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RESPIRATION TRANSPIRATION AND THE ENVIRONMENT

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RESPIRATION AND THE ENVIRONMENT

1. The act or process of breathing in plants and animals is known as ____ Respiration.
2. In animals it is the ______ inhaling of oxygen and the _______exhaling of carbon dioxide.
3. In Plants, it is the process by which cells use oxygen to break down sugar and obtain ______ energy.
4. Thus, in transpiration plants take in ______ carbon dioxide during the day and send out ______oxygen while animals take in _____ oxygen and send out
   _______ carbon dioxide. 
5. During the night plants take in ____________ oxygen and send out _______ carbon dioxide. 

IMPORTANCE OF RESPIRATION TO PLANTS

1. The carbon dioxide breathed out by animals is important to plants. It is used to manufacture plant food in the process of__________  photosynthesis.
2. During the day plants take in carbon dioxide and send out oxygen which refreshes the __________. atmosphere.
3. Photosynthesis and respiration are the two essential processes that _______ allow life to sustain on earth. 

TRANSPIRATION

1. TRANSPIRATION is the process through which plants lose water to the surrounding atmosphere in the form of__________. water vapor 
2. This water escapes through tiny holes on the leaves called________  stomata.
3. The importance of transpiration to plants are_________
4. It helps to ___________ the plant. cool
5. It helps to remove___________  from the plant.  excess water
6. The transpiration pull helps to absorb _____________ dissolved in water from the soil.  minerals
7. 4. Some factors affecting transpiration are   ____________
8. The ______ of the atmosphere. humidity
9. The number of _____________ present on the leaves. stomata 
10. The ________________  of the environment.  temperature
11. The amount of soil_____ water.
12. The  __________  of the wind. speed
13. Plants control the rate of transpiration by _______Leaf folding, Leaf shedding, Leaf dropping, and by Water storage organs.
14. An example of plants that fold up their leaves during hot weather to reduce the rate of transpiration is ________ groundnuts (Peanuts)
15. An example of plants that shed their leaves to reduce the rate of water loss is the ______ pear tree.
16. An example of plants that drop their leaves during hot weather to reduce the rate of water loss is ______ sweet potatoes
17. Some plants develop water storage organs. That is, thick leaves and thick bark to fight _______ Transpiration  

IMPORTANCE OF TRANSPIRATION TO MAN AND HIS ENVIRONMENT

1. Water evaporates from plants into the atmosphere and forms tiny droplets of water called clouds which later become heavy and fall back as ___ rain.
2. Rain waters our_________  crops
3. It provides us with ___________ if well collected. drinking water
4. We use water to cook our________  food
5. Rainwater sinks into the ground and later comes out as ________ which is good for drinking. springs

Read our e-book on General Knowledge Revision.

 

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