| 1 |
What type of blood vessels surrounds the alveoli? |
Artery
Arteriole
Capillary
Vein
|
| 2 |
The primary chemical stimulus for breathing is the concentration of. |
Carbon dioxide in blood.
Oxygen in blood
Carbon oxide in muscles
Oxygen in muscles.
|
| 3 |
Which structure actively helps in taking the air out of lungs? |
Nasal cavity
Bronchus
Bronchiole
Diaphragm
|
| 4 |
Where does the gaseous exchange occur in humans? |
Pharynx
Trachea
Bronchi
Alveoli
|
| 5 |
How many bronchi are there in the air passageway? |
One
Two
Many
None of these
|
| 6 |
Most of the gaseous exchange in a leaf occurs through. |
Stomata
General surface
Cuticle
lenticels
|
| 7 |
The process of gaseous exchange involves. |
Break down of C-H bounds to yield energy.
Physical movements that take air ain and our of body
Getting oxygen from the air and removing carbon dioxide
Transport of oxygen by the blood to different parts of the body.
|
| 8 |
Medicine can help you to feel: |
Best
Better
Stronger
Weak
|
| 9 |
Sir Alexander Fleming was discovered: |
Antibiotics
Analgesic
Penicillin
Antiseptics
|
| 10 |
What is true about vaccines? |
protect against the future viral and bacterial infections
Treat the existing bacterial infections only
Treat existing infections and also protect against infections
Protect against viral infection only
|
| 11 |
Sulfonamides affect bacteria in the following way; |
break the cell wall
inhibit protein synthesis
Stop the synthesis of new cell wall
Stop the Synthesis of folic acid
|
| 12 |
Which of these addictive drugs are also used as painkillers? |
Narcotics
Sedatives
Hallucinogens
All can be used
|
.gif)
Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
