Ch-10 One Word Questions

Respiration in Organisms

One Mark Questions without Answer
1.All organisms are made of small microscopic units called ______?
2.To perform the functions such as nutrition, transport, excretion and reproduction Each cell of an organism require _____?
3.Breakdown of food releases _____.
4. Which organism can survive in the absence of air (oxygen)?
5.Yeasts are ___________ organisms.
6.Which part of human body resort to aerobic respiration?
7. We take in air through our _______.
8.Where Lungs are present in our body?
9.Which is surrounded by Chest Cavity?
10.A large,muscular sheet called ______ forms the floor of the chest cavity.
11. Breathing involves the movement of the ______ and the _______.
12.________ damages lungs. ________ is also linked to cancer. ______ must be avoided.
13.Cockroach breathe with using small openings on the sides of its body. These openings are called _____.
14.Insects have a network of air tubes called _______ for gas exchange.
15.These air tubes or tracheae are found only in ______ and not in any other group of animals.
16.Earthworms breathe through their _______.
17. These air tubes or tracheae are found only in ______ and not in any other group of animals.
18. Earthworms breathe through their _______.
19. In the cells, what helps in the breakdown of food.
20.Those organisms which are able to survive in the absence of air (oxygen) are called ______.
21.The accumulation of what causes muscle cramps.
22.We cannot survive for long without _______.
23.During inhalation, ribs ________and outwards and diaphragm _______.
24.During exhalation, ribs, __________while diaphragm _________to its former position.
25.We exhile with a mixture of gases with ______ carbonoxide
26.We inhale a mixture of gases with _____carbonoxide
27.We inhale a mixture of gases with _____Oxygen.
28.We exhale a mixture of gases with ______ Oxygen.
29. _____ in fish help them to use oxygen dissolved in water.
30. On an average, an adult human being at rest breathes in and out _______ times in a minute.