| 1 |
A substance that speed up the chemical reactions is called. |
Solute
Solvent
Solution
Catalyst
|
| 2 |
One gram of glucose produce abut.............. calories of energy . |
3600
3700
3800
3900
|
| 3 |
Which gas reacts with food to convert it into carbon dioxide and water. |
Oxygen
Nitrogen
Phosphorus
Argon
|
| 4 |
The ... prevents food from entering the trachea. |
Glottis
Epiglottis
Bronchi
Alveoli
|
| 5 |
The opening of air passage in the laryanx is called. |
Trachea
Bronchi
Glottis
Alveoli
|
| 6 |
Which of the following plays an important role in blood clotting. |
Red blood cells
White blood cell
Platelets
Bone cells
|
| 7 |
Exchange of material in the body tissues and blood takkes place in. |
Aorta
Ventricles
Capillaries
Veins
|
| 8 |
Products of anaerobc respiration in yeasts are .......... along with energy. |
Carbon dioxide and water
Ethanol and carbon dioxide
Oxygen and water
Lactic acid and water
|
| 9 |
Aerobic respiation takes place in. |
Mitochondria
Chloroplast
Nucleus
Blood vessels
|
| 10 |
Blood vessels that carry blood away from the heart are |
Capillaries
Veins
Arteries
Vanules
|
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