ontin mental Science Exam 3 Student Number Student\'s Name questions, deal with
ID: 271487 • Letter: O
Question
ontin mental Science Exam 3 Student Number Student's Name questions, deal with food production in plants. Answer the s called questions in the space provided. an illustration of a tap root. What is the function of the small o A. On the right is A. hairs that branch off the main root? the B. On the left is a photograph showing a magnified cross section of a root. What function does the xylem play in the life of a plant? On the right is a photograph of a magnified stomata, where are stomata found on leaves and what role do they play in the life of a plant? ose 15, Answer the questions about the ollowing processes in the space provided. You only need to indicate a process by its number. For each question, list as many processes as apply. asm Process I: 6C0, + 6H,o CH,O,+60, Process 2: CHO+ 60, 6H,0+6cO, +energy Process 3: C,HOenergy+HCHCOOH Process 4: C.H202HOH cell. A. Glucose is broken down and energy is released in which processíes)? B. Oxygen is not required for the release of energy in which process(es)? C. Which two processes are found in plants? D. Which two processes are found in animals? ies (over) 133 re)Explanation / Answer
14. A) The small root hairs on the root increase the surface area available for the absorption of water and nutrients.
B) Once the water and nutrients are absorbed the xylem helps in transportation of the same to the stem leaves and other parts.
C) Stomata is present more in the lower surface of leaves. Stomata facilitates the exchange of gases during photosynthesis and respiration.
15. A) In processes 2, 3 and 4 glucose is broken down to release energy.
B) Oxygen is not required for processes 3 and 4. In the equation, oxygen is not requred but released in process 1 as well.
C) Processes 1 and 2 are found in plants. They are photosynthesis and aerobic respiration respectively.
D) Process 2 and 3 in found in animals. They are aerobic respiration and lactic acid fermentation respectively. In bacteria and yeast, 4 which is alcoholic fermentation is also found.
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