 24

Spirometer

Question 25

Location of Respiratory rhythm centre

Answer 25

Medulla region of hind brain

Question 26

Location of pneumotaxic centre

Answer 26

Pons

Question 27

The walls pf alveoli are damaged due to excessive smoking is disorder known as

Answer 27

Emphysema

Question 28

Swelling in bronchi and bronchioles are symptoms of

Answer 28

Asthama

Question 29

.....ml of oxygenated blood is delivered to tissue under normal physiological condition

Answer 29

5 ml

Question 30

The partial predsure of o2 and CO2 in the alveoli are

Answer 30

104 and 40