Fill in the Blanks :-
1. Carbon dioxide is used by _____________ to make their food.
2. Fermentation occurs in the _____________ of oxygen.
3. All living organisms use _____________ to perform life functions.
4. During respirations _____________ is taken in and _____________ is given out.
5. The first phase of respiration is known as _____________.
6. The nasal cavity leads into the _____________.
7. Air enters the nose through the ____________.
8. Aerobic respiration takes place in the presence of _____________.
9. ___________ is the most useful respiratory material.
10. Tiny air sacs of lungs are called ____________.
_______________________________
True or False :-
1. Respiration is faster than combustion.
2. Larynx produces sound.
3. Earthworms respire through the moist skin.
4. Exchange of gases takes place in the alveoli of lungs.
5. Exhaled air contains more oxygen than the inhaled air.
Answers
Answer:
1) Plants
4) oxygen, carbon dioxide
Answer ::
★Fill in the Blanks :-
1. Carbon dioxide is used by plants to make their food.
2. Fermentation occurs in the absence of oxygen.
3. All living organisms use energy to perform life functions.
4. During respirations oxygen is taken in and carbon dioxide is given out.
5. The first phase of respiration is known as glycolysis.
6. The nasal cavity leads into the nostrils.
7. Air enters the nose through the nostrils.
8. Aerobic respiration takes place in the presence of oxygen.
9. Glucose is the most useful respiratory material.
10. Tiny air sacs of lungs are called alveoli.
★True or False :-
1. Respiration is faster than combustion.
Answer) False
Reason: Combustion is faster than respiration.
2. Larynx produces sound.
Answer) True
3. Earthworms respire through the moist skin.
Answer) True
4. Exchange of gases takes place in the alveoli of lungs.
Answer) True
5. Exhaled air contains more oxygen than the inhaled air.
Answer) False
Reason: Inhaled air contains more oxygen than the exhaled air.